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New Member

need detail explaination about eigrp between CE-PE


As you known,the new IOS release can support eigrp routing protcol between CE-PE.In order to keep the eigrp metric&attributes,new extended-communities are add.You can display the detail information by issuing command show ip bgp vpnv4 all x.x.x.x.but I can not correct relationship between the extened-commuinty and EIGRP attributes.Such as the folloing information:

pe1#sh ip bgp vpnv4 vrf test

BGP routing table entry for 100:1:, version 89

Paths: (1 available, best #1, table test)

Not advertised to any peer

Local (metric 782) from (

Origin incomplete, metric 46251776, localpref 100, valid, internal, best

Extended Community: SoO:100:2 RT:100:1 0x8800:0:1520 0x8801:10:537600 0x88

02:65281:45714176 0x8803:65281:1492 0x8804:0:3663209373 0x8805:11:0

pe1#sh ip eigrp vrf test topo

IP-EIGRP (AS 10): Topology entry for

State is Passive, Query origin flag is 1, 1 Successor(s), FD is 46251776

Routing Descriptor Blocks:, from Redistributed, Send flag is 0x0

Composite metric is (46251776/0), Route is External

Vector metric:

Minimum bandwidth is 56 Kbit

Total delay is 21000 microseconds

Reliability is 255/255

Load is 1/255

Minimum MTU is 1492

Hop count is 1

External data:

Originating router is

AS number of route is 0

External protocol is Connected, external metric is 0

Administrator tag is 1520 (0x000005F0).

I found networkers document:RST-306 mentioned no detailed explaination.Please give me a hand.Thank you in advance.

  • MPLS

Re: need detail explaination about eigrp between CE-PE

EIGRP with VRF is mainly used for VPNs through CE-PE, the following document can explain in more detail:

New Member

Re: need detail explaination about eigrp between CE-PE

thank you for your reply.But the document you gave above does not cover the eigrp between CE-PE.I focused on how to convert eigrp metric to MP-BGP extended communities and vise matter I should thank you .

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