EdgeRouter BGP base configuration – part 1

edgerouter x bgp

Base configuration BGP Peer 1

ipv4/v6 address

set interfaces ethernet eth0 vif 64 address 93.155.130.38/30
set interfaces ethernet eth0 vif 64 address '2001:678:904::2/112'

IPv4 Peer 1 configurations

set protocols bgp 47453 neighbor 93.155.130.37 remote-as 47453
set protocols bgp 47453 neighbor 93.155.130.37 soft-reconfiguration inbound

IPv6 Peer 1 configurations

set protocols bgp 47453 neighbor '2001:678:904::1' address-family ipv6-unicast soft-reconfiguration inbound
set protocols bgp 47453 neighbor '2001:678:904::1' remote-as 47453

Test configuration BGP Peer 1

test IPv4 connection peer

admin@edgerouter# run show ip bgp summary 

Neighbor                 V   AS   MsgRcv    MsgSen TblVer   InQ   OutQ    Up/Down   State/PfxRcd
93.155.130.37            4 47453  2567      8803   22075      0      0    1m        42

test IPv6 connection peer

admin@edgerouter# run show ipv6 bgp summary 

Neighbor                 V   AS   MsgRcv    MsgSen TblVer   InQ   OutQ    Up/Down   State/PfxRcd
2001:678:904::1          4 47453  2518      2210      60      0      0    1m        11

IPv4 Peer 1 received routes

admin@edgerouter# run show ip bgp neighbors 93.155.130.37 received-routes 

    Network          Next Hop            Metric    LocPrf       Weight Path
*>i 10.0.0.0         93.155.130.91                 100          0        ?
*>i 10.10.15.0/24    93.155.130.91                 100          0        ?
*>i 10.19.0.0/16     93.155.130.91                 100          0        ?

IPv4 Peer 1 advertised routes

admin@edgerouter# run show ip bgp neighbors 93.155.130.37 advertised-routes 

    Network          Next Hop            Metric    LocPrf       Weight Path
*>i 2.56.52.0/22     93.155.130.18                 100          0       44901 31287 41280 i
*>i 2.57.216.0/22    93.155.130.18                 100          0       44901 47872 49628 209012 i
*>i 5.10.32.0/21     93.155.130.18                 100          0       44901 47872 20771 20771 199045 i
*>i 5.10.34.0/24     93.155.130.18                 100          0       44901 47872 20771 20771 199045 i
*>i 5.10.35.0/24     93.155.130.18                 100          0       44901 47872 20771 20771 199045 i
*>i 5.10.38.0/24     93.155.130.18                 100          0       44901 47872 20771 20771 199045 i
*>i 5.10.39.0/24     93.155.130.18                 100          0       44901 47872 20771 20771 199045 i

IPv6 Peer 1 received routes

admin@edgerouter# run show ipv6 bgp neighbors 2001:678:904::1 received-routes 

    Network          Next Hop            Metric    LocPrf       Weight Path
*>i 2001:678:904::/48
                    2001:678:904::1(fe80::764d:28ff:fe86:1f1c)
                                                   100          0        i
*>i 2001:678:904::/112
                    2001:678:904::1(fe80::764d:28ff:fe86:1f1c)
                                                   100          0        ?
*>i 2001:678:904::2:0/112
                    2001:678:904::1(fe80::764d:28ff:fe86:1f1c)

IPv6 Peer 1 advertised routes

admin@edgerouter# run show ipv6 bgp neighbors 2001:678:904::1 advertised-routes 

    Network          Next Hop            Metric    LocPrf       Weight Path
*>i 2001:678:904::/112
                    2001:678:904::2(fe80::b6fb:e4ff:fe1a:57ef)
                                                   100          32768    ?
*>i 2001:678:904::5:0/112
                    2001:678:904::2(fe80::b6fb:e4ff:fe1a:57ef)
                                                   100          32768    ?
*>i 2001:678:904:1::/64
                    2001:678:904::2(fe80::b6fb:e4ff:fe1a:57ef)

Base configuration BGP Peer 2

set interfaces ethernet eth5 vif 50 address 93.155.130.90/29
set interfaces ethernet eth5 vif 50 address '2001:678:904:2::2/64'

set protocols bgp 47453 neighbor 93.155.130.89 remote-as 47453
set protocols bgp 47453 neighbor 93.155.130.89 soft-reconfiguration inbound

set protocols bgp 47453 neighbor '2001:678:904:2::1' address-family ipv6-unicast soft-reconfiguration inbound
set protocols bgp 47453 neighbor '2001:678:904:2::1' remote-as 47453

Base configuration BGP Peer 3

set interfaces tunnel tun1 address 93.155.130.17/30
set interfaces tunnel tun1 address '2001:678:904::5:1/112'

set protocols bgp 47453 neighbor 93.155.130.18 remote-as 44901
set protocols bgp 47453 neighbor 93.155.130.18 soft-reconfiguration inbound

set protocols bgp 47453 neighbor '2001:678:904::5:2' address-family ipv6-unicast soft-reconfiguration inbound
set protocols bgp 47453 neighbor '2001:678:904::5:2' remote-as 44901

Show IPv4 BGP Peers

admin@edgerouter# run show ip bgp summary
BGP router identifier 93.155.130.38, local AS number 47453
BGP table version is 22492
396 BGP AS-PATH entries
118 BGP community entries

Neighbor                 V   AS   MsgRcv    MsgSen TblVer   InQ   OutQ    Up/Down   State/PfxRcd
93.155.130.18            4 44901 12557       4637   22492      0      0  21:00:32            2173
93.155.130.37            4 47453 2698       9038   22492      0      0  1d14h30m              42
93.155.130.89            4 47453 2689       9007   22492      0      0  1d14h30m              42
2001:678:904::1          4 47453 2651       2325   22492      0      0  1d14h30m               0
2001:678:904::5:2        4 44901 4814       4622   22492      0      0  21:00:35               0
2001:678:904:2::1        4 47453 2652       2322   22492      0      0  1d14h30m               0

Total number of neighbors 6

Total number of Established sessions 6

Show IPv6 BGP Peers

admin@edgerouter# run show ipv6 bgp summary
BGP router identifier 93.155.130.38, local AS number 47453
BGP table version is 60
396 BGP AS-PATH entries
118 BGP community entries

Neighbor                 V   AS   MsgRcv    MsgSen TblVer   InQ   OutQ    Up/Down   State/PfxRcd
2001:678:904::1          4 47453 2652       2326      60      0      0  1d14h31m              11
2001:678:904::5:2        4 44901 4817       4625      60      0      0  21:01:52               3
2001:678:904:2::1        4 47453 2654       2323      60      0      0  1d14h31m              11

Total number of neighbors 3

Total number of Established sessions 3

Show BGP prefix

admin@edgerouter# run show ip bgp 93.155.130.0/24
BGP routing table entry for 93.155.130.0/24
Paths: (2 available, best #1, table Default-IP-Routing-Table)
  Advertised to non peer-group peers:
  93.155.130.18
  Local
    93.155.130.89 from 93.155.130.89 (93.155.130.9)
      Origin IGP, metric 0, localpref 200, valid, internal, best
      Last update: Mon Aug 24 09:31:15 2020

  Local
    93.155.130.37 from 93.155.130.37 (93.155.130.9)
      Origin IGP, metric 0, localpref 100, valid, internal
      Last update: Mon Aug 24 09:31:15 2020

Show ip route atribute

admin@edgerouter# run show ip route 
Codes: K - kernel, C - connected, S - static, R - RIP, B - BGP
       O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       > - selected route, * - FIB route, p - stale info

IP Route Table for VRF "default"
S    *> 0.0.0.0/0 [1/0] via 93.155.130.37, eth0.64
S       0.0.0.0/0 [200/0] via 93.155.130.91, eth5.50
B    *> 2.56.52.0/22 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 2.57.216.0/22 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.10.32.0/21 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.10.34.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.10.35.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.10.38.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.10.39.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.32.128.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 5.32.129.0/24 [20/0] via 93.155.130.18, tun1, 03:55:53
B    *> 5.32.130.0/24 [20/0] via 93.155.130.18, tun1, 20:21:24
B    *> 10.0.0.0/8 [20/0] via 93.155.130.91, eth5.50, 1d13h55m
B    *> 10.10.15.0/24 [20/0] via 93.155.130.91, eth5.50, 1d13h55m
B    *> 10.19.0.0/16 [20/0] via 93.155.130.91, eth5.50, 1d13h55m
C    *> 93.155.130.16/30 is directly connected, tun1
C    *> 93.155.130.36/30 is directly connected, eth0.64
C    *> 93.155.130.88/29 is directly connected, eth5.50
B    *> 93.155.131.0/24 [20/0] via 93.155.130.89, eth5.50, 1d13h56m
B    *> 93.155.169.0/24 [20/0] via 85.118.95.6 (recursive via 93.155.130.89 ), 1d13h55m
C    *> 127.0.0.0/8 is directly connected, lo
B    *> 172.16.20.0/24 [20/0] via 93.155.130.37, eth0.64, 1d13h55m
B    *> 172.16.60.0/24 [20/0] via 93.155.130.37, eth0.64, 1d13h55m

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