Sunday, June 19, 2011

The Impact of the NX-OS 'spanng port type edge default' Global Configuration Command upon vPC

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 consistency-parameters global

    Legend:
        Type 1 : vPC will be suspended in case of mismatch

Name                        Type  Local Value            Peer Value
-------------               ----  ---------------------- -----------------------
QoS                         1     ([], [3], [], [], [],  ([], [3], [], [], [],
                                  [])                    [])
Network QoS (MTU)           1     (1538, 2240, 0, 0, 0,  (1538, 2240, 0, 0, 0,
                                  0)                     0)
Network Qos (Pause)         1     (F, T, F, F, F, F)     (F, T, F, F, F, F)
Input Queuing (Bandwidth)   1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Input Queuing (Absolute     1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
Output Queuing (Bandwidth)  1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Output Queuing (Absolute    1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
STP Mode                    1     Rapid-PVST             Rapid-PVST
STP Disabled                1     None                   None
STP MST Region Name         1     ""                     ""
STP MST Region Revision     1     0                      0
STP MST Region Instance to  1
 VLAN Mapping
STP Loopguard               1     Disabled               Disabled
STP Bridge Assurance        1     Enabled                Enabled
STP Port Type, Edge         1     Normal, Disabled,      Normal, Disabled,
BPDUFilter, Edge BPDUGuard        Disabled               Disabled
STP MST Simulate PVST       1     Enabled                Enabled
Allowed VLANs               -     10                     10
Local suspended VLANs       -     -                      -
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 vpc consistency-parameters global

    Legend:
        Type 1 : vPC will be suspended in case of mismatch

Name                        Type  Local Value            Peer Value
-------------               ----  ---------------------- -----------------------
QoS                         1     ([], [3], [], [], [],  ([], [3], [], [], [],
                                  [])                    [])
Network QoS (MTU)           1     (1538, 2240, 0, 0, 0,  (1538, 2240, 0, 0, 0,
                                  0)                     0)
Network Qos (Pause)         1     (F, T, F, F, F, F)     (F, T, F, F, F, F)
Input Queuing (Bandwidth)   1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Input Queuing (Absolute     1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
Output Queuing (Bandwidth)  1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Output Queuing (Absolute    1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
STP Mode                    1     Rapid-PVST             Rapid-PVST
STP Disabled                1     None                   None
STP MST Region Name         1     ""                     ""
STP MST Region Revision     1     0                      0
STP MST Region Instance to  1
 VLAN Mapping
STP Loopguard               1     Disabled               Disabled
STP Bridge Assurance        1     Enabled                Enabled
STP Port Type, Edge         1     Normal, Disabled,      Normal, Disabled,
BPDUFilter, Edge BPDUGuard        Disabled               Disabled
STP MST Simulate PVST       1     Enabled                Enabled
Allowed VLANs               -     10                     10
Local suspended VLANs       -     -                      -
N5K-02#
================================================================================
N5K-01# conf t
Enter configuration commands, one per line.  End with CNTL/Z.
N5K-01(config)# spanning-tree ?
  bridge     Spanning tree bridge options
  loopguard  Spanning tree loopguard options
  mode       Spanning Tree operating mode
  mst        Multiple spanning tree configuration
  pathcost   Spanning tree pathcost options
  port       Spanning tree port options
  vlan       VLAN Switch Spanning Trees

N5K-01(config)# spanning-tree port ?
  type  Specify a port type for spanning tree protocol use

N5K-01(config)# spanning-tree port type ?
  edge     Consider the interface as edge port (enable portfast)
  network  Consider the interface as inter-switch link

N5K-01(config)# spanning-tree port type edge ?
  bpdufilter  Enable edge port (portfast) bpdu filter on this switch
  bpduguard   Enable edge port (portfast) bpdu guard on this switch
  default     Select edge port type by default on all access ports

N5K-01(config)# spanning-tree port type edge default
Warning: this command enables edge port type (portfast) by default on all interfaces. You
 should now disable edge port type (portfast) explicitly on switched ports leading to hubs,
 switches and bridges as they may create temporary bridging loops.
N5K-01(config)#
N5K-01(config)# 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: failed
Configuration consistency reason: vPC type-1 configuration incompatible - STP global port type inconsistent
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     failed      Global compat check failed -

N5K-01(config)#
N5K-01(config)# sh vpc consistency-parameters global

    Legend:
        Type 1 : vPC will be suspended in case of mismatch

Name                        Type  Local Value            Peer Value
-------------               ----  ---------------------- -----------------------
QoS                         1     ([], [3], [], [], [],  ([], [3], [], [], [],
                                  [])                    [])
Network QoS (MTU)           1     (1538, 2240, 0, 0, 0,  (1538, 2240, 0, 0, 0,
                                  0)                     0)
Network Qos (Pause)         1     (F, T, F, F, F, F)     (F, T, F, F, F, F)
Input Queuing (Bandwidth)   1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Input Queuing (Absolute     1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
Output Queuing (Bandwidth)  1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Output Queuing (Absolute    1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
STP Mode                    1     Rapid-PVST             Rapid-PVST
STP Disabled                1     None                   None
STP MST Region Name         1     ""                     ""
STP MST Region Revision     1     0                      0
STP MST Region Instance to  1
 VLAN Mapping
STP Loopguard               1     Disabled               Disabled
STP Bridge Assurance        1     Enabled                Enabled
STP Port Type, Edge         1     Edge, Disabled,        Normal, Disabled,
BPDUFilter, Edge BPDUGuard        Disabled               Disabled
STP MST Simulate PVST       1     Enabled                Enabled
Allowed VLANs               -     10                     10
Local suspended VLANs       -     10                     -
N5K-01(config)#
================================================================================
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: failed
Configuration consistency reason: vPC type-1 configuration incompatible - STP global port type inconsistent
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     -

vPC status
----------------------------------------------------------------------------
id     Port        Status Consistency Reason                     Active vlans
------ ----------- ------ ----------- -------------------------- -----------
1      Po1         up     failed      Global compat check failed -

N5K-02#
N5K-02# sh vpc consistency-parameters global

    Legend:
        Type 1 : vPC will be suspended in case of mismatch

Name                        Type  Local Value            Peer Value
-------------               ----  ---------------------- -----------------------
QoS                         1     ([], [3], [], [], [],  ([], [3], [], [], [],
                                  [])                    [])
Network QoS (MTU)           1     (1538, 2240, 0, 0, 0,  (1538, 2240, 0, 0, 0,
                                  0)                     0)
Network Qos (Pause)         1     (F, T, F, F, F, F)     (F, T, F, F, F, F)
Input Queuing (Bandwidth)   1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Input Queuing (Absolute     1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
Output Queuing (Bandwidth)  1     (50, 50, 0, 0, 0, 0)   (50, 50, 0, 0, 0, 0)
Output Queuing (Absolute    1     (F, F, F, F, F, F)     (F, F, F, F, F, F)
Priority)
STP Mode                    1     Rapid-PVST             Rapid-PVST
STP Disabled                1     None                   None
STP MST Region Name         1     ""                     ""
STP MST Region Revision     1     0                      0
STP MST Region Instance to  1
 VLAN Mapping
STP Loopguard               1     Disabled               Disabled
STP Bridge Assurance        1     Enabled                Enabled
STP Port Type, Edge         1     Normal, Disabled,      Edge, Disabled,
BPDUFilter, Edge BPDUGuard        Disabled               Disabled
STP MST Simulate PVST       1     Enabled                Enabled
Allowed VLANs               -     10                     10
Local suspended VLANs       -     10                     -
N5K-02#


N5K-01(config)# no spanning-tree port type edge default
N5K-01(config)#
N5K-01(config)# 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(config)#

Be careful when working on N7K. :-)
n7010# sh module 1
Mod  Ports  Module-Type                      Model              Status
---  -----  -------------------------------- ------------------ ------------
1    48     1000 Mbps Optical Ethernet Modul N7K-M148GS-11      ok

Mod  Sw              Hw
---  --------------  ------
1    4.2(6)          1.2


Mod  MAC-Address(es)                         Serial-Num
---  --------------------------------------  ----------
1    c8-4c-75-99-28-0c to c8-4c-75-99-28-40  JAF1423AMQC

Mod  Online Diag Status
---  ------------------
1    Pass

Chassis Ejector Support: Enabled
Ejector Status:
Top ejector CLOSE, Bottom ejector CLOSE, Module HW does support ejector based shutdown.
n7010#
n7010# conf t
Enter configuration commands, one per line.  End with CNTL/Z.
n7010(config)# int e1/1
n7010(config-if)# spanning-tree port type edge ?
*** No matching command found in current mode, matching in (config) mode ***
  bpdufilter  Enable edge port (portfast) bpdu filter on this switch
  bpduguard   Enable edge port (portfast) bpdu guard on this switch
  default     Select edge port type by default on all access ports

n7010(config-if)# spanning-tree port type edge default ?
*** No matching command found in current mode, matching in (config) mode ***
  <cr>

n7010(config-if)#

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