Can you redistribute a default route from one protocol to

From: Gregory Gombas (ggombas@gmail.com)
Date: Tue Jul 31 2007 - 22:09:34 ART


Not sure if this falls under the body of common knowledge, but when
redistributing from one protocol to another, will the default route
get redistributed as well?

In this case I am learning a default route via rip.
I am redistributing rip into ospf but do not see the default route
being redistributed.

Rack8SW1#show ip route 0.0.0.0
Routing entry for 0.0.0.0/0, supernet
  Known via "rip", distance 120, metric 4, candidate default path
  Redistributing via ospf 1, rip
  Last update from 163.8.57.5 on Vlan57, 00:00:14 ago
  Routing Descriptor Blocks:
  * 163.8.57.5, from 163.8.57.5, 00:00:14 ago, via Vlan57
      Route metric is 4, traffic share count is 1

Rack8SW1#

Rack8SW1#show ip ospf database

            OSPF Router with ID (150.8.7.7) (Process ID 1)

                Router Link States (Area 0)

Link ID ADV Router Age Seq# Checksum Link count
10.3.3.3 10.3.3.3 1002 0x80000009 0x002E8F 3
10.4.4.4 10.4.4.4 94 0x80000010 0x00C933 3
150.8.7.7 150.8.7.7 89 0x8000000B 0x00B5BB 1

                Net Link States (Area 0)

Link ID ADV Router Age Seq# Checksum
163.8.0.4 10.4.4.4 95 0x80000004 0x005FCE
163.8.0.134 10.4.4.4 986 0x80000007 0x008DB4

                Type-5 AS External Link States

Link ID ADV Router Age Seq# Checksum Tag
150.8.7.0 150.8.7.7 91 0x80000006 0x00A3A5 0
163.8.7.0 150.8.7.7 91 0x80000006 0x00F942 0
163.8.57.0 150.8.7.7 91 0x80000006 0x00D138 0
Rack8SW1#

As you can see, show ip route says its learned via rip and is
redistributing via ospf 1, but it does not appear in the OSPF
database.

If this is common knowledge, can someone please point me to the
documentation that says this is not allowed?

Thanks,
Greg



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