From: David Deng (glend_99@yahoo.com)
Date: Fri Jan 23 2004 - 03:05:36 GMT-3
I am able to ping the 191.10.1.1 from r2 and r5
without missing any ping, I guess my FR cloud is ok,
but what type of problem that I might run into ?
Thanks,
ED
--- "Edwards, Andrew M" <andrew.m.edwards@boeing.com>
wrote:
> David,
>
> As far as I can see from what you have provided here
> there is not a
> loop. It looks like you have equal cost paths in
> OSPF from r5/r6 to the
> next hop in BGP to network 191.10.1.1. The trace
> you are seeing is
> correct for load-balancing in OSPF. I think that
> the timeouts are
> related to something else on the simulation network.
>
>
> Are you having any other issues in the 'frame
> cloud'?
>
> Andy
>
> -----Original Message-----
> From: David Deng [mailto:glend_99@yahoo.com]
> Sent: Wednesday, January 21, 2004 10:51 PM
> To: ccielab@groupstudy.com
> Subject: prevent loop on ospf link
>
>
> Hi Group,
>
> Have diffuculty on preventing the loop.
> Please help, let me know if any information is
> missing.
>
>
> 136.10.56..x
> SWa---r5 -----|
> | |------r2------r1---191.10.1.1
> SWb---r6 -----|
>
>
> --------------------------------------
> swa and swb have trunk link in betwwen
> r5 directly connect to SWa vlan 56 in area 3
> r6 directly connect to SWb vlan 56 in area 3
> link between r2 to r5/r6 is FR multipoint in Area 0
> ---------------------------------------------
>
> on Swa :
>
> ping 191.10.1.1 will have missed some of the ping .
> 3550-A#trace
> 191.10.1.1
>
> Type escape sequence to abort.
> Tracing the route to 191.10.1.1
>
> 1 136.10.56.5 4 msec
> 136.10.56.6 0 msec
> 136.10.56.5 0 msec
> 2 *
> 136.10.100.2 104 msec *
> 3 136.10.12.1 108 msec * 104 msec
>
>
> SW-A#sh ip route 191.10.1.1
> Routing entry for 191.10.1.0/24
> Known via "bgp 65251", distance 200, metric 0
> Tag 100, type internal
> Last update from 136.10.2.2 00:30:29 ago
> Routing Descriptor Blocks:
> * 136.10.2.2, from 136.10.2.2, 00:30:29 ago
> Route metric is 0, traffic share count is 1
> AS Hops 1
>
> SW-A#sh ip route 136.10.2.2
> Routing entry for 136.10.2.2/32
> Known via "ospf 100", distance 110, metric 66,
> type
> inter area
> Last update from 136.10.56.6 on Vlan56, 00:20:56
> ago
> Routing Descriptor Blocks:
> 136.10.56.5, from 136.10.5.5, 00:20:56 ago, via
> Vlan56
> Route metric is 66, traffic share count is 1
> * 136.10.56.6, from 136.10.6.6, 00:20:56 ago, via
> Vlan56
> Route metric is 66, traffic share count is 1
>
> SW-A#
>
>
> Thanks,
> David
>
>
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This archive was generated by hypermail 2.1.4 : Mon Feb 02 2004 - 09:07:49 GMT-3