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DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch CLI Reference Guide
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Chapter 25
DHCP Relay Command List
config dhcp_relay {hops <int 1-16> | time <sec 0-65535>}
config dhcp_relay add ipif <ipif_name 12> <ipaddr>
config dhcp_relay add vlanid <vlan_id_list> <ipaddr>
config dhcp_relay delete ipif <ipif_name 12> <ipaddr>
config dhcp_relay delete vlanid <vlan_id_list> <ipaddr>
show dhcp_relay {ipif <ipif_name 12>}
config dhcp_relay option_60 state [enable | disable]
config dhcp_relay option_60 add string <multiword 255> relay <ipaddr> [exact-match | partial-
match]
config dhcp_relay option_60 default [relay <ipaddr> | mode [drop | relay]]
config dhcp_relay option_60 delete [string <multiword 255> {relay <ipaddr>} | ipaddress
<ipaddr> | all | default {<ipaddr>}]
show dhcp_relay option_60 {[string <multiword 255> | ipaddress <ipaddr> | default]}
config dhcp_relay option_61 state [enable | disable]
config dhcp_relay option_61 add [mac_address <macaddr> | string <desc_long 255>] [relay
<ipaddr> | drop]
config dhcp_relay option_61 default [relay <ipaddr> | drop]
config dhcp_relay option_61 delete [mac_address <macaddr> | string <desc_long 255> | all]
show dhcp_relay option_61
config dhcp_relay option_82 check [enable | disable]
config dhcp_relay option_82 circuit_id [default | user_define <sentence 32> | vendor1 | vendor2
| vendor3 | vendor4 | vendor5 | vendor6]
config dhcp_relay option_82 policy [replace | drop | keep]
config dhcp_relay option_82 remote_id [default | user_define <sentence 32> | vendor2 |
vendor3]
config dhcp_relay option_82 state [enable | disable]
config dhcp_relay server_cvid <ipaddr> [<vlan_id 1-4094> | null]
show dhcp_relay server_cvid {<ipaddr>}
config dhcp_relay port_option_82 {<portlist>} [circuit_id | remote_id] vendor3 <string 32>
show dhcp_relay port_option_82 {<portlist>}
25-1 config dhcp_relay
Description
This command is used to configure the DHCP relay feature of the Switch.
Format
config dhcp_relay {hops <int 1-16> | time <sec 0-65535>}
Parameters
hops - (Optional) Specify the maximum number of relay hops that the DHCP/BOOTP packets
can cross. The range is 1 to 16. The default value is 4. The DHCP packet will be dropped
when the relay hop count in the received packet is equal to or greater than this setting.
<int 1-16> - Enter the maximum number of relay hops here. This value must be between 1
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