Juniper – Segment Routing over IPv6

nick EVPN, Juniper, VPWS

Yes it’s another EVPN/VPWS lab but this one is slightly different in that Segment Routing runs over an IPV6 underlay (not to be confused with SRv6).

https://blogs.juniper.net/en-us/ask-juniper/segment-routing-sr-an-overview

eve-ng_export-20260405-165848Download

PE1

set chassis network-services enhanced-ip
set interfaces ge-0/0/0 unit 0 family iso
set interfaces ge-0/0/0 unit 0 family inet6 address fd2c:8b41:3e9a:1c4d::1/64
set interfaces ge-0/0/0 unit 0 family mpls
set interfaces ge-0/0/1 vlan-tagging
set interfaces ge-0/0/1 encapsulation flexible-ethernet-services
set interfaces ge-0/0/1 unit 2111 encapsulation vlan-ccc
set interfaces ge-0/0/1 unit 2111 vlan-id 2111
set interfaces lo0 unit 0 family iso address 49.0000.5555.0000.0000.00
set interfaces lo0 unit 0 family inet6 address fd7e:9c21:ab04:77d1:8a2f:3c91:5e44:1baf/128
set interfaces lo0 unit 0 family mpls
set policy-options policy-statement NHS then next-hop self
set routing-instances EVPN instance-type evpn-vpws
set routing-instances EVPN protocols evpn interface ge-0/0/1.2111 vpws-service-id local 2111
set routing-instances EVPN protocols evpn interface ge-0/0/1.2111 vpws-service-id remote 2112
set routing-instances EVPN protocols evpn encapsulation mpls-inet6
set routing-instances EVPN interface ge-0/0/1.2111
set routing-instances EVPN route-distinguisher 5.5.5.5:2111
set routing-instances EVPN vrf-target target:65400:2111
set routing-options resolution preserve-nexthop-hierarchy
set routing-options router-id 10.1.1.1
set routing-options autonomous-system 65400
set protocols bgp group INTERNAL type internal
set protocols bgp group INTERNAL local-address fd7e:9c21:ab04:77d1:8a2f:3c91:5e44:1baf
set protocols bgp group INTERNAL family evpn signaling
set protocols bgp group INTERNAL export NHS
set protocols bgp group INTERNAL neighbor fd34:f0a9:6dbe:2c18:0000:0000:0000:0001
set protocols isis interface ge-0/0/0.0 point-to-point
set protocols isis interface lo0.0
set protocols isis source-packet-routing srgb start-label 80000
set protocols isis source-packet-routing srgb index-range 1000
set protocols isis source-packet-routing node-segment ipv6-index 50
set protocols isis level 1 disable
set protocols isis level 2 wide-metrics-only
set protocols isis traffic-engineering ipv6
set protocols isis no-ipv4-routing
set protocols isis topologies ipv6-unicast
set protocols mpls ipv6-tunneling
set protocols mpls interface ge-0/0/0.0
set protocols mpls interface lo0.0

P1

set chassis network-services enhanced-ip
set interfaces ge-0/0/0 unit 0 family iso
set interfaces ge-0/0/0 unit 0 family inet6 address fd2c:8b41:3e9a:1c4d::2/64
set interfaces ge-0/0/0 unit 0 family mpls
set interfaces ge-0/0/1 unit 0 family iso
set interfaces ge-0/0/1 unit 0 family inet6 address fd91:6a0f:b7e2:9a33::1/64
set interfaces ge-0/0/1 unit 0 family mpls
set interfaces lo0 unit 0 family iso address 49.0000.6666.0000.0000.00
set interfaces lo0 unit 0 family inet6 address fd34:f0a9:6dbe:2c18:0000:0000:0000:0001/128
set interfaces lo0 unit 0 family mpls
set routing-options router-id 10.1.1.2
set routing-options autonomous-system 65400
set protocols bgp group INTERNAL type internal
set protocols bgp group INTERNAL local-address fd34:f0a9:6dbe:2c18:0000:0000:0000:0001
set protocols bgp group INTERNAL family evpn signaling
set protocols bgp group INTERNAL cluster 10.1.1.2
set protocols bgp group INTERNAL neighbor fd7e:9c21:ab04:77d1:8a2f:3c91:5e44:1baf
set protocols bgp group INTERNAL neighbor fdc1:55aa:9e02:4b90:dead:beef:cafe:1234
set protocols isis interface ge-0/0/0.0 point-to-point
set protocols isis interface ge-0/0/1.0 point-to-point
set protocols isis interface lo0.0
set protocols isis source-packet-routing srgb start-label 80000
set protocols isis source-packet-routing srgb index-range 1000
set protocols isis source-packet-routing node-segment ipv6-index 60
set protocols isis level 1 disable
set protocols isis level 2 wide-metrics-only
set protocols isis traffic-engineering ipv6
set protocols isis no-ipv4-routing
set protocols isis topologies ipv6-unicast
set protocols mpls ipv6-tunneling
set protocols mpls interface ge-0/0/0.0
set protocols mpls interface ge-0/0/1.0
set protocols mpls interface lo0.0

PE2

set chassis network-services enhanced-ip
set interfaces ge-0/0/0 unit 0 family iso
set interfaces ge-0/0/0 unit 0 family inet6 address fd91:6a0f:b7e2:9a33::2/64
set interfaces ge-0/0/0 unit 0 family mpls
set interfaces ge-0/0/1 vlan-tagging
set interfaces ge-0/0/1 encapsulation flexible-ethernet-services
set interfaces ge-0/0/1 unit 2111 encapsulation vlan-ccc
set interfaces ge-0/0/1 unit 2111 vlan-id 2111
set interfaces lo0 unit 0 family iso address 49.0000.7777.0000.0000.00
set interfaces lo0 unit 0 family inet6 address fdc1:55aa:9e02:4b90:dead:beef:cafe:1234/128
set interfaces lo0 unit 0 family mpls
set policy-options policy-statement NHS then next-hop self
set routing-instances EVPN instance-type evpn-vpws
set routing-instances EVPN protocols evpn interface ge-0/0/1.2111 vpws-service-id local 2112
set routing-instances EVPN protocols evpn interface ge-0/0/1.2111 vpws-service-id remote 2111
set routing-instances EVPN protocols evpn encapsulation mpls-inet6
set routing-instances EVPN interface ge-0/0/1.2111
set routing-instances EVPN route-distinguisher 7.7.7.7:2111
set routing-instances EVPN vrf-target target:65400:2111
set routing-options resolution preserve-nexthop-hierarchy
set routing-options router-id 10.1.1.3
set routing-options autonomous-system 65400
set protocols bgp group INTERNAL type internal
set protocols bgp group INTERNAL local-address fdc1:55aa:9e02:4b90:dead:beef:cafe:1234
set protocols bgp group INTERNAL family evpn signaling
set protocols bgp group INTERNAL export NHS
set protocols bgp group INTERNAL neighbor fd34:f0a9:6dbe:2c18:0000:0000:0000:0001
set protocols isis interface ge-0/0/0.0 point-to-point
set protocols isis interface lo0.0 passive
set protocols isis source-packet-routing srgb start-label 80000
set protocols isis source-packet-routing srgb index-range 1000
set protocols isis source-packet-routing node-segment ipv6-index 70
set protocols isis level 1 disable
set protocols isis level 2 wide-metrics-only
set protocols isis traffic-engineering ipv6
set protocols isis no-ipv4-routing
set protocols isis topologies ipv6-unicast
set protocols mpls ipv6-tunneling
set protocols mpls interface ge-0/0/0.0
set protocols mpls interface lo0.0

The usual Cisco devices are acting as CEs and OSPFv3 is configured on both.

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