| Solution |
FortiGate BGP neighbor command output consists of Connection status information, which provides details about the TCP connection.
Fortinet1 # get router info bgp neighbors 2.2.2.2
VRF 0 neighbor table:
BGP neighbor is 2.2.2.2, remote AS 64512, local AS 64512, internal link
BGP version 4, remote router ID 10.10.20.1
BGP state = Established, up for 00:54:11
Last read 00:00:13, hold time is 180, keepalive interval is 60 seconds
Configured hold time is 180, keepalive interval is 60 seconds
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Connections established 8; dropped 7
Local host: 1.1.1.1, Local port: 5781 <-----
Foreign host: 2.2.2.2, Foreign port: 179 <----- Foreign port as 179 indicates TCP connection was initiated by local FortiGate.
Egress interface: 5
Nexthop: 1.1.1.1
Nexthop interface: lp2
Nexthop global: ::
Nexthop local: ::
BGP connection: non shared network
Last Reset: 00:56:00, due to BGP Notification sent
Notification Error Message: (CeaseUnspecified Error Subcode)
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Fortinet2 # get router info bgp nei 1.1.1.1
VRF 0 neighbor table:
BGP neighbor is 1.1.1.1, remote AS 64512, local AS 64512, internal link
BGP version 4, remote router ID 10.10.50.1
BGP state = Established, up for 00:57:20
Last read 00:00:09, hold time is 180, keepalive interval is 60 seconds
Configured hold time is 180, keepalive interval is 60 seconds
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Connections established 8; dropped 7
Local host: 2.2.2.2, Local port: 179 <----- Local port as indicates, TCP connection came from remote BGP peer.
Foreign host: 1.1.1.1, Foreign port: 5781
Egress interface: 4
Nexthop: 2.2.2.2
Nexthop interface: loopback1
Nexthop global: ::
Nexthop local: ::
BGP connection: non shared network
Last Reset: 00:59:09, due to BGP Notification received
Notification Error Message: (CeaseUnspecified Error Subcode)
Related article:
Technical Tip: Configuring IBGP and EBGP neighborship |
