srv6_vpnv4_frr.yaml

nodes:
- name: R1
  image: frr-centos8:latest
  docker_run_extra_args: --entrypoint bash
  sysctls:
  - sysctl: net.vrf.strict_mode=1
  - sysctl: net.ipv4.ip_forward=1
  - sysctl: net.ipv4.conf.all.rp_filter=0
  - sysctl: net.ipv4.conf.default.rp_filter=0
  - sysctl: net.ipv6.conf.all.forwarding=1
  - sysctl: net.ipv6.conf.all.disable_ipv6=0
  - sysctl: net.ipv6.conf.all.seg6_enabled=1
  - sysctl: net.ipv6.conf.default.forwarding=1
  - sysctl: net.ipv6.conf.default.disable_ipv6=0
  - sysctl: net.ipv6.conf.default.seg6_enabled=1
  interfaces:
  - { name: net10, type: direct, args: R2#net10 }
  - { name: net2, type: direct, args: HostA1#net0 }

- name: R2
  image: frr-centos8:latest
  docker_run_extra_args: --entrypoint bash
  sysctls:
  - sysctl: net.vrf.strict_mode=1
  - sysctl: net.ipv4.ip_forward=1
  - sysctl: net.ipv4.conf.all.rp_filter=0
  - sysctl: net.ipv4.conf.default.rp_filter=0
  - sysctl: net.ipv6.conf.all.forwarding=1
  - sysctl: net.ipv6.conf.all.disable_ipv6=0
  - sysctl: net.ipv6.conf.all.seg6_enabled=1
  - sysctl: net.ipv6.conf.default.forwarding=1
  - sysctl: net.ipv6.conf.default.disable_ipv6=0
  - sysctl: net.ipv6.conf.default.seg6_enabled=1
  interfaces:
  - { name: net10, type: direct, args: R1#net10 }
  - { name: net2, type: direct, args: HostA2#net0 }

- name: HostA1
  image: nicolaka/netshoot
  docker_run_extra_args: --entrypoint bash
  interfaces:
  - { name: net0, type: direct, args: R1#net2 }
- name: HostA2
  image: nicolaka/netshoot
  docker_run_extra_args: --entrypoint bash
  interfaces:
  - { name: net0, type: direct, args: R2#net2 }

postinit:
  cmds:
  - cmd: |
      cat <<EOF >frr.r1.conf
      segment-routing
       srv6
        locators
         locator default
           prefix 2001:db8:1:1::/64
         !
        !
       !
      !
      router bgp 1
       bgp router-id 1.1.1.1
       no bgp default ipv4-unicast
       neighbor 2001:13::2 remote-as 1
       !
       address-family ipv4 vpn
        neighbor 2001:13::2 activate
       exit-address-family
       !
       segment-routing srv6
        locator default
       !
      !
      router bgp 1 vrf CUST-A
       bgp router-id 1.1.1.1
       no bgp default ipv4-unicast
       neighbor 2001:13::2 remote-as 1
       !
       address-family ipv4 unicast
        sid vpn export auto
        rd vpn export 1:100
        rt vpn export 99:99
        rt vpn import 99:99
        import vpn
        export vpn
        redistribute connected
        neighbor 2001:13::2 activate
       exit-address-family
      !
      EOF
  - cmd: |
      cat <<EOF >frr.r2.conf
      segment-routing
       srv6
        locators
         locator default
           prefix 2001:db8:1:2::/64
         !
        !
       !
      !
      router bgp 1
       bgp router-id 2.2.2.2
       no bgp default ipv4-unicast
       neighbor 2001:13::1 remote-as 1
       !
       address-family ipv4 vpn
        neighbor 2001:13::1 activate
       exit-address-family
       !
       segment-routing srv6
        locator default
       !
      !
      router bgp 1 vrf CUST-A
       bgp router-id 2.2.2.2
       no bgp default ipv4-unicast
       neighbor 2001:13::1 remote-as 1
       !
       address-family ipv4 unicast
        sid vpn export auto
        rd vpn export 1:100
        rt vpn export 99:99
        rt vpn import 99:99
        import vpn
        export vpn
        redistribute connected
        neighbor 2001:13::1 activate
       exit-address-family
      !
      EOF
  - cmd: docker cp frr.r1.conf R1:/etc/frr/frr.conf
  - cmd: docker cp frr.r2.conf R2:/etc/frr/frr.conf

node_configs:
- name: R1
  cmds:
  - cmd: ip addr add 2001:13::1/64 dev net10
  - cmd: ip addr add 192.168.0.1/24 dev net2

  - cmd: ip link add CUST-A type vrf table 10
  - cmd: ip link set CUST-A up
  - cmd: ip link set net2 vrf CUST-A

  # - cmd: ip route add fc00:2::/64 via 2001:13::2 dev net10
  # - cmd: ip route add fc00:1::10/128 encap seg6local action End.DT4 vrftable 10 dev CUST-A
  # - cmd: ip route add 192.168.1.0/24 vrf CUST-A nexthop encap seg6 mode encap segs fc00:2::10 dev net10

  - cmd: sed -i -e 's/bgpd=no/bgpd=yes/g' /etc/frr/daemons
  - cmd: /usr/lib/frr/frrinit.sh start

- name: R2
  cmds:
  - cmd: ip addr add 2001:13::2/64 dev net10
  - cmd: ip addr add 192.168.1.1/24 dev net2

  - cmd: ip link add CUST-A type vrf table 10
  - cmd: ip link set CUST-A up
  - cmd: ip link set net2 vrf CUST-A

  # - cmd: ip route add fc00:1::10 via 2001:13::1 dev net10
  # - cmd: ip route add fc00:2::10/128 encap seg6local action End.DT4 vrftable 10 dev CUST-A
  # - cmd: ip route add 192.168.0.0/24 vrf CUST-A nexthop encap seg6 mode encap segs fc00:1::10 dev net10

  - cmd: sed -i -e 's/bgpd=no/bgpd=yes/g' /etc/frr/daemons
  - cmd: /usr/lib/frr/frrinit.sh start

- name: HostA1
  cmds:
  - cmd: ip addr add 192.168.0.2/24 dev net0
  - cmd: ip route add default via 192.168.0.1
- name: HostA2
  cmds:
  - cmd: ip addr add 192.168.1.2/24 dev net0
  - cmd: ip route add default via 192.168.1.1