Dhcp Snooping Configuration Commands - 3Com S7906E Command Reference Manual

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DHCP Snooping Configuration Commands

DHCP snooping supports no link aggregation. If an Ethernet port is added into an aggregation
group, DHCP snooping configuration on it will not take effect. When the port is removed from the
group, DHCP snooping can take effect.
The DHCP snooping enabled switch does not work if it is between the DHCP relay agent and
DHCP server, and it can work when it is between the DHCP client and relay agent or between the
DHCP client and server.
The DHCP snooping enabled switch cannot be a DHCP server or DHCP relay agent.
You are not recommended to enable the DHCP client, and DHCP snooping on the same switch.
Otherwise, DHCP snooping entries may fail to be generated, or the DHCP client may fail to obtain
an IP address.
DHCP Snooping Configuration Commands
dhcp-snooping
Syntax
dhcp-snooping
undo dhcp-snooping
View
System view
Default Level
2: System level
Parameters
None
Description
Use the dhcp-snooping command to enable DHCP snooping.
Use the undo dhcp-snooping command to disable DHCP snooping.
With DHCP snooping disabled, all ports can forward responses from any DHCP servers and does not
record binding information about MAC addresses of DHCP clients and the obtained IP addresses.
By default, DHCP snooping is disabled.
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