Dhcp Snooping Commands; Table 4-42 Dhcp Snooping Commands - SMC Networks 8126PL2-F - annexe 1 Management Manual

Example
Console#show network-access mac-address-table
---- ----------------- --------------- --------- -------------------------
Port MAC-Address
---- ----------------- --------------- --------- -------------------------
1/1 00-00-01-02-03-04 172.155.120.17
1/1 00-00-01-02-03-05 172.155.120.17
1/1 00-00-01-02-03-06 172.155.120.17
1/3 00-00-01-02-03-07 172.155.120.17
Console#

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.
Command
ip dhcp snooping
ip dhcp snooping vlan
ip dhcp snooping trust
ip dhcp snooping verify
mac-address
ip dhcp snooping
information option
ip dhcp snooping
information policy
show ip dhcp snooping
show ip dhcp snooping
binding
RADIUS-Server

Table 4-42 DHCP Snooping Commands

Function
Enables DHCP snooping globally
Enables DHCP snooping on the specified VLAN
Configures the specified interface as trusted
Verifies the client's hardware address stored in the DHCP
packet against the source MAC address in the Ethernet header
Enables or disables DHCP Option 82 information relay
Sets the information option policy for DHCP client packets that
include Option 82 information
Shows the DHCP snooping configuration settings
Shows the DHCP snooping binding table entries
General Security Measures
Attribute Time
Static 00d06h32m50s
Dynamic 00d06h33m20s
Static 00d06h35m10s
Dynamic 00d06h34m20s
4
Mode Page
GC 4-132
GC 4-133
IC 4-134
GC 4-135
GC 4-136
GC 4-137
PE 4-138
PE 4-138
4-131