mutual restribution w/ tags

From: John Matus (jmatus@pacbell.net)
Date: Thu Aug 12 2004 - 17:27:27 GMT-3


hi folks,
i'm practicing redistributing between 2 protocols with 2 points of mutual
redistribution. i have found to different route maps that i'm told accomplish
the same task but i'm not really sure which is the best method and why....so
here they are

r1--------------ospf/eigrp----------------r3
- r2 -
- -
- -
r4--------------ospf/eigrp-----------------r6
                     r5

r2 and r5 are performing the redistribution.

method 1:
R2

Router os 1

Redistribute eig 100 sub route-m e2o

Router eig 100

Redis os 1 metric 1000 100 255 1 1500 route-m o2e

Route-m e2o deny 10

Set tag 4110

Route-m e2o permit 20

Route-m o2e deny 10

Set tag 490

Route-m o2e permit 20

R5

Router os 1

Redistribute eig 100 sub route-m e2o

Router eig 100

Redistribute os 1 metric 1000 100 255 1 1500 route-m o2e

Route-m e2o permit 10

Set tag 490

Route-m o2e permit 10

Set tag 4110

METHOD 2:

both R2 and R5:

route-map e2o deny 10
match tag 110
route-map e20 perm 20
set tag 90

route-map o2e deny 10
match tag 90
route-map o2e perm 20
set tag 110

router os 1
red ei 100 sub route-map e2o metric-ty 1

router ei 100
red os 1 in ex metric 1500 1 255 1 1500 route-map o2e

are both methods correct? is one a better practice than the other?

John D. Matus
MCSE, CCNP
Office: 818-782-2061
Cell: 818-430-8372
jmatus@pacbell.net



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