Configuring BGP MED Route Selection

Publication Date:  2012-07-24 Views:  83 Downloads:  0
Issue Description
#                                                                                                                                  
bgp 65017                                                                                                                          
 network 10.17.1.0 255.255.255.128                                                                                                 
 network 10.17.1.128 255.255.255.128                                                                                               
 network 100.100.100.100 255.255.255.255                                                                                           
 undo synchronization                                                                                                              
 group ex external                                                                                                                 
 peer 30.17.1.1 group ex as-number 65000                                                                                           
 peer 30.17.1.1 route-policy 7609A import                                                                                          
 peer 31.17.1.1 group ex as-number 65000                                                                                           
 peer 31.17.1.1 route-policy 7609B import                                                                                          
#  
In previous configurations, only the routing information of the peer device can be learned, the cost value cannot be sent.
peer 30.17.1.1 route-policy 7609A import Here only the import command can be configured, but the export command cannot.
Alarm Information
None.
Handling Process
#
bgp 65017
 network 10.17.1.0 255.255.255.128
 network 10.17.1.128 255.255.255.128
 network 100.100.100.100 255.255.255.255
 undo synchronization
 group 7609A external
 peer 7609A route-policy 7609A export
 peer 30.17.1.1 group 7609A as-number 65000
 group 7609B external
 peer 7609B route-policy 7609B export
 peer 31.17.1.1 group 7609B as-number 65000
#
Configure two peer groups to send the cost value.
Root Cause
The configuration method is different from that of peer vendors, such as H3C.
Suggestions
If such a problem occurs during the delivery and implementation, refer to this case.
Both the USG2100 BSR and USG HSR support BSG MED.

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