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How to Configure XSR to Redistribute OSPF Learned Subnet Into BGP

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TitleHow to Configure XSR to Redistribute OSPF Learned Subnet Into BGP
Objective
Redistribute specific subnet learned via OSPF into BGP
Environment
  • XSR
  • OSPF
  • BGP
Procedure
1.  Configure a standard ACL that defines the subnet(s) to be redistributed:
access-list  10 permit      192.0.2.0 0.0.0.255

2.  Configure route-map:
route-map 1 permit 10
 match ip address 10
 

3.  Add redistribute command to BGP:
 redistribute ospf route-map 1
Additional notes
Assumptions:
  • Both OSPF and BGP have been configured on the router and are functioning
  • Subnet for redistribution is being learned via OSPF
  • As always save for persistence over reboots with "copy run start" command sequence

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