ZyXEL Communications ZyXEL Dimension ES-2024PWR User Manual
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Chapter 13 DHCP Commands
Ethernet Switch CLI Reference Guide
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Table 41 dhcp relay Command Summary
COMMAND
DESCRIPTION
M
P
show dhcp relay <vlan-id>
Displays DHCP relay settings for the specified VLAN.
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dhcp relay <vlan-id> helper-
address <remote-dhcp-server1>
[<remote-dhcp-server2>]
[<remote-dhcp-server3>]
[option] [information]
Enables DHCP relay on the specified VLAN and sets the IP
address of up to 3 DHCP servers. Optionally, sets the Switch
to add relay agent information and system name.
Note: You have to configure the VLAN before you
configure a DHCP relay for the VLAN. You
have to disable dhcp smart-relay
before you can enable dhcp relay.
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no dhcp relay <vlan-id>
Disables DHCP relay.
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no dhcp relay <vlan-id>
information
System name is not appended to option 82 information field.
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no dhcp relay <vlan-id> option
Disables the relay agent information option 82.
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Table 42 dhcp relay-broadcast Command Summary
COMMAND
DESCRIPTION
M
P
dhcp relay-broadcast
The broadcast behavior of DHCP packets will not be
terminated by the Switch.
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no dhcp relay-broadcast
The Switch terminates the broadcast behavior of DHCP
packets.
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Table 43 dhcp server Command Summary
COMMAND
DESCRIPTION
M
P
dhcp server <vlan-id> starting-
address <ip-addr> <subnet-mask>
size-of-client-ip-pool <1-253>
Enables DHCP server for the specified VLAN and specifies
the TCP/IP configuration details to send to DHCP clients.
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dhcp server <vlan-id> starting-
address <ip-addr> <subnet-mask>
size-of-client-ip-pool <1-253>
[default-gateway <ip-addr>]
[primary-dns <ip-addr>]
[secondary-dns <ip-addr>]
Enables DHCP server for the specified VLAN and specifies
the TCP/IP configuration details to send to DHCP clients.
Including default gateway IP address and DNS server
information.
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no dhcp server <vlan-id>
Disables DHCP server for the specified VLAN.
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no dhcp server <vlan-id>
default-gateway
Disables DHCP server default gateway settings.
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no dhcp server <vlan-id>
primary-dns
Disables DHCP primary DNS server settings.
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no dhcp server <vlan-id>
secondary-dns
Disables DHCP server secondary DNS settings.
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show dhcp server
Displays DHCP server settings.
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show dhcp server <vlan-id>
Displays DHCP server settings in a specified VLAN.
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