How many ways of filtering routes in OSPF, and what’s the differences?

Created Mar 13, 2016 00:01:39Latest reply Mar 13, 2016 15:04:58 989 1 0 0

How many ways of filtering routes in OSPF, and what’s the differences?

  • x
  • convention:

Osaideo     Created Mar 13, 2016 15:04:58 Helpful(0) Helpful(0)

There are many ways of filtering OSPF route, including filter-policy, filter and route-policy. And their difference is as following:
Filter-policy and filter only can filter route; route-policy not only can filter route, but also can add or modify tag or priority of the route.
OSPF route filter can be done in two ways. The first one is to filter the OSPF routing table, which will only affect this router. It will not stop generating and advertising LSA, so the route calculation on the other routers will not be affected. The second one is to stop generating or advertising LSA, so the router and the other routers in same area or in same AS will not have the related route
  • x
  • convention:

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