Cisco BGP
From HackerNet
Border Gateway Protocol kommunicerar på TCP port 179.
Contents
States
TCP
Idle State
ConnectRetry timer 120 sekunder
Connect State
Active State
BGP speaker försöker nå peer med TCP
BGP
OpenSent State
BGP version, AS number, hold time, BGP ID
Börja skicka keepalives
OpenConfirm State
Established State
Skicka uppdateringar
Neighbor up
Konfiguration
router bgp [ASN]
iBGP eller eBGP
neighbor [ip-address] remote-as [ASN]
Loopback
neighbor [ip-address] update-source [interface]
eBGP om det ej är directly connected, t.ex. loopback
neighbor [ip-address] ebgp-multihop 2 neighbor [ip-address] next-hop-self
MD5
neighbor [ip-address] password cisco
network [ip-address] mask [subnet-mask]
bgp default local-preference 100 no synchronization
Show
show ip bgp summary show ip bgp neighbor
Reset
clear ip bgp *