port-channels and OSPF

From: Tito Basa (titobi@yahoo.com)
Date: Wed Jun 26 2002 - 23:42:40 EDT


Hi folks!

I've been simulating a port-channel
connection between a 7206VXR and Cat5505.
the 7206 is to talk iBGP and OSPF with a
7513 also thru the swith.

Problem is I can't run stable OSPF on the link
when one of the FEs got stuck or when I
"pull the plug" on one link.

my config:

interface Port-channel1
 description Link to Core Network
 ip address x.x.x.x x.x.x.x
 no ip directed-broadcast
 ip route-cache flow
 hold-queue 150 in
!
interface FastEthernet1/0
 description Link to Cat5505 Port 2/5
 no ip address
 no ip directed-broadcast
 full-duplex
 channel-group 1
!
interface FastEthernet1/1
 description Link to Cat5505 Port 2/6
 no ip address
 no ip directed-broadcast
 full-duplex
 channel-group 1
!

in my Cat5505 I have:

set port speed 2/5-6 100
set port duplex 2/5-6 full
set port channel 2/5-6 mode on

are there stability issues in running OSPF
over port-channel/fastetherchannels?
the channel link is still fine when one link fails but
OSPF goes down and so my iBGP goes down also.

how does OSPF treat port channel interfaces?
do I still need the bandwidth statement
(in my case two member FEs)?

if that's the case, i may have to use
a common FE link. Just have to do it
before I insert it online.

I have for the 7200:
c7200-k4p-mz.120-19.S.bin
for the Cat5505:
cat5000-sup3.5-5-6.bin

thanks in advance!

tito

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