[c-nsp] OSPF on Secondary IP addresses.

a. rahman isnaini r.sutan risnaini at indo.net.id
Wed Jun 11 09:32:20 EDT 2008


No Idea.
All my OSPF only work on primary address.
Had tried with secondary, no luck.
What I did to solve this, change the primary address mask to have more 
space of IPs.

rgs
a. rahman isnaini r.sutan
W3 - Warung With Wi-Fi Jogjakarta

Masood Ahmad Shah wrote:
> 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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