H3C S7500E Series Command Manual page 486

Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches
ip-address: IP address of a peer.
keepalive: Keepalive interval in seconds, ranging from 1 to 21845.
holdtime: Holdtime interval in seconds, ranging from 3 to 65535.
Description
Use the peer timer command to configure the keepalive interval and holdtime interval
for a peer or peer group.
Use the undo peer timer command to restore the default.
By default, the keepalive and holdtime are 60s and 180s respectively.
Note that:
The timer configured with this command is preferred to the timer configured with
the timer command.
The holdtime interval must be at least three times the keepalive interval.
Related commands: timer.
Examples
# In BGP view, configure the keepalive interval and holdtime interval for peer group test
as 40s and 120s.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] peer test timer keepalive 40 hold 120
5.1.68 preference
Syntax
preference { external-preference internal-preference local-preference | route-policy
route-policy-name }
undo preference
View
BGP view
Parameters
external-preference: Preference of EBGP routes, in the range 1 to 255.
internal-preference: Preference of IBGP routes, in the range 1 to 255.
local-preference: Preference of local routes, in the range 1 to 255.
route-policy-name: Routing policy name, a string of 1 to 19 characters. Using the
routing policy can set a preference for routes passing through it. The default value
applies to routes filtered out.
Chapter 5 BGP Configuration Commands
5-57