From: Padhu (LFG) (padhu@xxxxxxxxxxxx)
Date: Tue Aug 07 2001 - 18:15:23 GMT-3
Sorry if its filling your inbox..Just clarifying few more thoughts.
Major Net: 172.16.0.0
Default ADs : RIP - 120
IS-IS 115
EIGRP 90
Case Study : Mutual redistribution between all 3 protocols.( passive on
appropriate interfaces)
IS-IS running ONLy between R1 and R5 serial.
EIGRP Only between R5 S1 and R3's S1
RIP Only between R4 and R5's ethernet
R1
| IS-IS
RIP | EIGRP
R4<E0-----------E0>R5<S1----------------S1>R3
Problem:
R5's ethernet will never get redistributed into IS-IS from RIP bcos of
higher AD. If i redistribute EIGRP into
IS-IS then R5's ethernet also will get advertised into IS-IS. If i change
the AD of EIGRP to 130. Now R5's ethernet will get redistributed into IS-IS
however it will grab R5's S1 also bcos of lower AD which means
R5's S1 can never be redistributed into IS-IS from EIGRP ,only via RIP. One
option i was considering which worked well also is to "enable " EIGRP only
on R5's serial by using the eigrp netmask. So now EIGRP doesn't steal R5's
ethernet bcos its enabled only for S1 bcos of using the mask. The problem
with this approach is
that i need 12.1 code ....What if i have low 12.0 series then i am stuck.
Can you change the distance for connected routes ?
Is there a clean way to approach this problem ? If all were OSPF and IS-IS
and RIP V2 i could use distribute list so that only those interfaces
participating in their respective protocols get advertised / redistributed
blah blah.
Appreciate any insights.
Thanks .
Cheers,Padhu
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