RE: Problem with IRB

From: Earl Aboytes (earl@xxxxxxxxxxxx)
Date: Mon Jun 19 2000 - 01:25:33 GMT-3


   
Here is the problem with the config as I see it.
Keeping in mind that a router will only bridge what it is not routing

R5
Routing: Appletalk, IPX, IP.
Bridging: DecNet, Banyan, Apollo Domain.
R2
Routing: Appletalk, IP
Bridging: IPX, DecNet, Banyan, Apollo Domain
R3
Routing: Appletalk, IP, IPX
Bridging: IPX, DecNet, Banyan, Apollo Domain

The problem is with R5. He is not bridging IPX. You cannot have a bridged
interface understand a routed interface. Turn on IRB in R5. Things should
work out for you. Either that or turn off IPX routing on R5.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Earl Aboytes
Senior Technical Conultant
GTE Managed Solutions
805-381-8817
earl.aboytes@telops.gte.com
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of Goh,
Winston
Sent: Friday, June 16, 2000 4:05 AM
To: ccielab@groupstudy.com
Subject: Problem with IRB

Hi,
i am trying to get IRB to work. Here is the scenario :
r5(ether0)-----(ether0)r2(serial0)------(serial1)r3

What i am trying to do :
Disable ipx on r2, but r5 ethernet and r3 is configure with ipx. This
scenario in fact is similar to what we have in bootcamp 8b. but i just can't
ping any ipx networks from r5 to r3. Can someone give me an advice ? Below
is my config :

r3:
interface Serial1
 ip address 132.10.32.1 255.255.255.0
 no logging event subif-link-status
 appletalk cable-range 302-302 302.3
 appletalk zone r3r2serial
 bridge-group

interface BVI1
 no ip address
 no logging event subif-link-status
 ipx network 3005

bridge irb
bridge 1 protocol ieee
 bridge 1 route appletalk
 bridge 1 route ip
 bridge 1 route ipx
 no bridge 1 bridge appletalk
 no bridge 1 bridge ip

r2:
interface Ethernet0
 ip address 132.10.25.1 255.255.255.0
 appletalk cable-range 205-205 205.2
 appletalk zone ether
 bridge-group 1
!
interface Serial0
 ip address 132.10.32.2 255.255.255.0
 appletalk cable-range 302-302 302.2
 appletalk zone r3r2serial
 no fair-queue
 clockrate 2000000
 bridge-group 1

r5:

interface Ethernet0
 backup delay 10 10
 backup interface BRI0
 ip address 132.10.25.5 255.255.255.0
 appletalk cable-range 205-205 205.5
 appletalk zone ether
 ipx network 3005
 bridge-group 1

Winston Goh
CCNP, CVE
Snr Network Specialist
Unisys Singapore
mobile : 97469192



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