Re: OSPF and Loopback intf.

From: Mark, Detrick (mdetrick@xxxxxxxxx)
Date: Wed Jun 16 1999 - 13:03:43 GMT-3


   
   Ben,
   
   I believe that secondary addresses will not form adjacencies.
   
   For example:
   Two routers connected together via e0 ports.
   
   RouterA, int e0, ip add 10.0.0.1 255.255.255.0
   RouterA, int e0, ip add 20.0.0.1 255.255.255.0 secondary
   
   RouterB, int e0, ip add 20.0.0.2 255.255.255.0
   
   Router A & B e0 will be up and up but will never form an OSPF
   adjacency.
   
   If this the situation? This is my recollection, correct me if I'm
   wrong.
   
   Mark Detrick
   DSL Business Unit
   Cisco Systems
   2569 McCabe Way
   Irvine, CA 92614
   
   ----- Original Message -----
   
   From: Ben Rife
   
   To: ccielab@groupstudy.com
   
   Sent: Tuesday, June 15, 1999 8:53 PM
   
   Subject: OSPF and Loopback intf.
   
   Hi guys,
   
   
   
       Can you tell me how I can announce my subnets which are secondary
   addresses on a loopback interface and have them show up in a
   neighboring router's table.
   
   
   
   lo0 s0 s1 s0
   
    RouterA==============RouterB===============RouterC
   
     OSPF 100 OSPF 100
   
   
   
   The RouterA lo0 intf has 4 different subnets attached, how can I get
   those routes injected into Router B's table as internal routes? Hope
   my question is clea. Thanks.
   
   
   
   The subnets are:
   
   
   
   172.16.1.160 /28
   
   172.16.1.224 /28 secondary
   
   172.16.1.128 /28 secondary
   
   172.16.1.192 /28 secondary
   
   
   
   
   
   Benjy Rife
   MCSE, CNE, CCIE Candidate
   brife@bignet.net
   www.bignet.net/~brife
   
   
   
   



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