Re: RE: ospf - rip redistribution issue.

From: navaid@rogers.com
Date: Tue Sep 16 2003 - 15:32:21 GMT-3


Larry,
Thanks for reply. You are absolutely right. It is resolved. I was using a class-B on interface so summarization as per mask was working only for that class-B subnet. I have added a sec. address from class A major network included it in rip routing process now I am receiving all 10dot addresses.

Thanks,

Navaid

>
> From: "Roberts, Larry" <Larry.Roberts@expanets.com>
> Date: 2003/09/16 Tue PM 02:06:35 EDT
> To: "'navaid@rogers.com'" <navaid@rogers.com>, ccielab@groupstudy.com
> Subject: RE: ospf - rip redistribution issue.
>
> Is the network between R2 and R4 in the 10.x.x.x/24 address space though?
> (it appears at first glance to be 172.31.0.0)
>
>
> If I recall correctly, it will only use the subnet of the interface IF the
> interface is in the same major network.
>
>
>
> Thanks
>
> Larry
>
> -----Original Message-----
> From: navaid@rogers.com [mailto:navaid@rogers.com]
> Sent: Tuesday, September 16, 2003 12:43 PM
> To: ccielab@groupstudy.com
> Subject: ospf - rip redistribution issue.
>
>
> I am redistributing ospf E2 routes in rip v1. I have no auto-summary enabled
> in rip but next hop rip v1 router receive a classful summary route (should
> summarized as per mask which is 24 bit).
>
> ospf----R2------rip-------R4
>
> R2 redistributing ospf to rip.
> ospf routes are :
> 10.1.1.1
> 10.2.2.2
> | | | |
> 10.9.9.9
>
> R4 receive summary that is 10.0.0.0
> Mask on R2 interface pointing to R4 is 24 bit.
> All ospf routes are Type E2.
>
> ---------R2----------------
> router rip
> version 1
> redistribute ospf 1 metric 2 match internal external 1 external 2
> route-map ospf2rip
> passive-interface default
> no passive-interface Serial0.1
> network 172.31.0.0
> no auto-summary !
> router ospf 1
> log-adjacency-changes
> area 0 authentication message-digest
> area 12 virtual-link 10.1.1.1 authentication message-digest
> area 12 virtual-link 10.1.1.1 message-digest-key 1 md5 7 00071A150754
> redistribute connected subnets route-map conn2ospf
> redistribute rip subnets route-map rip2ospf
> network 172.31.12.0 0.0.0.255 area 12
> network 172.31.25.0 0.0.0.255 area 0
> network 172.31.100.0 0.0.0.7 area 0
> neighbor 172.31.100.6 priority 1
> neighbor 172.31.100.5 priority 1 !
> --------R4--------------------
> !
> router rip
> version 1
> passive-interface default
> no passive-interface Serial0/0
> network 10.0.0.0
> network 172.31.0.0
> no auto-summary
> !
>
> 1
>
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1

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