Afternoon all,

I've been working on cleaning up my ospf implementation, so that I will have 
fewer "external" routes in my route lists.  So I've been creating a secondary 
area, and adding in all the non link subnets to that area, instead of 
redistributing static.

Most all of my routers have multiple ips on their interfaces.  Usually a /30 
public block for the link between the two routers, and then say a /28 for the 
private ips of the link radios.

example:
[[email protected] 25514] /ip address> print where interface=vlan73
Flags: X - disabled, I - invalid, D - dynamic 
 #   ADDRESS            NETWORK         BROADCAST       INTERFACE              
 0   ;;; SGH2Cali Public
     208.xx.xxx.26/29   208.xx.xxx.24   208.xx.xxx.31   vlan73                 
 1   ;;; Link 2 Calidonia
     10.104.68.35/28    10.104.68.32    10.104.68.47    vlan73                 
 2   10.100.1.30/29     10.100.1.24     10.100.1.31     vlan73                 
[[email protected] 25514] /ip address> 

I created area 2 on both my routers, and put the two private networks into that 
area.  The area type is 'stub', and each router has an interface 'all' that is 
marked as passive.

As soon as I enable the networks on the second router, the routes switch to 
using the private ips, instead of the public.  The public ip's are in the 
'backbone' area.

Is this due to having area 2 on the two different routers, so they're actually 
peering as neighbors?

Thanks for some insight.
-Keith-




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