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177 lines
6.7 KiB
ReStructuredText
177 lines
6.7 KiB
ReStructuredText
:lastproofread: 2021-06-28
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.. _examples-bgp-ipv6-unnumbered:
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#########################################
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BGP IPv6 unnumbered with extended nexthop
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#########################################
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General information can be found in the :ref:`routing-bgp` chapter.
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Configuration
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=============
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- Router A:
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.. code-block:: none
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set protocols bgp system-as 64496
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set protocols bgp address-family ipv4-unicast redistribute connected
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set protocols bgp address-family ipv6-unicast redistribute connected
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set protocols bgp neighbor eth1 interface v6only
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set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp neighbor eth2 interface v6only
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set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp parameters bestpath as-path multipath-relax
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set protocols bgp parameters bestpath compare-routerid
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set protocols bgp parameters default no-ipv4-unicast
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set protocols bgp parameters router-id '192.168.0.1'
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set protocols bgp peer-group fabric address-family ipv4-unicast
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set protocols bgp peer-group fabric address-family ipv6-unicast
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set protocols bgp peer-group fabric capability extended-nexthop
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set protocols bgp peer-group fabric remote-as 'external'
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- Router B:
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.. code-block:: none
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set protocols bgp system-as 64499
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set protocols bgp address-family ipv4-unicast redistribute connected
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set protocols bgp address-family ipv6-unicast redistribute connected
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set protocols bgp neighbor eth1 interface v6only
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set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp neighbor eth2 interface v6only
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set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp parameters bestpath as-path multipath-relax
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set protocols bgp parameters bestpath compare-routerid
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set protocols bgp parameters default no-ipv4-unicast
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set protocols bgp parameters router-id '192.168.0.2'
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set protocols bgp peer-group fabric address-family ipv4-unicast
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set protocols bgp peer-group fabric address-family ipv6-unicast
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set protocols bgp peer-group fabric capability extended-nexthop
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set protocols bgp peer-group fabric remote-as 'external'
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Results
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=======
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- Router A:
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.. code-block:: none
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vyos@vyos:~$ show interfaces
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Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
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Interface IP Address S/L Description
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--------- ---------- --- -----------
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eth0 198.51.100.34/24 u/u
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eth1 - u/u
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eth2 - u/u
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lo 127.0.0.1/8 u/u
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192.168.0.1/32
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::1/128
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.. code-block:: none
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vyos@vyos:~$ show ip route
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Codes: K - kernel route, C - connected, S - static, R - RIP,
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O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
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T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
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F - PBR, f - OpenFabric,
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> - selected route, * - FIB route
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S>* 0.0.0.0/0 [210/0] via 198.51.100.34, eth0, 03:21:53
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C>* 198.51.100.0/24 is directly connected, eth0, 03:21:53
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C>* 192.168.0.1/32 is directly connected, lo, 03:21:56
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B>* 192.168.0.2/32 [20/0] via fe80::a00:27ff:fe3b:7ed2, eth2, 00:05:07
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* via fe80::a00:27ff:fe7b:4000, eth1, 00:05:07
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.. code-block:: none
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vyos@vyos:~$ ping 192.168.0.2
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PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data.
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64 bytes from 192.168.0.2: icmp_seq=1 ttl=64 time=0.575 ms
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64 bytes from 192.168.0.2: icmp_seq=2 ttl=64 time=0.628 ms
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64 bytes from 192.168.0.2: icmp_seq=3 ttl=64 time=0.581 ms
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64 bytes from 192.168.0.2: icmp_seq=4 ttl=64 time=0.682 ms
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64 bytes from 192.168.0.2: icmp_seq=5 ttl=64 time=0.597 ms
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--- 192.168.0.2 ping statistics ---
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5 packets transmitted, 5 received, 0% packet loss, time 4086ms
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rtt min/avg/max/mdev = 0.575/0.612/0.682/0.047 ms
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.. code-block:: none
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vyos@vyos:~$ show ip bgp summary
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IPv4 Unicast Summary:
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BGP router identifier 192.168.0.1, local AS number 65020 vrf-id 0
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BGP table version 4
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RIB entries 5, using 800 bytes of memory
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Peers 2, using 41 KiB of memory
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Peer groups 1, using 64 bytes of memory
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Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
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eth1 4 64499 13 13 0 0 0 00:05:33 2
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eth2 4 64499 13 14 0 0 0 00:05:29 2
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Total number of neighbors 2
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- Router B:
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.. code-block:: none
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vyos@vyos:~$ show interfaces
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Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
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Interface IP Address S/L Description
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--------- ---------- --- -----------
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eth0 198.51.100.33/24 u/u
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eth1 - u/u
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eth2 - u/u
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lo 127.0.0.1/8 u/u
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192.168.0.2/32
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::1/128
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.. code-block:: none
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vyos@vyos:~$ show ip route
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Codes: K - kernel route, C - connected, S - static, R - RIP,
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O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
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T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
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F - PBR, f - OpenFabric,
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> - selected route, * - FIB route
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S>* 0.0.0.0/0 [210/0] via 198.51.100.33, eth0, 00:44:08
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C>* 198.51.100.0/24 is directly connected, eth0, 00:44:09
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B>* 192.168.0.1/32 [20/0] via fe80::a00:27ff:fe2d:205d, eth1, 00:06:18
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* via fe80::a00:27ff:fe93:e142, eth2, 00:06:18
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C>* 192.168.0.2/32 is directly connected, lo, 00:44:11
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.. code-block:: none
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vyos@vyos:~$ ping 192.168.0.1
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PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
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64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=0.427 ms
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64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=0.471 ms
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64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=0.782 ms
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64 bytes from 192.168.0.1: icmp_seq=4 ttl=64 time=0.715 ms
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--- 192.168.0.1 ping statistics ---
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4 packets transmitted, 4 received, 0% packet loss, time 3051ms
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rtt min/avg/max/mdev = 0.427/0.598/0.782/0.155 ms
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.. code-block:: none
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vyos@vyos:~$ show ip bgp summary
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IPv4 Unicast Summary:
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BGP router identifier 192.168.0.2, local AS number 65021 vrf-id 0
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BGP table version 4
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RIB entries 5, using 800 bytes of memory
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Peers 2, using 41 KiB of memory
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Peer groups 1, using 64 bytes of memory
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Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
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eth1 4 64496 14 14 0 0 0 00:06:40 2
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eth2 4 64496 14 14 0 0 0 00:06:37 2
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Total number of neighbors 2
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