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

[John Gill]

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.

Regards,
John Gill
cisco


On 7/27/11 4:28 PM, mb at adv.gcomm.com.au wrote:
> Hi,
>
>
> Have an active portchan that currently has one 100Mb port - Trying to
> add second port, I am getting the following in the logs:
>
>
> Jul 27 22:17:44.744 GMT+10: %EC-5-CANNOT_BUNDLE2: Fa0/20 is not
> compatible with Fa0/21 and will be suspended (trunk mode of Fa0/20 is
> trunk, Fa0/21 is dynamic)
>
>
>
> Both Fa0/20 + Fa0/21 are configured the same(20 currently shutdown):
>
>
> interface FastEthernet0/20
> description trunk 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
> shutdown
> mls qos trust dscp
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
>
>
> interface FastEthernet0/21
> description FEC_TO_ESW02_P2
> 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
> mls qos trust dscp
> no cdp enable
> channel-group 2 mode on
> spanning-tree bpdufilter enable
> spanning-tree guard root
>
>
>
> And switchports are not reporting as "dynamic":
>
>
> #sh int fastEthernet 0/20 switchport Name: Fa0/20
> Switchport: Enabled
> Administrative Mode: trunk
> Operational Mode: down (suspended member of bundle Po2)
> Administrative Trunking Encapsulation: dot1q
> Negotiation of Trunking: Off
> Access Mode VLAN: 1 (default)
> Trunking Native Mode VLAN: 1 (default)
> Voice VLAN: none
>
>
> #sh int fastEthernet 0/21 switchport Name: Fa0/21
> Switchport: Enabled
> Administrative Mode: trunk
> Operational Mode: trunk (member of bundle Po2)
> 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
>
>
> The switch causing the problems is C2950G-24-EI - Is this a known
> bug...any suggestions on work-around?
>
>
> Thanks in advance.
>
>
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