the mask is the wrong length.  neighbors have to agree on mask length.

--

RFC 1149 Compliant.


""Chhetri Naresh""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> HI Guys
>
> I have an OSPF question andmy network setup is as follows:
>
> R1------Switch------R2
> R1 has an ip addres of 10.103.56.97/20 and R2 has an ip address of
> 10.103.56.1/21. Under OSPF the foll network command is present
> network 10.103.56.0 0.0.7.255 area 8.
> Both the routers are in the same area.
> The problem is that they dont form neighbours.
> When i ping 224.0.0.5 from both the routers both of them respond and there
> is no problem at layer3, ican ping each other.
> i did a debug on R1 and get the foll
>  OSPF: Mismatched hello parameters from 10.103.56.1
>  Dead R 40 C 40, Hello R 10 C 10  Mask R 255.255.248.0 C 255.255.240.0
>
> Its a plain config with no changes to the timer, i am assuming that since
> they are a broadcast ospf net work they should form neighbours.
>
> Also the foll output will be helpfull,
>
> R1#FastEthernet1/0 is up, line protocol is up
>   Internet Address 10.103.56.97/20, Area 8
>   Process ID 65514, Router ID 209.25.40.16, Network Type BROADCAST, Cost:
1
>   Transmit Delay is 1 sec, State DR, Priority 1
>   Designated Router (ID) 209.25.40.16, Interface address 10.103.56.97
>   No backup designated router on this network
>   Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
>     Hello due in 00:00:03
>   Neighbor Count is 0, Adjacent neighbor count is 0
>   Suppress hello for 0 neighbor(s)
> -----------------------------------------
> R2#sh ip ospf in FastEthernet0/0
> FastEthernet0/0 is up, line protocol is up
>   Internet Address 10.103.56.1/21, Area 8
>   Process ID 65514, Router ID 10.96.255.70, Network Type BROADCAST, Cost:
1
>   Transmit Delay is 1 sec, State DR, Priority 1
>   Designated Router (ID) 10.96.255.70, Interface address 10.103.56.1
>   No backup designated router on this network
>   Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
>     Hello due in 00:00:07
>   Index 4/4, flood queue length 0
>   Next 0x0(0)/0x0(0)
>   Last flood scan length is 0, maximum is 0
>   Last flood scan time is 0 msec, maximum is 0 msec
>   Neighbor Count is 0, Adjacent neighbor count is 0
>   Suppress hello for 0 neighbor(s)
>
> Pls advise, i am going crazy over it.
>
> Thanks in advance.
>
> cheers
> naresh




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