From: Kenneth Wygand (KWygand@customonline.com)
Date: Thu Jul 22 2004 - 15:37:58 GMT-3
BGP will, by default summarize all redistributed networks to their major
classful address. "No auto-summary" (under the BGP process) will keep
the masks of redistributed routes at their original length.
This is the general behavior for all inter-protocol redistribution. It
is the configuration ("auto-summary" or "no auto-summary") on the
protocol you are redistributing -INTO- that determines this behavior for
a particular set of routes.
HTH,
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
Network+, A+
Custom Computer Specialists, Inc.
"The only unattainable goal is the one not attempted."
-Anonymous
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
chwarren@cox.net
Sent: Thursday, July 22, 2004 2:10 PM
To: gary_braver@yahoo.com; ccielab@groupstudy.com
Subject: Re: redis EIGRP with VLSM
what does "no auto-summary" under bgp give you?
Chuck
From: gary_braver@yahoo.com
Date: 2004/07/22 Thu PM 01:47:07 EDT
To: ccielab@groupstudy.com
Subject: redis EIGRP with VLSM
not sure if this was posted.
redistributing eigrp into bgp for a 10.92.0.0 255.255.0.0 network.
downstream bgp neighbor shows a network of
10.0.0.0/8 in the table. I have no /8 networks. What am I doing wrong?
router eigrp 92
network 10.92.0.0 0.0.255.255
no auto-summary
!
router bgp 65104
no synchronization
network 10.92.0.1 mask 255.255.255.255
network 10.92.0.0 mask 255.255.0.0
network 10.255.254.92 mask 255.255.255.252
redistribute eigrp 92 metric 50
neighbor 10.255.254.93 remote-as 65100
neighbor at 10.255.254.93
part of routing table
Gateway of last resort is not set
10.0.0.0/8 is variably subnetted, 13 subnets, 4 masks
B 10.0.0.0/8 [20/0] via 10.255.254.94, 00:38:27
B 10.91.0.1/32 [20/0] via 10.255.254.90, 00:48:55
know the redistribution is there because have tried
redistribute eigrp 92 route-map BASIC
with Basic
match ... pointing to access-list with permite 10.92.0.0 255.255.0.0
answers much apprecitated
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