Hi All,

I have two OSPF problems to resolve, hopefully you can help.

Question 1.

===========

Problem is when redistributing from OSPF to IGRP.

I have 3 routers say A, B, C. All subnets from 10.x.x.x.

A----B----C

A runs IGRP (all ints have 10.x.x.0/24 subnets)

B runs IGRP and OSPF (with redistribution both ways)

C runs OSPF (ints have various masks on 10.x.x.0 ie. /24's, /26's etc)

Redistribution from IGRP to OSPF is fine, problem is going the other way.

The non /24's from Router C are not in Router A's table. This is due to the
IGRP domain only "using" /24 and hence the non /24's are never advertised
out from B to A.

If I was using EIGRP in place of OSPF, I just use a summary on B etc, to
make the the non/24's look like /24's and out they go into IGRP.

How do we do that for OSPF to IGRP?????.

We can't use statics etc.



Question 2.

===========

How do I change the OSPF "dead interval" for two neigbours without using the

ip ospf dead-interval command?.



R3#sho ip ospf int s 0

Serial0 is up, line protocol is up

Internet Address 10.1.1.1/28, Area 0

Process ID 100, Router ID 10.10.10.10, Network Type NON_BROADCAST, Cost: 64

Transmit Delay is 1 sec, State DROTHER, Priority 0

Designated Router (ID) 10.20.20.20, Interface address 10.1.1.1

No backup designated router on this network

Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5
<--------I want to change Dead time

Hello due in 00:00:09

Neighbor Count is 1, Adjacent neighbor count is 1

Adjacent with neighbor 10.20.20.20 (Designated Router)

Suppress hello for 0 neighbor(s)

Message digest authentication enabled

Youngest key id is 10



I can use the "poll-interval" key word on the neighbour command, but that is
not the dead timer that you see in a show ip ospf nei, it is for after the
neighbour is already down.

R3#sho ip ospf nei detail

Neighbor 10.20.20.20, interface address 10.1.1.1

In the area 0 via interface Serial0

Neighbor priority is 1, State is FULL, 7 state changes

DR is 10.1.1.1 BDR is 0.0.0.0

Poll interval 200 <---------------I can change this via neighbour statement

Options 66

Dead timer due in 00:01:57



What do you think?.



Thanks,

Paul.




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