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dhcp-snooping

OVERVIEW

Category:

configPrimary context:

Related Commands

Usage: [no] dhcp-snooping

Description: Enable/Disable the global administrative status of

DHCP snooping. No snooping will be performed on

any VLAN if the global administrative status is disabled.

The default state is disabled.

COMMAND STRUCTURE

■ [no] dhcp-snooping authorized-server -- Configure valid DHCP Servers (p. 159)

■ NONAME1 -- DHCP Server address. (IP-ADDR) (p. 160)

■ [no] dhcp-snooping database -- Configure lease database transfer options (p. 159)

■ delay < 15 to 86400 > -- Seconds to delay writing to the lease database file. (p. 160)

■ file -- URL Format: "tftp://<ip-address>/<filename>". (ASCII-STR) (p. 160)

■ timeout < 0 to 86400 > -- Seconds to wait for the transfer before failing. (p. 161)

■ [no] dhcp-snooping option -- Configure DHCP snooping operational behavior (p. 160)

■ 82 -- (p. 158)

■ remote-id < mac | subnet-ip | mgmt-ip > -- Set relay information option remote-id value to

use. (NUMBER) (p. 161)

■ untrusted-policy < drop | keep | replace > -- Policy for DHCP packets received on untrusted

ports thatcontain option 82. (NUMBER) (p. 161)

■ [no] dhcp-snooping trust -- Configure trusted interfaces (p. 161)

■ port-list -- ([ethernet] PORT-LIST) (p. 161)

■ [no] dhcp-snooping verify -- Enable/Disable DHCP packet validation (p. 161)

■ mac -- Verify DHCP header client hardware address. (p. 160)

■ [no] dhcp-snooping vlan -- Enable/Disable snooping on a VLAN (VLAN-ID-RANGE) (p. 162)

■ vlan-list -- (VLAN-ID-RANGE) (p. 162)

COMMAND DETAILS

untrusted-policy (p. 161)NONAME1 (p. 160)82 (p. 158)

verify (p. 161)option (p. 160)authorized-server (p. 159)

vlan (p. 162)port-list (p. 161)database (p. 159)

vlan-list (p. 162)remote-id (p. 161)delay (p. 160)

timeout (p. 161)file (p. 160)

trust (p. 161)mac (p. 160)

■ [no] dhcp-snooping option 82

Next Available Options:

■ untrusted-policy < drop | keep | replace > -- Policy for DHCP packets received on untrusted

ports thatcontain option 82. (NUMBER) (p. 161)