From: badger (badger@pongo.org)
Date: Wed Jul 23 2003 - 17:24:16 GMT-3
Hello Joe,
Wednesday, July 23, 2003, 11:52:08 AM, you wrote:
JM> Sorry, disregard that last mail. I misread the Comm Ref. It appears you
JM> have it configured as recommaned when connecting to a 1900 series switch.
JM> -----Original Message-----
JM> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
JM> pierreg
JM> Sent: July 23, 2003 12:26 PM
JM> To: ccielab@groupstudy.com
JM> Subject: Link flapping PagP 3550 and 1912 frozen
JM> A- Situation: I am using a 3550 and a 1912 to do PAgp.
JM> B- The problem: flapping links on the 3550, frozen 1912
JM> (1) Cat3550#
JM> 09:43:40: PAgP: Fa0/1 is coming Up
JM> 09:43:40: PAgP: Fa0/2 is coming Up
JM> 09:43:42: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to up
JM> 09:43:42: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to up
JM> Cat3550#
JM> 09:43:43: PAgP - Fa0/1 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> 09:43:43: PAgP - Fa0/2 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> 09:43:44: PAgP - Fa0/1 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> 09:43:44: PAgP - Fa0/2 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> 09:43:45: PAgP - Fa0/1 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> Cat3550#
JM> 09:43:45: PAgP - Fa0/2 failed - not my device_id. 0000.0000.0000
JM> 000a.8aac.b100
JM> 09:43:48: PAgP: Fa0/1 action_a7 is entered
JM> 09:43:48: PAgP: Fa0/2 action_a7 is entered
JM> 09:43:49: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1,
JM> changed
JM> state to up
JM> 09:43:49: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2,
JM> changed
JM> state to up
JM> 09:43:50: %LINK-3-UPDOWN: Interface Port-channel13, changed state to up
JM> 09:43:51: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel13,
JM> changed
JM> state to up
JM> 9:44:18: PAgP: Fa0/1 is going Down
JM> 09:44:18: PAgP: Fa0/1 action_a1 is entered
JM> 09:44:18: PAgP: Fa0/2 is going Down
JM> 09:44:18: PAgP: Fa0/2 action_a1 is entered
JM> 09:44:19: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1,
JM> changed
JM> state to down
JM> 09:44:19: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/2,
JM> changed
JM> state to down
JM> 09:44:19: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel13,
JM> changed
JM> state to down
JM> 09:44:20: %LINK-3-UPDOWN: Interface FastEthernet0/1, changed state to down
JM> 09:44:20: %LINK-3-UPDOWN: Interface FastEthernet0/2, changed state to down
JM> (2) As soon as the pagp negotiation starts, the 1912 is unaccessible and
JM> the only way to get to it is to shut down the port on the 3550. When this is
JM> done the switch is still unaccessible for another 30 seconds.
JM> C- The configurations
JM> ======================
JM> The 3550
JM> ======================
JM> ............
JM> !
JM> interface Port-channel13
JM> switchport access vlan 13
JM> switchport mode access
JM> no ip address
JM> !
JM> interface FastEthernet0/1
JM> switchport access vlan 13
JM> switchport mode access
JM> no ip address
JM> shutdown
JM> duplex full
JM> speed 100
JM> pagp learn-method physical-port
JM> channel-group 13 mode auto
JM> !
JM> interface FastEthernet0/2
JM> switchport access vlan 13
JM> switchport mode access
JM> no ip address
JM> shutdown
JM> duplex full
JM> speed 100
JM> pagp learn-method physical-port
JM> channel-group 13 mode auto
JM> !
JM> ..................
JM> ---------------
JM> The 1912
JM> -------------------
JM> Cat1912#sh run
JM> Building configuration...
JM> Current configuration:
JM> !
JM> !
JM> port-channel preserve-order
JM> port-channel mode desirable
JM> ............
JM> interface FastEthernet 0/26
JM> duplex full
JM> !
JM> !
JM> vlan-membership static 13
JM> !
JM> interface FastEthernet 0/27
JM> duplex full
JM> !
JM> !
JM> vlan-membership static 13
JM> !
JM> line console
JM> -
JM> Any suggestions?
JM> Pierre-Alex
JM> =========================
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JM> _______________________________________________________________________
JM> You are subscribed to the GroupStudy.com CCIE R&S Discussion Group.
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I have a 2924 that needs the "channel group" under the interface on
both channeled ports, is the 1900 the same?
-- Best regards, badger mailto:badger@pongo.org
This archive was generated by hypermail 2.1.4 : Wed Aug 06 2003 - 06:52:50 GMT-3