1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
|
.. _examples-bgp-ipv6-unnumbered:
VyOS BGP ipv6 unnumbered with extended nexthop
----------------------------------------------
General infomration can be found in the :ref:`routing-bgp` chapter.
Configuration
^^^^^^^^^^^^^
- Router A:
.. code-block:: sh
set protocols bgp 65020 address-family ipv4-unicast redistribute connected
set protocols bgp 65020 address-family ipv6-unicast redistribute connected
set protocols bgp 65020 neighbor eth1 interface v6only
set protocols bgp 65020 neighbor eth1 interface v6only peer-group 'fabric'
set protocols bgp 65020 neighbor eth2 interface v6only
set protocols bgp 65020 neighbor eth2 interface v6only peer-group 'fabric'
set protocols bgp 65020 parameters bestpath as-path multipath-relax
set protocols bgp 65020 parameters bestpath compare-routerid
set protocols bgp 65020 parameters default no-ipv4-unicast
set protocols bgp 65020 parameters router-id '192.168.0.1'
set protocols bgp 65020 peer-group fabric address-family ipv4-unicast
set protocols bgp 65020 peer-group fabric address-family ipv6-unicast
set protocols bgp 65020 peer-group fabric capability extended-nexthop
set protocols bgp 65020 peer-group fabric remote-as 'external'
- Router B:
.. code-block:: sh
set protocols bgp 65021 address-family ipv4-unicast redistribute connected
set protocols bgp 65021 address-family ipv6-unicast redistribute connected
set protocols bgp 65021 neighbor eth1 interface v6only
set protocols bgp 65021 neighbor eth1 interface v6only peer-group 'fabric'
set protocols bgp 65021 neighbor eth2 interface v6only
set protocols bgp 65021 neighbor eth2 interface v6only peer-group 'fabric'
set protocols bgp 65021 parameters bestpath as-path multipath-relax
set protocols bgp 65021 parameters bestpath compare-routerid
set protocols bgp 65021 parameters default no-ipv4-unicast
set protocols bgp 65021 parameters router-id '192.168.0.2'
set protocols bgp 65021 peer-group fabric address-family ipv4-unicast
set protocols bgp 65021 peer-group fabric address-family ipv6-unicast
set protocols bgp 65021 peer-group fabric capability extended-nexthop
set protocols bgp 65021 peer-group fabric remote-as 'external'
Results
^^^^^^^^^^^^^
- Router A:
.. code-block:: sh
vyos@vyos:~$ show interfaces
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 62.104.XXX.XXX/24 u/u
eth1 - u/u
eth2 - u/u
lo 127.0.0.1/8 u/u
192.168.0.1/32
::1/128
.. code-block:: sh
vyos@vyos:~$ show ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR, f - OpenFabric,
> - selected route, * - FIB route
S>* 0.0.0.0/0 [210/0] via 62.104.XXX.XXX, eth0, 03:21:53
C>* 62.104.56.0/24 is directly connected, eth0, 03:21:53
C>* 192.168.0.1/32 is directly connected, lo, 03:21:56
B>* 192.168.0.2/32 [20/0] via fe80::a00:27ff:fe3b:7ed2, eth2, 00:05:07
* via fe80::a00:27ff:fe7b:4000, eth1, 00:05:07
.. code-block:: sh
vyos@vyos:~$ ping 192.168.0.2
PING 192.168.0.2 (192.168.0.2) 56(84) bytes of data.
64 bytes from 192.168.0.2: icmp_seq=1 ttl=64 time=0.575 ms
64 bytes from 192.168.0.2: icmp_seq=2 ttl=64 time=0.628 ms
64 bytes from 192.168.0.2: icmp_seq=3 ttl=64 time=0.581 ms
64 bytes from 192.168.0.2: icmp_seq=4 ttl=64 time=0.682 ms
64 bytes from 192.168.0.2: icmp_seq=5 ttl=64 time=0.597 ms
--- 192.168.0.2 ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4086ms
rtt min/avg/max/mdev = 0.575/0.612/0.682/0.047 ms
.. code-block:: sh
vyos@vyos:~$ show ip bgp summary
IPv4 Unicast Summary:
BGP router identifier 192.168.0.1, local AS number 65020 vrf-id 0
BGP table version 4
RIB entries 5, using 800 bytes of memory
Peers 2, using 41 KiB of memory
Peer groups 1, using 64 bytes of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
eth1 4 65021 13 13 0 0 0 00:05:33 2
eth2 4 65021 13 14 0 0 0 00:05:29 2
Total number of neighbors 2
- Router B:
.. code-block:: sh
vyos@vyos:~$ show interfaces
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 62.104.XXX.XXX/24 u/u
eth1 - u/u
eth2 - u/u
lo 127.0.0.1/8 u/u
192.168.0.2/32
::1/128
.. code-block:: sh
vyos@vyos:~$ show ip route
Codes: K - kernel route, C - connected, S - static, R - RIP,
O - OSPF, I - IS-IS, B - BGP, E - EIGRP, N - NHRP,
T - Table, v - VNC, V - VNC-Direct, A - Babel, D - SHARP,
F - PBR, f - OpenFabric,
> - selected route, * - FIB route
S>* 0.0.0.0/0 [210/0] via 62.104.XXX.XXX, eth0, 00:44:08
C>* 62.104.56.0/24 is directly connected, eth0, 00:44:09
B>* 192.168.0.1/32 [20/0] via fe80::a00:27ff:fe2d:205d, eth1, 00:06:18
* via fe80::a00:27ff:fe93:e142, eth2, 00:06:18
C>* 192.168.0.2/32 is directly connected, lo, 00:44:11
.. code-block:: sh
vyos@vyos:~$ ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
64 bytes from 192.168.0.1: icmp_seq=1 ttl=64 time=0.427 ms
64 bytes from 192.168.0.1: icmp_seq=2 ttl=64 time=0.471 ms
64 bytes from 192.168.0.1: icmp_seq=3 ttl=64 time=0.782 ms
64 bytes from 192.168.0.1: icmp_seq=4 ttl=64 time=0.715 ms
--- 192.168.0.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3051ms
rtt min/avg/max/mdev = 0.427/0.598/0.782/0.155 ms
.. code-block:: sh
vyos@vyos:~$ show ip bgp summary
IPv4 Unicast Summary:
BGP router identifier 192.168.0.2, local AS number 65021 vrf-id 0
BGP table version 4
RIB entries 5, using 800 bytes of memory
Peers 2, using 41 KiB of memory
Peer groups 1, using 64 bytes of memory
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
eth1 4 65020 14 14 0 0 0 00:06:40 2
eth2 4 65020 14 14 0 0 0 00:06:37 2
Total number of neighbors 2
|
