Displaying DHCP Snooping and Trusted Server Information
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Display the DHCP snooping
configuration settings using the command:
show ip-security dhcp-snooping {vlan} vlan_nameBelow is sample output from this command:
DHCP Snooping enabled on ports: 1:2, 1:3, 1:4, 1:7, 1:9 Trusted Ports: 1:7 Trusted DHCP Servers: None -------------------------------------------- Port Violation-action -------------------------------------------- 1:2 none 1:3 drop-packet 1:4 drop-packet, block-mac permanently 1:7 none 1:9 drop-packet, snmp-trap
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Display the DHCP bindings database using the
command:
show ip-security dhcp-snooping entries {vlan} vlan_nameBelow is sample output from this command:
-------------------------------------------- Vlan: dhcpVlan -------------------------------------------- Server Client IP Addr MAC Addr Port Port ------- -------- ------ ------ 172.16.100.9 00:90:27:c6:b7:65 1:1 1:2