01-08-2008 12:47 PM - edited 03-03-2019 08:10 PM
what kind of route it will be if i will use redistribute command under ospf and what kind of route it will be if i will use distribute list with route map? will it be external or internal?
01-08-2008 01:01 PM
When you redistribute into OSPF, the routes are tagged as "External" either type 1 or type 2 default being type 2
Distribute list in OSPF is used for controlling prefixes from being entered into the routing table and not for redistribution
HTH
Narayan
01-08-2008 08:30 PM
HI, [Do Rate all HELPFUL POSTS]
Refer link below for distribute list with route-map:
Using Distribute List with Route-Map statements, will be useful to define a Route-Map to prevent OSPF Routes from being added to the Routing Table.
Refer link below for Eg: OSPF Router redistributing the other Protocols:
http://www.cisco.com/warp/public/105/redist.html#ospf
Do RATE ALL HELPUL POSTS
Best Regards,
Guru Prasad R
01-08-2008 01:03 PM
Hi
Routes redistributed into your OSPF process will always be external routes, either type 1 or type 2.
Type 1 = Cost of external route as advertised into the OSPF AS + the internal cost within the OSPF AS.
Type 2 = Just the cost of the external route as advertised into the OSPF AS.
By default the type is 2 but you can change this when you redistribute using the "metric" option.
They would still be external whether you use a distribute list/route-map or not.
Jon
01-08-2008 01:15 PM
Hello,
"Redistributing routes into OSPF from other routing protocols or from static will cause these routes to become OSPF external routes."
http://www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.shtml#t32
Distribute-list out: works on originating ASBR, does not let the externals of this ASBR to be flooded in the network towards other OSPF routers
Distribute-list in: does not let incoming LSA's make it to the routing table
http://www.cisco.com/en/US/tech/tk365/technologies_q_and_a_item09186a0080094704.shtml#q12
Kind Regards,
M.
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