Meanings of BGP peer status

In addition to the common Idle and Established status, BGP peer also has the following status:

1. active: indicates that the TCP connection of the BGP session has not been established.
2. no neg: indicates that the negotiation is not performed. If IPv4 Unicast is configured at one end, and IPv4 Unicast and IPv4 Multicast are configured at the other end, after the peer is established, you can discover that IPv4 Unicast negotiation succeeds, and the BGP peer is in Established status. However, the IPv4 Multicast is in no neg status in that IPv4 Multicast is not configured at one end.
3. Idle (Admin): indicates the BGP peer is proactively disabled, and there is no attempt to establish it again. If the peer ignore command is executed, or this peer is set to be down through the MIB, this peer remains in this status.

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