Dhcp snooping commands, Dhcp snooping commands -10, Table 22-4 dhcp snooping commands -10 – SMC Networks SMC TigerAccess SMC7824M/FSW User Manual

Page 504

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C

LIENT

S

ECURITY

C

OMMANDS

22-10

DHCP Snooping Commands

DHCP snooping allows a switch to protect a network from rogue DHCP
servers or other devices which send port-related information to a DHCP
server. This information can be useful in tracking an IP address back to a
physical port. This section describes commands used to configure DHCP
snooping.

Table 22-4 DHCP Snooping Commands

Command

Function

Mode Page

ip dhcp
snooping

Enables DHCP snooping globally

GC

22-11

ip dhcp
snooping vlan

Enables DHCP snooping on the specified
VLAN

GC

22-13

ip dhcp
snooping
binding

Adds a static address to the DHCP snooping
table

GC

22-14

ip dhcp
snooping verify
mac-address

Verifies the client’s hardware address stored in
the DHCP packet against the source MAC
address in the Ethernet header

GC

22-16

ip dhcp
snooping
database flash

Writes all dynamically learned snooping entries
to flash memory

GC

22-17

ip dhcp
snooping trust

Configures the specified interface as trusted

IC

22-17

show ip dhcp
snooping

Shows the DHCP snooping configuration
settings

PE

22-18

show ip dhcp
snooping
binding

Shows the DHCP snooping binding table entries PE

22-19

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