PIM-BFD Configuration

OcNOS-RON : Multicast Guide : Multicast Configuration Guide : PIM-BFD Configuration : PIM-BFD Configuration

This document captures requirements to use BFD with PIM IPv4 and IPv6 to detect adjacent neighbor reachability failure.

ROUTER2

#configure terminal	Enter configuration mode.
OcNOS(config)#ip multicast-routing	Configure IP multicast routing
OcNOS(config)#ipv6 multicast-routing	Configure IPv6 multicast routing
OcNOS(config)#interface xe29	Entering in to interface
OcNOS(config-if)#ipv6 address 5001::1/64	Configure IPv6 address
OcNOS(config-if)#ip address 14.14.14.1/24	Configure IPv4 address
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPF to interface
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config)#interface ce0	Entering in to interface
OcNOS(config-if)#ipv6 address 2001::1/64	Configure IPv6 address
OcNOS(config-if)#ip address 12.12.12.1/24	Configure IP address
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPF to interface
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#interface xe4	Entering in to interface
OcNOS(config-if)#ipv6 address 3001::1/64	Configure IPv6 address
OcNOS(config-if)#ip address 13.13.13.1/24	Configure IP address
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)# ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPF to interface
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#router ospf 1	Configure IP OSPF
OcNOS(config-router)#ospf router-id 20.20.20.1	Configure router id under ospf
OcNOS(config-router)#network 12.12.12.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 13.13.13.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 14.14.14.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 20.20.20.1/32 area 0.0.0.0	Add network under OSPF
OcNOS(config)#router ipv6 ospf 1	Configure IPv6 OSPF
OcNOS(config-router)#router-id 1.1.1.1	Configure router ID under OSPF
OcNOS(config-router)#commit	Commit all the transactions
OcNOS(config)#exit	Exit

ROUTER3

#configure terminal	Enter configuration mode.
OcNOS(config)#bridge 1 protocol mstp	Configure bridge 1 protocol MSTP/IEEE VLAN bridge
OcNOS(config)#vlan database	Entering in to VLAN database
OcNOS(config-vlan)#vlan 120 bridge 1 state enable	Configure VLAN 120 with bridge 1 state enable
OcNOS(config-vlan)#ip multicast-routing	Configure IP multicast routing
OcNOS(config-vlan)#ipv6 multicast-routing	Configure IPv6 multicast routing
OcNOS(config)#interface vlan1.120	Entering VLAN interface
OcNOS(config-if)#ipv6 address 1001::2/64	Configure IPv6 address
OcNOS(config-if)#ip address 10.10.10.2/24	Configure IP address
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPFv6
OcNOS(config-if)#ipv6 pim bfd	Configure IPv6 PIM BFD
OcNOS(config-if)#ip pim bfd	Configure IP BFD
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#ipv6 pim bsr-candidate vlan1.120	Configure IPv6 PIM BSR candidate
OcNOS(config)#commit	Commit all the transactions
OcNOS(config)#int ce7/1	Entering interface ce7/1
OcNOS(config-if)#switchport	Configure Switchport
OcNOS(config-if)#bridge-group 1	Configure bridge group1
OcNOS(config-if)#switchport mode access	Configure switchport mode access
OcNOS(config-if)#switchport access vlan 120	Configure switchport access mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#interface ce9/1	Entering interface ce9/1
OcNOS(config-if)#ipv6 address 2001::2/64	Configure IPv6 address
OcNOS(config-if)#ip address 12.12.12.2/24	Configure IP address
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPFv6 under interface
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#router ospf 1	Configure IP OSPF
OcNOS(config-router)#ospf router-id 20.20.20.2	Configure router ID under ospf
OcNOS(config-router)#network 10.10.10.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 12.12.12.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 20.20.20.2/32 area 0.0.0.0	Add network under OSPF
OcNOS(config)#router ipv6 ospf 1	Configure IPv6 OSPF
OcNOS(config-router)#router-id 2.2.2.2	Configure router ID under OSPF
OcNOS(config-router)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit

ROUTER4

#configure terminal	Enter configuration mode.
OcNOS(config)#bridge 1 protocol mstp	Configure bridge 1 protocol MSTP/IEEE VLAN bridge
OcNOS(config)#vlan database	Entering in to VLAN database
OcNOS(config-vlan)#vlan 120 bridge 1 state enable	Configure VLAN 120 with bridge 1 state enable
OcNOS(config-vlan)#ip multicast-routing	Configure IP multicast routing
OcNOS(config-vlan)#ipv6 multicast-routing	Configure IPv6 multicast routing
OcNOS(config)#interface vlan1.120	Entering VLAN interface
OcNOS(config-if)#ipv6 address 1001::3/64	Configure IPv6 address
OcNOS(config-if)#ip address 10.10.10.2/24	Configure IP address
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPFv6
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ip pim bfd	Configure PIM BFD
OcNOS(config-if)#ipv6 pim bfd	Configure IPv6 PIM BFD
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#ipv6 pim bsr-candidate vlan1.120	Configure IPv6 PIM BSR candidate
OcNOS(config)#commit	Commit all the transactions
OcNOS(config)#int xe7	Entering interface ce7/1
OcNOS(config-if)#switchport	Configure Switchport
OcNOS(config-if)#bridge-group 1	Configure bridge group1
OcNOS(config-if)#switchport mode access	Configure switchport mode access
OcNOS(config-if)#switchport access vlan 120	Configure switchport access mode
OcNOS(config-if)#commit	Commit all the transactions
OCNOS(config)#interface xe8	Entering interface
OCNOS(config-if)#ipv6 address 3001::2/64	Configure IPv6 address
OCNOS(config-if)#ip address 13.13.13.2/24	Configure IP address
OCNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPFv6 under interface
OCNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OCNOS(config-if)#ip pim sparse-mode	Configure IP PIM sparse mode
OCNOS(config-if)#commit	Commit all the transactions
OCNOS(config-if)#exit	Exit
OcNOS(config)#router ospf 1	Configure IP OSPF
OcNOS(config-router)#ospf router-id 20.20.20.3	Configure router id under OSPF
OcNOS(config-router)#network 10.10.10.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 13.13.13.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 20.20.20.3/32 area 0.0.0.0	Add network under OSPF
OcNOS(config)#router ipv6 ospf 1	Configure IPv6 OSPF
OcNOS(config-router)#router-id 3.3.3.3	Configure router id under OSPF
OcNOS(config-router)#commit	Commit all the transactions
OCNOS(config-if)#exit	Exit

SWITCH

#configure terminal	Enter configuration mode.
(config)#bridge 1 protocol mstp	Bridge config
OcNOS(config)#vlan database	Entering in to VLAN database
OcNOS(config-vlan)#vlan 120 bridge 1 state enable	Configure VLAN 120 with bridge 1 state enable
OcNOS(config-if)#int ce49	Entering interface xe1
OcNOS(config-if)#switchport	Configure Switchport
OcNOS(config-if)#bridge-group 1	Configure bridge group1
OcNOS(config-if)#switchport mode access	Configure switchport mode access
OcNOS(config-if)#switchport access vlan 120	Configure switchport access mode
OcNOS (config-if)#exit	Exit interface mode.
OcNOS(config-if)#int xe37	Entering interface xe1
OcNOS(config-if)#switchport	Configure Switchport
OcNOS(config-if)#bridge-group 1	Configure bridge group1
OcNOS(config-if)#switchport mode access	Configure switchport mode access
OcNOS(config-if)#switchport access vlan 120	Configure switchport access mode
OcNOS (config-if)#exit	Exit interface mode.
OcNOS(config-if)#int xe47	Entering interface xe1
OcNOS(config-if)#switchport	Configure Switchport
OcNOS(config-if)#bridge-group 1	Configure bridge group1
OcNOS(config-if)#switchport mode access	Configure switchport mode access
OcNOS(config-if)#switchport access vlan 120	Configure switchport access mode
OcNOS (config-if)#exit	Exit interface mode.
OcNOS(config-if)#commit	Commit all the transactions

ROUTER5

#configure terminal	Enter configuration mode.
OcNOS(config)#ipv6 multicast-routing	Configure IPv6 multicast routing
OcNOS(config)#ip multicast-routing	Configure IP multicast routing
OcNOS(config)#interface xe18	Entering in to interface
OcNOS(config-if)#ipv6 address 6001::1/64	Configure IPv6 address
OcNOS(config-if)#ip address 16.16.16.1/24	Configure IP address
OcNOS(config-if)#ipv6 mld version 2	Configure MLD version 2
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPF to interface
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config)#interface xe5	Entering in to interface
OcNOS(config-if)#ipv6 address 1001::1/64	Configure IPv6 address
OcNOS(config-if)#ip address 10.10.10.1/24	Configure IP address
OcNOS(config-if)#ipv6 router ospf area 0.0.0.0 tag 1 instance-id 0	Configure OSPF to interface
OcNOS(config-if)#ip pim sparse-mode	Configure PIM sparse mode
OcNOS(config-if)#ipv6 pim sparse-mode	Configure IPv6 PIM sparse mode
OcNOS(config-if)#ip pim bfd	Configure IP PIM BFD
OcNOS(config-if)#ipv6 pim bfd	Configure IPv6 PIM BFD
OcNOS(config-if)#commit	Commit all the transactions
OcNOS(config-if)#exit	Exit
OcNOS(config)#router ospf 1	Configure IP OSPF
OcNOS(config-router)#ospf router-id 20.20.20.4	Configure router id under OSPF
OcNOS(config-router)#network 10.10.10.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 16.16.16.0/24 area 0.0.0.0	Add network under OSPF
OcNOS(config-router)#network 20.20.20.4/32 area 0.0.0.0	Add network under OSPF
OcNOS(config)#router ipv6 ospf 1	Configure IPv6 OSPF
OcNOS(config-router)#router-id 5.5.5.5	Configure router id under OSPF
OcNOS(config-router)#commit	Commit all the transactions
OcNOS(config)#exit	Exit

Validation

ROUTER2

#sh ipv6 pim neighbor

Total number of PIM neighbors:2

Neighbor Address Interface Uptime/Expires DR

Pri/Mode

fe80::36ef:b6ff:fe94:3df5 ce0 00:00:38/00:01:24 1 /

fe80::e201:a6ff:fe4b:f30a xe4 00:00:41/00:01:30 1 /

#sh ip pim neighbor

Total number of PIM neighbors:2

Neighbor Interface Uptime/Expires Ver DR

Address Priority/Mode

12.12.12.2 ce0 00:11:17/00:01:28 v2 1 / DR

13.13.13.2 xe4 00:11:19/00:01:27 v2 1 / DR

ROUTER3

#sh ipv6 pim neighbor

Total number of PIM neighbors:3

Neighbor Address Interface Uptime/Expires DR

Pri/Mode

fe80::eac5:7aff:feb1:6b11 ce9/1 00:12:51/00:01:24 1 / DR

fe80::e201:a6ff:fe4b:f301 vlan1.120 00:02:28/00:01:17 1 /

fe80::eac5:7aff:fe78:a2cc vlan1.120 00:02:28/00:01:29 1 / DR

#sh ip pim neighbor

Total number of PIM neighbors:3

Neighbor Interface Uptime/Expires Ver DR

Address Priority/Mode

12.12.12.1 ce9/1 00:09:15/00:01:32 v2 1 /

10.10.10.1 vlan1.120 00:09:44/00:01:31 v2 1 /

10.10.10.3 vlan1.120 00:10:56/00:01:20 v2 1 / DR

#sh bfd session

BFD process for VRF: (DEFAULT VRF)

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

Sess-Idx Remote-Disc Lower-Layer Sess-Type Sess-State UP-Time Interface Down-Reason Remote-Addr

258 NA IPv6 Micro-BFD Up 00:34:25 vlan1.120 NA fe80::eac5:7aff:fea8:7cb9/128

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop ce11/1 2 2056 Up

259 NA IPv4 Micro-BFD Up 00:23:03 vlan1.120 NA 10.10.10.1/32

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop ce11/1 3 4 Up

257 NA IPv4 Micro-BFD Up 00:00:16 vlan1.120 NA 10.10.10.3/32

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop ce11/1 1 4 Up

260 NA IPv6 Micro-BFD Up 00:00:09 vlan1.120 NA fe80::e201:a6ff:fe4b:f301/128

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop ce11/1 4 2052 Up

Number of Sessions: 4

ROUTER4

#sh ipv6 pim neighbor

Total number of PIM neighbors:3

Neighbor Address Interface Uptime/Expires DR

Pri/Mode

fe80::eac5:7aff:feb1:6b15 xe8 00:02:55/00:01:22 1 / DR

fe80::36ef:b6ff:fe94:3db4 vlan1.120 00:04:50/00:01:37 1 /

fe80::eac5:7aff:fea8:7cb9 vlan1.120 00:04:51/00:01:27 1 / DR

#sh bfd session

BFD process for VRF: (DEFAULT VRF)

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

Sess-Idx Remote-Disc Lower-Layer Sess-Type Sess-State UP-Time Interface Down-Reason Remote-Addr

4100 NA IPv4 Micro-BFD Up 00:00:08 vlan1.120 NA 10.10.10.2/32

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop 4 1 Up

4104 NA IPv4 Micro-BFD Up 00:00:08 vlan1.120 NA 10.10.10.1/32

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop 8 8 Up

4108 NA IPv6 Micro-BFD Up 00:00:07 vlan1.120 NA fe80::36ef:b6ff:fe94:3db4/128

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop 2052 4 Up

4112 NA IPv6 Micro-BFD Up 00:00:07 vlan1.120 NA fe80::eac5:7aff:fea8:7cb9/128

HW SESS: TYPE INTERFACE LOC_DISC REM_DISC LOCAL_STATE

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

Single Hop 2056 2052 Up

Number of Sessions: 4

ROUTER5

#sh ipv6 pim neighbor

Total number of PIM neighbors:2

Neighbor Address Interface Uptime/Expires DR

Pri/Mode

fe80::36ef:b6ff:fe94:3db4 xe5 00:11:48/00:01:37 1 /

fe80::e201:a6ff:fe4b:f301 xe5 00:08:51/00:01:24 1 /

#sh ip pim neighbor

Total number of PIM neighbors:2

Neighbor Interface Uptime/Expires Ver DR

Address Priority/Mode

10.10.10.2 xe5 00:09:03/00:01:25 v2 1 /

10.10.10.3 xe5 00:09:07/00:01:27 v2 1 / DR

#sh bfd session

BFD process for VRF: (DEFAULT VRF)

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

Sess-Idx Remote-Disc Lower-Layer Sess-Type Sess-State UP-Time Interface Down-Reason Remote-Addr

2056 2 IPv6 Single-Hop Up 00:33:25 xe5 NA fe80::36ef:b6ff:fe94:3db4/128

4 3 IPv4 Single-Hop Up 00:22:04 xe5 NA 10.10.10.2/32

Number of Sessions: 2

#sh ipv6 mld groups detail

MLD Connected Group Membership Details

Flags: (M - SSM Mapping, R - Remote,

SG - Static Group, SS - Static Source)

Interface: xe15

Group: ff06::2

Flags: R

Uptime: 00:01:18

Group mode: Include ()

State: Active

Last reporter: fe80::1

Group source list: (R - Remote, M - SSM Mapping, S - Static )

Include Source List :

Source Address Uptime v2 Exp Fwd Flags

5001::2 00:01:18 00:04:17 Yes R

#sh ip igmp groups detail

IGMP Instance wide G-Recs Count is: 1

IGMP Connected Group Membership Details

Flags: (M - SSM Mapping, R - Remote, L - Local,

SG - Static Group, SS - Static Source)

Interface: xe15

Group: 231.1.1.1

Flags: R

Uptime: 00:01:24

Group mode: Include ()

State: Active

Last reporter: 16.16.16.2

Group source list: (R - Remote, M - SSM Mapping, S - Static, L - Local)

Include Source List :

Source Address Uptime v3 Exp Fwd Flags

14.14.14.2 00:01:24 00:04:07 Yes R

After Shutdown

#sh bfd session

BFD process for VRF: (DEFAULT VRF)

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

Sess-Idx Remote-Disc Lower-Layer Sess-Type Sess-State UP-Time Interface Down-Reason Remote-Addr

Number of Sessions: 0

Last modified date: 07/14/2023