N5K-01-config
hostname N5K-01 feature interface-vlan feature lacp feature vpc vlan 10 name Management_VLAN vlan 88 name vPC-Peer-Keepalive_VLAN vpc domain 1 role priority 100 peer-keepalive destination 1.1.1.2 source 1.1.1.1 vrf default int vlan 10 desc *** Management IP *** ip add 192.168.1.11 255.255.255.0 no shutdown int vlan 88 description *** vPC Peer Keepalive *** ip address 1.1.1.1/30 no shutdown interface port-channel1 desc *** C2960G Po1 *** switchport mode trunk vpc 1 switchport trunk allowed vlan 10 interface port-channel10 description *** vPC Peer Link *** switchport mode trunk vpc peer-link switchport trunk allowed vlan 10 spanning-tree port type network interface Ethernet1/1 desc *** C2960G Gi0/1 *** speed 1000 switchport mode trunk switchport trunk allowed vlan 10 channel-group 1 mode active interface Ethernet1/5 desc *** N5K-02 Eth1/5 *** switchport mode trunk switchport trunk allowed vlan 10 spanning-tree port type network channel-group 10 mode active interface Ethernet1/6 desc *** N5K-02 Eth1/6 *** switchport mode trunk switchport trunk allowed vlan 10 spanning-tree port type network channel-group 10 mode active interface Ethernet1/7 desc *** N5K-02 Eth1/7 *** switchport access vlan 88 interface Ethernet1/8 speed 1000 switchport mode access switchport access vlan 10 spanning-tree port type edge
N5K-02-config
hostname N5K-02 feature interface-vlan feature lacp feature vpc vlan 10 name Management_VLAN vlan 88 name vPC-Peer-Keepalive_VLAN vpc domain 1 role priority 110 peer-keepalive destination 1.1.1.1 source 1.1.1.2 vrf default int vlan 10 desc *** Management IP *** ip add 192.168.1.12 255.255.255.0 no shutdown int vlan 88 description *** vPC Peer Keepalive *** ip address 1.1.1.2/30 no shutdown interface port-channel1 desc *** C2960G Po1 *** switchport mode trunk vpc 1 switchport trunk allowed vlan 10 interface port-channel10 description *** vPC Peer Link *** switchport mode trunk vpc peer-link switchport trunk allowed vlan 10 spanning-tree port type network interface Ethernet1/1 desc *** C2960G Gi0/2 *** speed 1000 switchport mode trunk switchport trunk allowed vlan 10 channel-group 1 mode active interface Ethernet1/5 desc *** N5K-01 Eth1/5 *** switchport mode trunk switchport trunk allowed vlan 10 spanning-tree port type network channel-group 10 mode active interface Ethernet1/6 desc *** N5K-01 Eth1/6 *** switchport mode trunk switchport trunk allowed vlan 10 spanning-tree port type network channel-group 10 mode active interface Ethernet1/7 desc *** N5K-01 Eth1/7 *** switchport access vlan 88 interface Ethernet1/8 speed 1000 switchport mode access switchport access vlan 10 spanning-tree port type edge
Scenario 0 - Normal Operation
N5K-01# sh cdp neighbors Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge S - Switch, H - Host, I - IGMP, r - Repeater, V - VoIP-Phone, D - Remotely-Managed-Device, s - Supports-STP-Dispute Device-ID Local Intrfce Hldtme Capability Platform Port ID C2960G Eth1/1 166 S I WS-C2960G-24T Gig0/1 N5K-02(SSI1429041X) Eth1/5 144 S I s N5K-C5010P-BF Eth1/5 N5K-02(SSI1429041X) Eth1/6 142 S I s N5K-C5010P-BF Eth1/6 N5K-02(SSI1429041X) Eth1/7 165 S I s N5K-C5010P-BF Eth1/7 N5K-01# N5K-01# sh run vpc !Command: show running-config vpc !Time: Wed Jun 15 05:54:42 2011 version 4.2(1)N2(1) feature vpc vpc domain 1 role priority 100 peer-keepalive destination 1.1.1.2 source 1.1.1.1 vrf default interface port-channel1 vpc 1 interface port-channel10 vpc peer-link N5K-01# N5K-01# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01# N5K-01# sh vpc role vPC Role status ---------------------------------------------------- vPC role : primary Dual Active Detection Status : 0 vPC system-mac : 00:23:04:ee:be:01 vPC system-priority : 32667 vPC local system-mac : 00:05:73:af:fe:7c vPC local role-priority : 100 N5K-01# N5K-01# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Po10 Desg FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01# N5K-01# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01# ================================================================================ N5K-02# sh cdp neighbors Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge S - Switch, H - Host, I - IGMP, r - Repeater, V - VoIP-Phone, D - Remotely-Managed-Device, s - Supports-STP-Dispute Device-ID Local Intrfce Hldtme Capability Platform Port ID C2960G Eth1/1 162 S I WS-C2960G-24T Gig0/2 N5K-01(SSI1429065H) Eth1/5 136 S I s N5K-C5010P-BF Eth1/5 N5K-01(SSI1429065H) Eth1/6 135 S I s N5K-C5010P-BF Eth1/6 N5K-01(SSI1429065H) Eth1/7 157 S I s N5K-C5010P-BF Eth1/7 N5K-02# N5K-02# sh run vpc !Command: show running-config vpc !Time: Wed Jun 15 05:58:45 2011 version 4.2(1)N2(1) feature vpc vpc domain 1 role priority 110 peer-keepalive destination 1.1.1.1 source 1.1.1.2 vrf default interface port-channel1 vpc 1 interface port-channel10 vpc peer-link N5K-02# N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh vpc role vPC Role status ---------------------------------------------------- vPC role : secondary Dual Active Detection Status : 0 vPC system-mac : 00:23:04:ee:be:01 vPC system-priority : 32667 vPC local system-mac : 00:05:73:af:fa:fc vPC local role-priority : 110 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 2 Port 4105 (port-channel10) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Po10 Root FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 – OK
Scenario 1 - N5K-01 E1/1 Down
N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int e1/1 N5K-01(config-if)# shut N5K-01(config-if)# end N5K-01# N5K-01# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 down* success success - N5K-01# N5K-01# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Po10 Desg FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01# N5K-01# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SD) Eth LACP Eth1/1(D) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 2 Port 4105 (port-channel10) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Po10 Root FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(D) Gi0/2(P) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 – OK
Scenario 2 - N5K-02 E1/1 Down
N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int e1/1 N5K-01(config-if)# no shut N5K-01(config-if)# end N5K-01# ================================================================================ N5K-02# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-02(config)# int e1/1 N5K-02(config-if)# shut N5K-02(config-if)# end N5K-02# ================================================================================ N5K-01# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01# N5K-01# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Po10 Desg FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01# N5K-01# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 down* success success - N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 2 Port 4105 (port-channel10) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po10 Root FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SD) Eth LACP Eth1/1(D) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(D) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 – OK
Scenario 3 - vPC Peer Link Down
N5K-02# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-02(config)# int e1/1 N5K-02(config-if)# no shut N5K-02(config-if)# end N5K-02# ================================================================================ N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int po10 N5K-01(config-if)# shut N5K-01(config-if)# end N5K-01# N5K-01# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 down - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01# N5K-01# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01# N5K-01# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SD) Eth LACP Eth1/5(D) Eth1/6(D) N5K-01# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 down - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 down failed Peer-link is down - N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 32778 Address 0005.73af.fafc This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SD) Eth LACP Eth1/1(D) 10 Po10(SD) Eth LACP Eth1/5(D) Eth1/6(D) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(D) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - FAIL PC1 (192.168.1.101) ping 192.168.1.102 – FAIL
Scenario 4 - vPC Peer Keepalive Link Down
N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int po10 N5K-01(config-if)# no shut N5K-01(config-if)# end N5K-01# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 - OK ================================================================================ N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int e1/7 N5K-01(config-if)# shut N5K-01(config-if)# end N5K-01# N5K-01# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is not alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01# N5K-01# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Po10 Desg FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01# N5K-01# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is not alive Configuration consistency status: success vPC role : secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 2 Port 4105 (port-channel10) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Po10 Root FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 – OK
Scenario 5 - Both vPC Peer Link and vPC Peer Keepalive Link Down + Try To Reestablish vPC using only the vPC Peer Link
N5K-01# conf t Enter configuration commands, one per line. End with CNTL/Z. N5K-01(config)# int po10 N5K-01(config-if)# shut N5K-01(config-if)# N5K-01(config-if)# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down vPC keep-alive status : Suspended (Destination IP not reachable) Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 down - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01(config-if)# N5K-01(config-if)# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01(config-if)# N5K-01(config-if)# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SD) Eth LACP Eth1/5(D) Eth1/6(D) N5K-01(config-if)# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down vPC keep-alive status : Suspended (Destination IP not reachable) Configuration consistency status: success vPC role : secondary, operational primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 down - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 32778 Address 0005.73af.fafc This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Desg FWD 1 128.4096 (vPC) P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SD) Eth LACP Eth1/5(D) Eth1/6(D) N5K-02# Note: C2960G does not receive any BPDU generated by N5K-02 upon Gi0/2. ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - FAIL PC1 (192.168.1.101) ping 192.168.1.102 - FAIL ================================================================================ N5K-01(config-if)# no shut N5K-01(config-if)# N5K-01(config-if)# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down (peer-keepalive not operational, peer never alive) vPC keep-alive status : Suspended (Destination IP not reachable) Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01(config-if)# N5K-01(config-if)# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01(config-if)# N5K-01(config-if)# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01(config-if)# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down (peer-keepalive not operational, peer never alive) vPC keep-alive status : Suspended (Destination IP not reachable) Configuration consistency status: success vPC role : secondary, operational primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 32778 Address 0005.73af.fafc This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Desg FWD 1 128.4096 (vPC) P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) C2960G# ================================================================================ N5K-01(config-if)# int e1/7 N5K-01(config-if)# no shut N5K-01(config-if)# N5K-01(config-if)# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer link is down (vPC peer is not reachable over cfs) vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up - vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01(config-if)# N5K-01(config-if)# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 32778 Address 0005.73af.fe7c This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Desg BLK 1 128.4096 (vPC) P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01(config-if)#
N5K-01(config-if)# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : primary, operational secondary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-01(config-if)# N5K-01(config-if)# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 2 Port 4105 (port-channel10) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fe7c Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Po10 Root FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-01(config-if)# N5K-01(config-if)# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-01(config-if)# ================================================================================ N5K-02# sh vpc Legend: (*) - local vPC is down, forwarding via vPC peer-link vPC domain id : 1 Peer status : peer adjacency formed ok vPC keep-alive status : peer is alive Configuration consistency status: success vPC role : secondary, operational primary Number of vPCs configured : 1 Peer Gateway : Disabled Dual-active excluded VLANs : - vPC Peer-link status --------------------------------------------------------------------- id Port Status Active vlans -- ---- ------ -------------------------------------------------- 1 Po10 up 10 vPC status ---------------------------------------------------------------------------- id Port Status Consistency Reason Active vlans ------ ----------- ------ ----------- -------------------------- ----------- 1 Po1 up success success 10 N5K-02# N5K-02# sh spanning-tree vlan 10 VLAN0010 Spanning tree enabled protocol rstp Root ID Priority 10 Address 0021.565e.e200 Cost 1 Port 4096 (port-channel1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 32778 (priority 32768 sys-id-ext 10) Address 0005.73af.fafc Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Interface Role Sts Cost Prio.Nbr Type ---------------- ---- --- --------- -------- -------------------------------- Po1 Root FWD 1 128.4096 (vPC) P2p Peer(STP) Po10 Desg FWD 1 128.4105 (vPC peer-link) Network P2p Eth1/8 Desg FWD 4 128.136 Edge P2p N5K-02# N5K-02# sh port-channel summary Flags: D - Down P - Up in port-channel (members) I - Individual H - Hot-standby (LACP only) s - Suspended r - Module-removed S - Switched R - Routed U - Up (port-channel) -------------------------------------------------------------------------------- Group Port- Type Protocol Member Ports Channel -------------------------------------------------------------------------------- 1 Po1(SU) Eth LACP Eth1/1(P) 10 Po10(SU) Eth LACP Eth1/5(P) Eth1/6(P) N5K-02# ================================================================================ C2960G#sh etherchannel summary Flags: D - down P - bundled in port-channel I - stand-alone s - suspended H - Hot-standby (LACP only) R - Layer3 S - Layer2 U - in use f - failed to allocate aggregator M - not in use, minimum links not met u - unsuitable for bundling w - waiting to be aggregated d - default port Number of channel-groups in use: 1 Number of aggregators: 1 Group Port-channel Protocol Ports ------+-------------+-----------+----------------------------------------------- 1 Po1(SU) LACP Gi0/1(P) Gi0/2(P) C2960G# ================================================================================ PC1 (192.168.1.101) ping 192.168.1.1 - OK PC1 (192.168.1.101) ping 192.168.1.11 - OK PC1 (192.168.1.101) ping 192.168.1.12 - OK PC1 (192.168.1.101) ping 192.168.1.102 – OK
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