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Foundry NetIron M2404C and M2404F Metro Access Switches
Configuring DHCP Features (Rev. 03)
DHCP Relay
© 2008 Foundry Networks, Inc.
Page 53 of 63
Example
device-name
(config)#
ip dhcp-relay circuit-id VideoVlan port 1/1/1 vlan-id
2
device-name
(config)#
ip dhcp-relay circuit-id AudioVlan port 1/1/1 vlan-id
3
device-name
(config)#
ip dhcp-relay circuit-id DataVlan port 1/1/1 vlan-id
4
device-name
(config)#
exit
device-name
#
show running-config router-manager
! Current Configuration:
...
! Router Manager Configuration:
...
ip dhcp-relay circuit-id VideoVlan port 1/1/1 vlan-id 2
ip dhcp-relay circuit-id AudioVlan port 1/1/1 vlan-id 3
ip dhcp-relay circuit-id DataVlan port 1/1/1 vlan-id 4
...
Specifying the Time-to-Live Value
The
ip dhcp-relay bootp-reply
ttl-value
command, in Global Configuration mode, specifies the
time-to-live value in the relay packet.
Command Syntax
device-name
(config)#
ip dhcp-relay bootp-reply ttl-value <1-255>
Argument Description
1-255
Specifies the time-to-live value in the relay packet.
Specifying a Value for the Option 82 Relay Tag
The
dhcp relay dhcp-server tag
command, in Interface and VLAN Configuration mode, specifies
the value of the Option 82 relay tag.
The
no
form of this command removes the existing relay tag configuration and no tag is added to
the Option 82 field in the relayed packets.
Command Syntax
device-name
(config-if
UU/SS/PP
)#
dhcp relay dhcp-server tag
<1-65535>
device-name
(config-if
UU/SS/PP
)#
no dhcp relay dhcp-server tag
device-name
(config-vlan
VLAN-NAME
)#
dhcp relay dhcp-server tag
<1-65535>
device-name
(config-vlan
VLAN-NAME
)#
no
dhcp relay dhcp-server tag
Argument Description
1-65535
Specifies the value of the Option 82 relay tag.