[c-nsp] OSPF on Secondary IP addresses.

[Alex]

Masood,
Yes you can if you use NAT to make your primary IP look as secondary to the 
OSPF neighbor.
Is that what you are trying to achieve?
Rgds
Alex

----- Original Message ----- 
From: "Masood Ahmad Shah" <masood at nexlinx.net.pk>
To: <cisco-nsp at puck.nether.net>
Sent: Wednesday, June 11, 2008 2:24 PM
Subject: [c-nsp] OSPF on Secondary IP addresses.


> Can OSPF establish as neighbors on secondary addresses? Do not have any 
> luck
> unless the OSPF network interface is primary. Any ideas why and how do we 
> go
> around this?
>
>
>
> What if a ROUTERA is connected to a wireless bridge which is serving
> multiple sites . Or there can be many other situation when you need to 
> build
> adjacency on secondary IP address instead of primary IP.
>
>
>
> Oops I can't find any parameter (when I configure secondary address on 
> Cisco
> Router) like preferred/primary . thanks to juniper guys for providing it 
> ;)
> J
>
>
>
>
>
> Thanks in advance.
>
>
>
> Regards,
>
> Masood Ahmad Shah
>
>
>
> -------------
>
> ROUTERA
>
>
>
> interface FastEthernet1
>
> ip address 2.100.220.113 255.255.255.248
>
> ip address 2.100.220.97 255.255.255.248 secondary
>
> ip address 2.100.230.81 255.255.255.248 secondary
>
> no ip redirects
>
> no ip directed-broadcast
>
> !
>
> router ospf 100
>
> log-adjacency-changes
>
> area 3.3.3.102 stub no-summary
>
> network 2.100.230.80 0.0.0.7 area 3.3.3.102
>
>
>
> --------------
>
> ROUTERB
>
>
>
> interface Ethernet0
>
> ip address 2.100.230.86 255.255.255.248
>
> !
>
> router ospf 100
>
> log-adjacency-changes
>
> area 3.3.3.102 stub
>
> passive-interface BRI0
>
> network 2.100.230.80 0.0.0.7 area 3.3.3.102
>
>
>
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