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Dell SmartFabric OS10 User Guide Release 10.5.4

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Example - Configuration IPv6 PIM with static RP

The following topology diagram describes the IPv6 PIM with static IP configuration:

Perform the following steps to configure IPv6 PIM with static RP:

  • Enable IPv6 multicast forwarding and configure IPv6 PIM neighborship between routers (first hop router (FHR), rendezvous point (RP), and last hop router (LHR) nodes).
  • Configure static RP address on the loopback interface.
  • Configure unicast IPv6 route reachability using OSPFv3 for the static RP and multicast source addresses.
  • Learn MLDv1 groups and multicast streams and verify RPT and SPT paths.

Establish IPv6 PIM neighbor-ship between routers (FHR, RP, and LHR nodes)

Enable IPv6 multicast forwarding and configured IPv6 PIM neighbor-ship between devices. 
FHR# show ipv6 pim neighbor
Neighbor Address Interface         Uptime/Expires     Ver  DR Priority / Mode
-------------------------------------------------------------------------------------------------------------
20:1::2          ethernet1/1/27:1  00:01:09/00:01:36  v2   1 / DR S
FHR#
Following are the FHR device configurations: 
FHR# configure terminal
FHR(config)# ipv6 multicast-routing
FHR(config)#
FHR(config)# interface ethernet 1/1/27:1
FHR(conf-if-eth1/1/27:1)# no switchport
FHR(conf-if-eth1/1/27:1)# ipv6 address 20:1::1/64
FHR(conf-if-eth1/1/27:1)# ipv6 pim sparse-mode
FHR(conf-if-eth1/1/27:1)# exit

FHR(config)#
FHR(config)# interface ethernet 1/1/18:1
FHR(conf-if-eth1/1/18:1)# no switchport
FHR(conf-if-eth1/1/18:1)# ipv6 address 50:1::1/64
FHR(conf-if-eth1/1/18:1)# ipv6 pim sparse-mode
FHR(conf-if-eth1/1/18:1)# end
FHR#
Following are the RP device configurations: 
RP# configure terminal
RP(config)# ipv6 multicast-routing
RP(config)#
RP(config)# interface ethernet 1/1/27:1
RP(conf-if-eth1/1/27:1)# no switchport
RP(conf-if-eth1/1/27:1)# ipv6 address 20:1::2/64
RP(conf-if-eth1/1/27:1)# ipv6 pim sparse-mode
RP(conf-if-eth1/1/27:1)# exit

RP(config)# interface ethernet 1/1/26:1
RP(conf-if-eth1/1/26:1)# no switchport
RP(conf-if-eth1/1/26:1)# ipv6 address 21:1::2/64
RP(conf-if-eth1/1/26:1)# ipv6 pim sparse-mode
RP(conf-if-eth1/1/26:1)# exit
RP#
Following are LHR device configurations: 
LHR# configure terminal
LHR(config)# ipv6 multicast-routing
LHR(config)# interface ethernet 1/1/26:1
LHR(conf-if-eth1/1/26:1)# no switchport
LHR(conf-if-eth1/1/26:1)# ipv6 address 21:1::1/64
LHR(conf-if-eth1/1/26:1)# ipv6 pim sparse-mode
LHR(conf-if-eth1/1/26:1)# exit

LHR(config)# interface ethernet 1/1/27:1
LHR(conf-if-eth1/1/27:1)# no switchport
LHR(conf-if-eth1/1/27:1)# ipv6 address 61:1::1/64
LHR(conf-if-eth1/1/27:1)# ipv6 pim sparse-mode
LHR(conf-if-eth1/1/27:1)# end
LHR#

Configure static RP address on the loopback interface

Configure static RP on FHR, RP, and LHR nodes. 
FHR# show ipv6 pim rp mapping

Group(s) : ff00::/8, Static
RP : 11:1:1::1, v2
FHR#
Following are the RP device configurations: 
RP(config)# interface loopback 0
RP(conf-if-lo-0)# ip address 1.1.1.1/32
RP(conf-if-lo-0)# ipv6 address 11:1:1::1/128
RP(conf-if-lo-0)# ipv6 ospf 1 area 0
RP(conf-if-lo-0)# exit
RP(config)# ipv6 pim rp-address 11:1:1::1 group-address ff00::/8
RP(config)#
Following are the LHR device configurations: 
LHR# configure terminal
LHR(config)# ipv6 pim rp-address 11:1:1::1 group-address ff00::/8
LHR(config)#
Following are the FHR device configurations: 
FHR# configure terminal
FHR(config)# ipv6 pim rp-address 11:1:1::1 group-address ff00::/8
FHR(config)#

Configure unicast IPv6 route reachability using OSPFv3 for the static RP and multicast source addresses

Configure OSPFv3 for IPv6 unicast route reachability and configure multicast sources on FHR and host-connected interfaces on LHR device.

Following are the FHR device configurations: 
FHR# configure terminal
FHR(config)# interface ethernet 1/1/27:1
FHR(conf-if-eth1/1/27:1)# ipv6 ospf 1 area 0
FHR(conf-if-eth1/1/27:1)# exit
FHR#(config)# router ospfv3 1
FHR(config-router-ospfv3-1)# end
FHR#
FHR# configure terminal
FHR(config)# interface ethernet 1/1/18:1
FHR(conf-if-eth1/1/18:1)# ipv6 ospf 1 area 0
FHR(conf-if-eth1/1/18:1)# exit
FHR(config)# end
FHR#
Following are the RP device configurations: 
RP# configure terminal
RP(config)# interface ethernet 1/1/27:1
RP(conf-if-eth1/1/27:1)# ipv6 ospf 1 area 0
RP(conf-if-eth1/1/27:1)# exit
RP#(config)# router ospfv3 1
RP(config-router-ospfv3-1)# end
RP#
RP# configure terminal
RP(config)# interface ethernet 1/1/26:1
RP(conf-if-eth1/1/26:1)# ipv6 ospf 1 area 0
RP(conf-if-eth1/1/26:1)# exit
RP(config)# end
RP#
Following are the LHR device configurations: 
LHR# configure terminal
LHR(config)# interface ethernet 1/1/26:1
LHR(conf-if-eth1/1/26:1)# ipv6 ospf 1 area 0
LHR(conf-if-eth1/1/26:1)# exit
LHR#(config)# router ospfv3 1
LHR(config-router-ospfv3-1)# end
LHR#
LHR# configure terminal
LHR(config)# interface ethernet 1/1/27:1
LHR(conf-if-eth1/1/27:1)# ipv6 ospf 1 area 0
LHR(conf-if-eth1/1/27:1)# exit
LHR(config)# end
LHR#

Learn MLDv1 groups and multicast streams and verify RPT and SPT paths

Verify MLD group members, IPv6 PIM RPT and SPT entries.

Display the LHR device entries: 
LHR#show ipv6 mld groups
Total Number of Groups: 1
MLD Connected Group Membership
Group Address Interface Mode Uptime Expires Last Reporter
fffe:ffff:225:1:1:: ethernet 1/1/27:1 MLDv1-Compat 00:01:58 00:01:59 fe80::200:47ff:fe22:1b2b
LHR#
LHR#show ipv6 pim rp
Group RP
fffe:ffff:225:1:1:: 11:1:1::1
LHR#
LHR#show ipv6 pim tib

PIM Multicast Routing Table
Flags: S - Sparse, C - Connected, L - Local, P - Pruned,
F - Register flag, T - SPT-bit set, J - Join SPT,

Timers: Uptime/Expires
Interface state: Interface, next-Hop, State/Mode

(*, fffe:ffff:225:1:1::), uptime 00:01:27, expires 00:00:00,
RP: 11:1:1::1, flags: SCJ
Incoming interface: Ethernet 1/1/26:1, RPF neighbor fe80::3617:ebff:fe1f:6b82
Outgoing interface list:
     Ethernet 1/1/27:1 Forward/Sparse 00:01:27/Never

LHR#
LHR#show ipv6 pim mcache

IP Multicast Routing Table

(*, fffe:ffff:225:1:1::), uptime 00:02:17
Incoming interface: Ethernet 1/1/26:1
Outgoing interface list:
    Ethernet 1/1/27:1

LHR#

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