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BFD between Cisco GSR via two F10's terminated onto MX 960

san2123jay
Level 1
Level 1

Hi Guys,

Iam running ISIS on GSR-E1200i-E600i-MX960 . ISIS has come up but BFD is not coming up some configs that i have done is pasted below need your comments:

lab-as6453-mcore1#sh run int gi1/3.244
Building configuration...

Current configuration : 421 bytes
!
interface GigabitEthernet1/3.244
description *** To MX 960***
encapsulation dot1Q 244
ip address 172.31.23.10 255.255.255.252
no ip directed-broadcast
ip pim sparse-mode
ip router isis gi6453
ipv6 address 2009::2/126
ipv6 enable
ipv6 router isis gi6453
mpls label protocol ldp
tag-switching ip
bfd interval 100 min_rx 100 multiplier 6
isis circuit-type level-1
isis network point-to-point
isis bfd
end
=====================

244 is passed via both Forc 10's as layer 2 vlan and terminated on the Juniper

lab@mx960-lab# show interface ae1.244
point-to-point;
bfd-liveness-detection {
    minimum-interval 100;
    multiplier 6;
    no-adaptation;
    transmit-interval {
        minimum-interval 100;
        threshold 200;
    }
}

======================

lab@mx960-lab# run show isis adjacency
Interface             System         L State        Hold (secs) SNPA
ae1.244               lab-as6453-mcore1 1 Up                 28
================================

lab@mx960-lab# run show bfd session
                                                  Detect   Transmit
Address                  State     Interface      Time     Interval  Multiplier
59.145.4.1               Up        ge-6/1/1.0     0.600     0.100        6
172.31.23.10             Down      ae1.244        0.000     1.000        6

1 Reply 1

Mahesh Gohil
Level 7
Level 7

Hello,

Can you check for licence for bfd. I found below notes

NOTE: Before the router can use the bfd-liveness-detection command, you must specifying a BFD license key. To view an already configured license, use the show license bfd command

http://www.juniper.net/techpubs/software/erx/junose72/swconfig-ip-ipv6-igp/html/isis-config13.html

Also please check for config guidelines in above link especially

isis bfd-liveness-detection

Regards

Mahesh

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