Reference Guide

364 | Border Gateway Protocol IPv4 (BGPv4)
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Defaults
level-1-2
Command Modes
ROUTER BGP
Example
Figure 12-3. Command Example: redistribute isis
Usage
Information
With FTOS version 8.3.1.0 and later, the redistribute command can be used to advertise the IGP cost as
the MED on redistributed routes. When the route-map is set with metric-type internal and applied
outbound to an EBGP peer/peer-group, the advertised routes corresponding to those peer/peer-group
will have IGP cost set as MED.
IS-IS to BGP redistribution supports matching of level-1 or level-2 routes or all routes (default). More
advanced match options can be performed using route maps. The metric value of redistributed routes
can be set by the redistribution command.
Command
History
redistribute ospf
c e s
Redistribute OSPF routes into BGP.
Syntax
redistribute ospf process-id [[match external {1 | 2}] [match internal]] [route-map
map-name]
To stop redistribution of OSPF routes, use the no redistribute ospf process-id command.
level-1-2 (OPTIONAL) Enter the keyword level-1-2 to independently redistributed
into Level 1 and Level 2 routes. This is the default.
level-2 (OPTIONAL) Enter the keyword level-2 to independently redistributed into
Level 2 routes only
metric metric-value (OPTIONAL) Enter the keyword metric followed by the metric value used
for the redistributed route. Use a metric value that is consistent with the
destination protocol.
Range: 0 to 16777215
Default: 0
route-map map-name Enter the keyword route-map followed by the map name that is an
identifier for a configured route map.
The route map should filter imported routes from the source routing protocol
to the current routing protocol.
If you do not specify a
map-name, all routes are redistributed. If you
specify a keyword, but fail to list route map tags, no routes will be imported.
(conf)#router bgp 1
(conf-router_bgp)#redistribute isis level-1 metric 44 route-map rmap-is2bgp
(conf-router_bgp)#show running-config bgp
!
router bgp 1
redistribute isis level-1 metric 44 route-map rmap-is2bgp
Version 8.3.1.0 Introduced ability to substitute IGP cost for MED when a peer/peer-group outbound
route-map is set as internal.
Version 6.3.1.0 Introduced