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Why can not modify preference of BGP IBGP

Publication Date:  2012-07-27 Views:  171 Downloads:  0
Issue Description
Q:Two NE80E as the role of  PE router in L3VPN deploy network, they learn the private network VPN routing table each other by configuring IBGP (As Below).according to the command line preference EBGP IBGP Local, configure IBGP priority level is 59, dispaly the routing table and found PE to learn from each other to the BGP route preference is still 255, why the changes do not come into force? 
[Quidway-bgp]ipv4-family vpn-instance vpna
[Quidway-bgp-vpnaaa]preference 255 59 255
Alarm Information
No
Handling Process
A:For PE and PE to learn the VPNv4 routing, the system that is a local route, modify the parameters should be Local, rather than the IBGP
Root Cause
No
Suggestions
No

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