BGP synchronization in IOS 11.3 and 12.0

From: Lev Terebizh (lter@xxxxxxxxxxxxxxxx)
Date: Fri Dec 08 2000 - 07:50:29 GMT-3


   
Hi.
I found some interesting in BGP synchronization.

                ------------r3
               |
r1--------r2-----------r4
               |
               -------------r5

r1-r2 - ebgp, r2/r3/r4/r5 - ibgp. r2 is route-reflect server. r3,r4,r5 -
route-reflect clients.
synch is turned on on all routers
r3 - IOS 11.3
r4,r5 - IOS 12.0.
r2 have next hop self to r3-5. r2-5 run ospf. r1-r2 have no routing
protocol.
r1 is source of bgp routes.

Now question:

r2 have routes from r1 marked as "*>".
r4,5 have the same routes marked as "*" - it is looking as I had expect...

BUT on r3 I see that routes as "*>".
And if I change IOS on 11.3 to 12.0 then all router do not show that bgp
routes marked as "*>"

What is the issue? Can anybody explain this..?



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