H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 5 BGP Configuration
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bgp command to soft-reset BGP connections, to refresh the BGP routing table and
apply the new policy without tearing down BGP connections.
3) Configure BGP authentication
BGP employs TCP as the transport protocol. To enhance security, you can configure
BGP to perform MD5 authentication when establishing a TCP connection. BGP MD5
authentication is not for BGP packets. It is used to set passwords for TCP connections.
If the authentication fails, the TCP connection can not be established.
5.6.1 Prerequisites
Before configuring this task, you have configured BGP basic functions
5.6.2 Configuration Procedure
Follow these steps to tune and optimize BGP networks:
To do… Use the command… Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
—
Configure
keepalive
interval and
holdtime
timer keepalive keepalive
hold holdtime
Configure
BGP timers
Configure
keepalive
interval and
holdtime for a
peer/peer
group
peer { group-name |
ip-address } timer
keepalive keepalive hold
holdtime
Optional
The keepalive
interval defaults to
60 seconds,
holdtime defaults
to 180 seconds.
Configure the interval for
sending the same update to a
peer/peer group
peer { group-name |
ip-address }
route-update-interval
seconds
Optional
The intervals for
sending the same
update to an IBGP
peer and an EBGP
peer default to 15
seconds and 30
seconds
respectively.