From: Mohamed M Moustafa (mmma@gawab.com)
Date: Sat Jun 30 2007 - 09:43:58 ART
Hi,
I guess that in the last case (OSPF and RIP) it is not necessary to do
filtering for the RIP process because RIP has a higher administrative
distance than OSPF. If routes that originate in the OSPF domain were fed
back via RIP, the OSPF routes would still take precedence.
BR,
Mohammed Mahmoud.
louis john <west_coast@inbox.com> wrote on 30 Jun 2007, 09:35 AM:
Subject: When Do I need to do two ways/ One way filtering with mutual
redistribution ?
>Folks,
>
>Please correct me if I am wrong.
>
>Between OSPF & EIGRP
>
>If I have mutual redistribution between OSPF & EIGRP then one way filtering
>will be enough, the filtering should be done from the OSPF side like tag
>the packets entering the OSPF domain and filter it on the other router.
>
>This is because EIGRP should not have any problem in it's domain since
>routes are classified with AD of 90 and 170.
>
>
>Between RIP & EIGRP
>
>
>the same case can be applied for OSPF & EIGRP i.e. one way filtering into
>the RIP domain.
>
>
>
>Between OSPF & RIP
>
>
>Here I should do two ways filtering since both protocols are not
>classifying who is internal and who is external.
>
>
>
>
>Appreciating your confirmation.
>
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