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<P><FONT SIZE=2>On 1/28/10 1:01 PM, "Eric Helm" <helmwork@ruraltel.net> wrote:<BR>
<BR>
><BR>
><BR>
> On 1/28/2010 1:55 PM, Randy McAnally wrote:<BR>
><BR>
>><BR>
>> I'm trying to configure a LACP port-channel between Cisco 6509 and Foundry<BR>
>> FESX.<BR>
>><BR>
>> Cisco config:<BR>
>><BR>
>> interface Port-channel1<BR>
>> switchport<BR>
>> switchport trunk encapsulation dot1q<BR>
>> switchport trunk allowed vlan 2,28<BR>
>> switchport mode trunk<BR>
>> no ip address<BR>
>> !<BR>
>> interface GigabitEthernet1/5<BR>
>> switchport<BR>
>> switchport trunk encapsulation dot1q<BR>
>> switchport trunk allowed vlan 2,28<BR>
>> switchport mode trunk<BR>
>> no ip address<BR>
>> channel-protocol lacp<BR>
>> channel-group 1 mode active<BR>
>> !<BR>
>> interface GigabitEthernet1/6<BR>
>> switchport<BR>
>> switchport trunk encapsulation dot1q<BR>
>> switchport trunk allowed vlan 2,28<BR>
>> switchport mode trunk<BR>
>> no ip address<BR>
>> channel-protocol lacp<BR>
>> channel-group 1 mode active<BR>
>> !<BR>
>><BR>
>> Foundry config (trunk config only, I omitted vlan config for the purpose of<BR>
>> this email):<BR>
>><BR>
>> trunk ethe 1 to 2<BR>
>> trunk deploy<BR>
>><BR>
>> After everything is seemingly up and running on the Foundry side (trunk<BR>
>> active), I notice some intermittent connectivity, along with Arp traffic<BR>
>> looping back from the Cisco. So I check the Cisco and po1 is 'down', no<BR>
>> trunk...<BR>
>><BR>
>> #sh int po1<BR>
>> Port-channel1 is down, line protocol is down (notconnect)<BR>
>> Hardware is EtherChannel, address is 0013.6067.899a (bia 0013.6067.899a)<BR>
>> MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,<BR>
>> <--snip--><BR>
>><BR>
>> I hope I'm just missing something really stupid on the Cisco side...because<BR>
>> there isn't much else to configure on the Foundry!<BR>
>><BR>
>> Thanks in advance.<BR>
>><BR>
>> --<BR>
>> Randy<BR>
>><BR>
><BR>
> You have Dynamic (LACP) configured on the Cisco side and Static trunk<BR>
> configured on the Foundry side. You should configure LACP on the Foundry<BR>
> as well. Do not use the "trunk ethe 1 to 2" command to configure LACP:<BR>
><BR>
> int eth 1 to 2<BR>
> link-aggregate passive<BR>
><BR>
><BR>
> /Eric<BR>
> _______________________________________________<BR>
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> foundry-nsp@puck.nether.net<BR>
> <A HREF="http://puck.nether.net/mailman/listinfo/foundry-nsp">http://puck.nether.net/mailman/listinfo/foundry-nsp</A><BR>
<BR>
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