RE: Port channel keep going down

While configuring keep both sides shut then bring them up when done.

-----Mensaje original-----
De: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] En nombre de
Ananfack, Jeremie N
Enviado el: Viernes, 17 de Julio de 2009 14:49
Para: Cisco certification
Asunto: 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 - 15:00:54 ART