default-network and igrp (classic flsm/vlsm)

From: Ryaboy Vadim (VRyaboy@xxxxxxxxxx)
Date: Thu Nov 15 2001 - 01:17:50 GMT-3


   
Hello,

Here is the scenario:

          R2 --- R5(E0) ---(E0) R4 (S0) --- (S1)R1

R4,R1 running igrp
R4- R5 - OSPF virtual link
R5-R2 - OSPF area 0

IGRP and OSPF mutually redistributed on R4. R1 (/24) don't see

R4 S1 170.10.15.1/24
R4 S0 170.10.15.1/24

R4 (e0) 170.10.11.65 / 26
R5 (e0) 170.10.11.66 / 26

R2 -- R5 Frame Relay network 170.10.10.32/28.

Classic FLSM/VLSM scenario. R1 (/24) don't see R2-R5 network .

One of few solutions (right?)- use ip classless (I have it on)
And use ip default-network.

I've put ip default-network 170.10.0.0 on R4
All it did - it created static route in running-config: ip route 170.10.0.0
255.255.0.0 170.10.10.0
It did not put any gateways of last resort on R4 or R1.

 Can I use ip default-network to solve this problem?
And how.



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