I'm having issues running BFD between a Cisco 6509-E and a F5 Load-balancer.
dsr01#sh ver
Cisco IOS Software, s72033_rp Software (s72033_rp-ADVENTERPRISEK9-M), Version 15.1(2)SY, RELEASE SOFTWARE (fc4)
F5 running 12.1.2
ZebOS version 7.10.6 IPIRouter 11/30/16 15:23:06
Build # is ZebOS-7-10-6-IPI on host i686-pc-linux-gnu
Copyright (C) 2001-2011 IP Infusion Inc. All rights reserved.
Here is my config
Cisco 6509-E
router bgp 64602
neighbor BFD peer-group
neighbor BFD remote-as 64602
neighbor BFD fall-over bfd
neighbor BFD-V6 peer-group
neighbor BFD-V6 remote-as 64602
neighbor BFD-V6 fall-over bfd
neighbor fd::b peer-group BFD-V6
neighbor fd::b description bigip
neighbor 10.10.10.124 peer-group BFD
eighbor 10.10.10.124 description IBGP to bigip
address-family ipv4
no neighbor fd::b activate
neighbor 10.10.10.124 activate
!
address-family ipv6
neighbor fd::b activate
!
interface Vlan404
description bigip VIP Net
ip address 10.10.10.66 255.255.255.192
no ip redirects
no ip unreachables
standby version 2
standby 0 ip 10.10.10.65
standby 0 priority 125
standby 0 preempt
standby 1 ipv6 fd::1/64
standby 1 priority 125
standby 1 preempt
no logging event link-status
ipv6 address fd::2/64
ipv6 enable
bfd interval 750 min_rx 750 multiplier 3
end
F5
interface vip
bfd interval 750 minrx 750 multiplier 3
!
router bgp 64602
bgp router-id 10.10.10.124
bgp graceful-restart restart-time 120
redistribute kernel route-map BGP-OUT
neighbor BFD peer-group
neighbor BFD remote-as 64602
neighbor BFD fall-over bfd
neighbor BFD route-map DENY-ALL in
neighbor BFD route-map BGP-OUT out
neighbor BFD-v6 peer-group
neighbor BFD-v6 remote-as 64602
neighbor BFD-v6 fall-over bfd
no neighbor BFD-v6 capability graceful-restart
neighbor 10.10.10.66 peer-group BFD
neighbor 10.10.10.66 description IBGP to dsr01
no neighbor fd::2 activate
no neighbor fd::2 capability graceful-restart
!
address-family ipv6
redistribute kernel route-map BFD6
neighbor BFD-v6 activate
neighbor BFD-v6 route-map DENY-ALL6 in
neighbor BFD-v6 route-map BGP-V6-OUT out
neighbor fd::2 peer-group BFD-v6
exit-address-family
!
bfd gtsm enable
bigip[0]#sh bfd session
Sess-Idx Remote-Disc Lower-Layer Sess-Type Sess-State UP-Time Remote-Addr
5 4 IPv4 Single-Hop Up 00:19:06 10.10.10.66/32
8 0 IPv6 Single-Hop Down 00:00:00 fe::2/128
bigip[0]#sh bfd session detail
======================================================
Session Interface Index : 720 Session Index : 5
Lower Layer : IPv4 Version : 1
Session Type : Single Hop Session State : Up
Local Discriminator : 5 Local Address : 10.10.10.124/32
Remote Discriminator : 4 Remote Address : 10.10.10.66/32
Local Port : 49156 Remote Port : 3784
Options :
Diagnostics : None
Timers in Milliseconds :
Min Tx: 750 Min Rx: 750 Multiplier: 3
Neg Tx: 750 Neg Rx: 750 Neg detect mult: 3
Min echo Tx: 50 Min echo Rx: 50 Neg echo intrvl: 0
Storage type : 2
Sess down time : 00:00:00
Sess discontinue time : 00:00:00
Bfd GTSM Enabled
Bfd GTSM TTL value: 255
Bfd Authentication Disabled
Counters values:
Pkt In : 0000000000002f6a Pkt Out : 0000000000002a02
Echo Out : 0000000000000000 IPv6 Echo Out : 0000000000000000
IPv6 Pkt In : 0000000000000000 IPv6 Pkt Out : 0000000000000000
UP Count : 2 UPTIME : 00:18:30
Protocol Client Info:
BGP-> Client ID: 7 Flags: 4
----------------------------------------------------------
Session Interface Index : 720 Session Index : 8
Lower Layer : IPv6 Version : 1
Session Type : Single Hop Session State : Down
Local Discriminator : 8 Local Address : fd::b/128
Remote Discriminator : 0 Remote Address : fd::2/128
Local Port : 49159 Remote Port : 3784
Options :
Diagnostics : None
Timers in Milliseconds :
Min Tx: 750 Min Rx: 750 Multiplier: 3
Neg Tx: 0 Neg Rx: 0 Neg detect mult: 0
Min echo Tx: 50 Min echo Rx: 50 Neg echo intrvl: 0
Storage type : 2
Sess down time : 00:00:00
Sess discontinue time : 00:00:00
Bfd GTSM Enabled
Bfd GTSM TTL value: 255
Bfd Authentication Disabled
Counters values:
Pkt In : 0000000000000000 Pkt Out : 0000000000000000
Echo Out : 0000000000000000 IPv6 Echo Out : 0000000000000000
IPv6 Pkt In : 0000000000000000 IPv6 Pkt Out : 00000000000013fb
UP Count : 0 UPTIME : 00:00:00
Protocol Client Info:
BGP-> Client ID: 7 Flags: 4
----------------------------------------------------------
cisco output
dsr01#sh bfd neighbors
IPv4 Sessions
NeighAddr LD/RD RH/RS State Int
10.10.10.124 4/5 Up Up Vl404
IPv6 Sessions
NeighAddr LD/RD RH/RS State Int
fd::B 3/8 Down Init Vl404
dsr01#
dsr01#sh bfd neighbors details
IPv4 Sessions
NeighAddr LD/RD RH/RS State Int
10.10.10.124 4/5 Up Up Vl404
Session state is UP and not using echo function.
Session Host: Software
OurAddr: 10.10.10.66
Handle: 1
Local Diag: 0, Demand mode: 0, Poll bit: 0
MinTxInt: 750000, MinRxInt: 750000, Multiplier: 3
Received MinRxInt: 750000, Received Multiplier: 3
Holddown (hits): 2134(0), Hello (hits): 750(2795)
Rx Count: 2455, Rx Interval (ms) min/max/avg: 604/836/750 last: 120 ms ago
Tx Count: 2796, Tx Interval (ms) min/max/avg: 1/752/658 last: 504 ms ago
Elapsed time watermarks: 0 0 (last: 0)
Registered protocols: BGP CEF
Uptime: 00:30:40
Last packet: Version: 1 - Diagnostic: 0
State bit: Up - Demand bit: 0
Poll bit: 0 - Final bit: 0
C bit: 1
Multiplier: 3 - Length: 24
My Discr.: 5 - Your Discr.: 4
Min tx interval: 750000 - Min rx interval: 750000
Min Echo interval: 0
IPv6 Sessions
NeighAddr LD/RD RH/RS State Int
fd::B 3/8 Down Init Vl404
Session Host: Software
OurAddr: fd::1
Handle: 2
Local Diag: 0, Demand mode: 0, Poll bit: 0
MinTxInt: 1000000, MinRxInt: 1000000, Multiplier: 3
Received MinRxInt: 750000, Received Multiplier: 3
Holddown (hits): 2624(0), Hello (hits): 1000(566)
Rx Count: 416, Rx Interval (ms) min/max/avg: 852/1084/999 last: 376 ms ago
Tx Count: 567, Tx Interval (ms) min/max/avg: 252/1004/877 last: 332 ms ago
Elapsed time watermarks: 0 0 (last: 0)
Registered protocols: BGP CEF
Last packet: Version: 1 - Diagnostic: 0
State bit: Down - Demand bit: 0
Poll bit: 0 - Final bit: 0
C bit: 1
Multiplier: 3 - Length: 24
My Discr.: 3 - Your Discr.: 0
Min tx interval: 1000000 - Min rx interval: 750000
Min Echo interval: 0
dsr01#
I do not understand why its using the standby ip address when I configured it for the local address? It does not do this behavior with the ipv4 address?
Any help would be greatly appreciated.
