Re: Port channel keep going down

There is process for this to avoid problems. Get it all configured, then
light it up.

HTH
Gary
----- Original Message -----
From: "Ananfack, Jeremie N" <jeremie_n_ananfack_at_fanniemae.com>
To: "Cisco certification" <ccielab_at_groupstudy.com>
Sent: Friday, July 17, 2009 7:48 PM
Subject: Port channel keep going down

> Hello,
>
> Going through IEWB Configuring L2 etherchannel with PagP for dynamic
> negotiation.
> SW1 should initiate negotiation and SW2 should respond.
>
> The port-channel comes up and stay up for a minute or two, then go down.
> The ports on SW1 will go into err-disable mode.
>
> Please help.
>
> SW1
> interface FastEthernet0/13
> switchport mode dynamic desirable
> channel-group 12 mode desirable
> !
> interface FastEthernet0/14
> switchport mode dynamic desirable
> channel-group 12 mode desirable
> !
> interface FastEthernet0/15
> switchport mode dynamic desirable
> channel-group 12 mode desirable
> ======================
>
> SW2
> interface FastEthernet0/13
> channel-group 12 mode auto
> !
> interface FastEthernet0/14
> channel-group 12 mode auto
> !
> interface FastEthernet0/15
> channel-group 12 mode auto
>
>
> =========================================
> SW1 Output
> Fa0/13 err-disabled 1 auto auto
> 10/100BaseTX
> Fa0/14 err-disabled 1 auto auto
> 10/100BaseTX
> Fa0/15 err-disabled 1 auto auto
> 10/100BaseTX
>
>
> SW2 Output
> Fa0/13 notconnect 1 auto auto
> 10/100BaseTX
> Fa0/14 notconnect 1 auto auto
> 10/100BaseTX
> Fa0/15 notconnect 1 auto auto
> 10/100BaseTX
>
>
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Received on Fri Jul 17 2009 - 20:54:29 ART