Command Manual – DHCP
H3C S7500E Series Ethernet Switches
Chapter 2 DHCP Relay Agent Configuration
Commands
2-7
View
System view
Parameters
interval: Refreshing interval in seconds, in the range of 1 to 120.
auto: Specifies the auto refreshing interval, which is the value of 60 seconds divided by
the number of binding entries. Thus, the more entries are, the shorter interval is, but the
shortest interval is no less than 500 ms.
Description
Use the dhcp relay security tracker command to set a refreshing interval at which the
relay agent contacts the DHCP server for refreshing dynamic bindings.
Use the undo dhcp relay security tracker command to restore the default interval.
The default handshake interval is auto, the value of 60 seconds divided by the number
of binding entries.
Examples
# Set the handshake interval as 100 seconds.
<Sysname> system-view
[Sysname] dhcp relay security tracker 100
2.1.9 dhcp relay server-detect
Syntax
dhcp relay server-detect
undo dhcp relay server-detect
View
System view
Parameters
None
Description
Use the dhcp relay server-detect command to enable unauthorized DHCP server
detection.
Use the undo dhcp relay server-detect command to disable unauthorized DHCP
server detection.
By default, unauthorized DHCP server detection is disabled.
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