OcNOS-SP : Layer 3 Guide : Layer 3 Unicast Configuration Guide : Policy Based Routing Configuration : IPv6 Configurations for PBR
IPv6 Configurations for PBR
R1
 
R1#configure terminal
Enter configure mode.
R1(config)#feature pbr
Enable PBR support
R1(config)#hardware-profile filter ingress- ipv6 enable
Enable Ingress IPv6 group for PBR support
R1(config)# ipv6 access-list 123
Create ipv6 access-list named 123
R1(config-ipv6-acl)#10 permit any 101::/64 202::/64
Create an access rule to permit IPv6 packets with source 101::/64 and destination 202::/64
R1(config-ipv6-acl)#commit
Commit the candidate configuration to the running configuration.
R1(config-ipv6-acl)#exit
Exit access-list mode
R1(config)#route-map 123 permit 10
Configure route-map with name 123 and sequence number 10
R1(config-route-map)# match ipv6 address 123
Match ip address with ACL 123
R1(config-route-map)#set ipv6 next-hop 6111::2
Set next-hop to forward the matching IP packets
R1(config-route-map)#commit
Commit the candidate configuration to the running configuration.
R1(config-route-map)#exit
Exit route-map mode
R1(config)#interface lo
Enter interface mode.
R1(config-if)#ip address 1.1.1.1/32
Configure the IPv6 address of the interface.
R1(config-if)#exit
Exit interface mode.
R1(config)#router ipv6 ospf 100
Creating OSPFv3 routing instance
R1(config-router)#exit
Exit router mode.
R1(config)#interface eth1
Enter interface mode.
R1(config-if)#ipv6 address 2111::1/64
Configure the IPv6 address of the interface.
R1(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R1(config-if)#exit
Exit interface mode.
R1(config)#interface eth2
Enter interface mode.
R1(config-if)#ipv6 address 6111::1/64
Configure the IPv6 address of the interface.
R1(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R1(config-if)# ipv6 ospf cost 2
Configuring ospf cost as 2
R1(config-if)#exit
Exit interface mode.
R1(config)#interface eth3
Enter interface mode.
R1(config-if)#ipv6 address 1311::1/64
Configure the IPv6 address of the interface.
R1(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R1(config-if)# ipv6 ospf cost 3
Configuring ospf cost as 3
R1(config-if)#exit
Exit interface mode.
R1(config)#interface eth4
Enter interface mode.
R1(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R1(config-if)#ipv6 address 101::2/64
Configure the IPv6 address of the interface.
R1(config-if)#ipv6 policy route-map 123
Attach PBR on the ingress interface
R1(config-if)#commit
Commit the candidate configuration to the running configuration.
R1(config-if)#exit
Exit interface mode.
R2
 
R2#configure terminal
Enter configure mode.
R2(config)#interface lo
Enter interface mode.
R2(config-if)#ip address 2.2.2.2/32
Configure the IPv6 address of the interface.
R2(config-if)#exit
Exit interface mode.
R2(config)#router ipv6 ospf 100
Creating OSPFv3 routing instance
R2(config-router)#exit
Exit router mode.
R2(config)#interface eth1
Enter interface mode.
R2(config-if)#ipv6 address 2111::2/64
Configure the IPv6 address of the interface.
R2(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R2(config-if)#exit
Exit interface mode.
R2(config)#interface eth2
Enter interface mode.
R2(config-if)#ipv6 address 1011::1/64
Configure the IPv6 address of the interface.
R2(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R2(config-if)#commit
Commit the candidate configuration to the running configuration.
R2(config-if)#exit
Exit interface mode.
R3
 
R3#configure terminal
Enter configure mode.
R3(config)#router ipv6 ospf 100
Creating OSPFv3 routing instance
R3(config-router)#exit
Exit router mode.
R3(config)#interface lo
Enter interface mode.
R3(config-if)#ip address 3.3.3.3/32
Configure the IPv6 address of the interface.
R3(config-if)#exit
Exit interface mode.
R3(config)#interface eth1
Enter interface mode.
R3(config-if)#ipv6 address 6111::2/64
Configure the IPv6 address of the interface.
R3(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R2(config-router)#exit
Exit router mode.
R3(config)#interface eth2
Enter interface mode.
R3(config-if)#ipv6 address 1211::1/64
Configure the IPv6 address of the interface.
R3(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R2(config-if)#commit
Commit the candidate configuration to the running configuration.
R3(config-if)#exit
Exit interface mode.
R4
 
R4#configure terminal
Enter configure mode.
R4(config)#router ipv6 ospf 100
Creating OSPFv3 routing instance
R4(config-router)#exit
Exit router mode.
R4(config)#interface lo
Enter interface mode.
R4(config-if)#ip address 4.4.4.4/32
Configure the IPv6 address of the interface.
R4(config-if)#exit
Exit interface mode.
R4(config)#interface eth1
Enter interface mode.
R4(config-if)#ipv6 address 1311::2/64
Configure the IPv6 address of the interface.
R4(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R4(config-if)#exit
Exit interface mode.
R4(config)#interface eth2
Enter interface mode.
R4(config-if)#ipv6 address 1511::1/64
Configure the IPv6 address of the interface.
R4(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R4(config-if)#commit
Commit the candidate configuration to the running configuration.
R4(config-if)#exit
Exit interface mode.
R5
 
R5#configure terminal
Enter configure mode.
R5(config)#router ipv6 ospf 100
Creating OSPFv3 routing instance
R5(config-router)#exit
Exit router mode.
R5(config)#interface lo
Enter interface mode.
R5(config-if)#ip address 5.5.5.5/32
Configure the IPv6 address of the interface.
R5(config-if)#exit
Exit interface mode.
R5(config)#interface eth1
Enter interface mode.
R5(config-if)#ipv6 address 1011::2/64
Configure the IPv6 address of the interface.
R5(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R5(config-if)#exit
Exit interface mode.
R5(config)#interface eth2
Enter interface mode.
R5(config-if)#ipv6 address 1211::2/64
Configure the IPv6 address of the interface.
R5(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R5(config-if)#exit
Exit interface mode.
R5(config)#interface eth3
Enter interface mode.
R5(config-if)#ipv6 address 1511::2/64
Configure the IPv6 address of the interface.
R5(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R5(config-if)#exit
Exit interface mode.
R5(config)#interface eth4
Enter interface mode.
R5(config-if)#ipv6 address 202::2/64
Configure the IPv6 address of the interface.
R5(config-if)#ipv6 router ospf area 0.0.0.0 tag 100
Enable OSPFv3 routing on an interface, and assign the Area ID 0.
R5(config-if)#commit
Commit the candidate configuration to the running configuration.
R5(config-if)#exit
Exit interface mode.
Validation
R1
R1#show run aclmgr
ipv6 access-list 123
10 permit any 101::/64 202::/64
268435453 permit icmpv6 any any
R1#show run interface eth4
!
interface eth4
ip address 101.1.1.2/24
ipv6 address 101::2/64
ipv6 policy route-map 123
ipv6 router ospf area 0.0.0.0 tag 100
!
R1#show route-map 123
route-map 123, permit, sequence 10
Match clauses:
ipv6 address: 123
Set clauses:
ipv6 next-hop 6111::2
 
R1#show ipv6 policy
Interface Route-map Status VRF-Name
eth4 123 Active default
 
R1#
R1#clear route-map 123 pbr-statistics
R1#sho route-map 123 pbr-statistics
 
Route-map 123, family IPv6
IPv6 PBR Count: 1
VRF-name: default
Sequence 10, permit
Policy routing matches: 1077577 packets
Current action in HW: Route
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Last modified date: 10/16/2023