[c-nsp] Active Portchannel - Adding new member fails

mb at adv.gcomm.com.au mb at adv.gcomm.com.au
Wed Jul 27 18:05:38 EDT 2011


Quoting John Gill <johgill at cisco.com>:

> Can you check the config on port-channel 2? perhaps there is 
> difference between port trunk config of 0/20 and the channel trunk 
> config.
>

Thanks for the response - Already just sent that info, but here it is again:

interface Port-channel2
description FEC_TO_ESW02_BNE
switchport trunk allowed vlan 1,11,12,14,30,35,68,99,100,103,104,106-108,112
switchport trunk allowed vlan add 113,115,120-123,129,132-136,138,156,158,160
switchport trunk allowed vlan add 206,289,311,312,340,345,377-396,398,399,402
switchport trunk allowed vlan add 422,444,472,473,475,478-488,492,493,497,498
switchport trunk allowed vlan add 500,546,590,591,700,801-806,808,809,811-815
switchport trunk allowed vlan add 865,866,868,869,957,970,973,974,978,987,1829
switchport trunk allowed vlan add 2501,2506,2516,2518-2525
switchport mode trunk
switchport nonegotiate

#sh interface port-channel 2 switchport Name: Po2
Switchport: Enabled
Administrative Mode: trunk
Operational Mode: trunk
Administrative Trunking Encapsulation: dot1q
Operational Trunking Encapsulation: dot1q
Negotiation of Trunking: Off
Access Mode VLAN: 1 (default)
Trunking Native Mode VLAN: 1 (default)
Voice VLAN: none


And as stated, the portchan is currently up and running with FA0/21

#sh int port-channel 2 Port-channel2 is up, line protocol is up (connected)
  Hardware is EtherChannel, address is 0017.5af5.6695 (bia 0017.5af5.6695)
  Description: FEC_TO_ESW02_BNE
  MTU 1530 bytes, BW 100000 Kbit, DLY 1000 usec,     reliability 
255/255, txload 87/255, rxload 116/255
  Encapsulation ARPA, loopback not set
  Full-duplex, 100Mb/s, media type is unknown media type
  input flow-control is off, output flow-control is off
  Members in this channel: Fa0/21  ARP type: ARPA, ARP Timeout 04:00:00
  Last input 00:00:00, output 09:28:14, output hang never
  Last clearing of "show interface" counters never
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
  Queueing strategy: fifo




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