3Com Switch 4800G 24-Port Configuration Manual page 389

Prerequisites
Configuration Procedure
Before configuring this task, you have configured BGP basic functions
Follow these steps to tune and optimize BGP networks:
To do...
Enter system view
Enter BGP view
Configure BGP Configure
timers keepalive
interval and
holdtime
Configure
keepalive
interval and
holdtime for a
peer/peer group
Configure the interval for sending
the same update to a peer/peer
group
Configure BGP Disable BGP
soft reset route-refresh
and
multi-protocol
extensions for a
peer/peer group
Enable BGP
route refresh for
a peer/peer
group
Keep all original
routes from a
peer/peer group
regardless of
whether they
pass the
inbound filtering
policy
Return to user
view
Perform manual
soft reset on
BGP connections
Enter system
view
Enter BGP view
Enable the clearing of the direct
EBGP session on any interface that
becomes down
Enable MD5 authentication when
establishing a TCP connection to
the peer/peer group
Tuning and Optimizing BGP Networks
Use the command...
system-view
bgp as-number
timer keepalive
keepalive hold holdtime
peer { group-name |
ip-address } timer
keepalive keepalive hold
holdtime
peer { group-name |
ip-address }
route-update-interval
seconds
peer { group-name |
ip-address }
capability-advertise
conventional
peer { group-name |
ip-address }
capability-advertise
route-refresh
peer { group-name |
ip-address }
keep-all-routes
return
refresh bgp { all |
ip-address | group
group-name | external |
internal } { export |
import }
system-view
bgp as-number
ebgp-interface-sensitiv
e
peer { group-name |
ip-address } password
{ cipher | simple }
password
389
Remarks
-
-
Optional
The keepalive interval
defaults to 60 seconds,
holdtime defaults to 180
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.
Optional
Enabled by default
Optional
Enabled by default
Optional
Not kept by default
-
Required
-
-
Optional
Enabled by default
Optional
Enabled by default