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BGP route question

Psycho_naT
Beginner
Beginner

Exampe:

show ip bgp vpnv4 vrf "vrf-name" sum | i 1234

10.244.11.14     4   1234  6934899   6290661    164944     0         0     41w1d                     0

10.244.12.14     4   1234  7080720   6290660    164944     0         0     41w1d                     0

10.244.13.14     4   1234  7731806   6290758    164944     0         0     41w1d                   43

10.244.14.14     4   1234  7195156   6290775    164944     0         0     41w1d                   33

10.244.15.14     4   1234  6993135   6290663    164944     0      0      1w2d                       0

10.244.16.14     4   1234  7008760   6290663    164944     0         0      1w2d                       0

10.244.17.14     4   1234  7122383   6290672    164944     0         0      1w2d                 2792

show ip bgp vpnv4 vrf "vrf-name" 192.168.2.100 255.255.255.255

BGP routing table entry for 65000:500:192.168.2.100/32, version 164944

Paths: (8 available, best #1, table "vrf-name")

Not advertised to any peer

1234 65000

10.244.17.14 from 10.244.17.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external, best

Extended Community: RT:65000:500

1234 65000, (received-only)

10.244.17.14 from 10.244.17.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000 65000 65000, (received-only)

10.244.16.14 from 10.244.16.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000 65000 65000, (received-only)

10.244.15.14 from 10.244.15.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000 65000 65000, (received-only)

10.244.14.14 from 10.244.14.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000 65000 65000, (received-only)

10.244.11.14 from 10.244.11.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000, (received-only)

10.244.13.14 from 10.244.13.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

1234 65000, (received-only)

10.244.12.14 from 10.244.12.14 (10.254.254.121)

Origin incomplete, localpref 100, valid, external

Question: why i get two entries about 192.168.2.100/32 subnetwork from the same neighbor 10.244.17.14 ?

"vrf-name" - it's local routing table using for local purposes only, no iBGP neighbors.     

3 Replies 3

Raju Sekharan
Cisco Employee
Cisco Employee
You are seeing this becasue of soft-reconfig

(received-only) is  raw data from peer before applying any policy

The other entry ( best path) shows how this raw data was modified by the policy applied on the router

Thanks
Raju



Thanks !

You are welocme

Raju

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