by Gary » Sun, 25 Nov 2001 11:20:19
What seems to be happening is that customers at the end of leased lines seem
to loose their way to their machine until I shut down the non border router
or put it into a different subnet.
Gary
by Gary » Sun, 25 Nov 2001 12:13:11
I removed the statement for ip route for /19 which sent everyting to the bit
bucket Null0 and everything now works fine ????
I do not understand why the route statement for the /19 works fine on the
border but gives the internal one a problem ?
regards
Gary
Quote:> If you ahve two routers in the same AS connected by a couple of switches
> (backbone) and both router run EIGRP and one which is a border router runs
> BGP can both of the routers have IP in the same subnet.
> What seems to be happening is that customers at the end of leased lines
seem
> to loose their way to their machine until I shut down the non border
router
> or put it into a different subnet.
> Gary
1. EIGRP and External EIGRP questions
My guess is that you have not configured the interfaces on the various
boxes with the link bandwidths (using the "bandwidth" command), so all
of the links are set to the (identical) default.
Date: Wed, 18 Oct 1995 14:16:50 -0700
Hi,
We have a question on eigrp and route redistribution and metrics.
We have a 4 node backbone that form a ring as follows
a -> b 1.344Mbps
b -> c 1.024Mbps
c -> d 256Kbps
d -> a 256Kbps
(Speeds are set this way because we have Muxes and peel off channels
for other uses within the T1's that connect all this.)
All routers see EIGRP routes from networks directly
connected to routers fine.
Routes that are redistributed in to EIGRP from
RIP show up as External EIGRP and this appears
to be correct.
Problem:
External routes which are two hops appear to be
coming from two directions with equal cost and metric.
Example:
Router c sees the following which are connected to
router a:
D EX 158.184.0.0 [170/11026100] via 192.28.117.1, 01:05:06, Serial1/0
[170/11026100] via 192.28.118.2, 01:05:06, Serial1/1
Since the path from c ->b -> a is faster (1020 & 1334)
than c -> d -> a (256 & 256), why are the the costs and
metrics the same ??????
Network 137.249.0.0 is router "a" and is same distance from
router "c" but route back via c ->b -> a is correct:
D 137.249.0.0 [90/3549440] via 192.28.117.1, 01:05:06, Serial1/0
What are we missing ???
We have a
router eigrp 200
redistribute rip (RIP in to EIGRP)
network 192.28.117.0 (Network b -> c)
network 192.28.118.0 (Network c -> d)
default-metric 256 2100 255 100 1500
router rip
network 158.183.0.0 (All non-backbone serial links are in this subnet)
All routers are configured the same but different of course for
their own differences. We use 4 class-c networks to connect
routers in backbone.
Thanks,
Bill Lewandowski
Loral WDL
San Jose CA
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