Foundry NetIron M2404C and M2404F Metro Access Switches
Configuring DHCP Features (Rev. 03)
DHCP Relay
© 2008 Foundry Networks, Inc.
Page 55 of 63
The
no
form of this command reestablishes the default format of the Option 82 field so that the
options appended are in ASCII format.
Command Syntax
device-name
(config-if
UU/SS/PP
)#
dhcp relay information format binary
[
remote-id
] [
vlan-id
<1-4093>
]
device-name
(config-if
UU/SS/PP
)#
no dhcp relay information format binary
vlan-id
<1-4093>
device-name
(config-vlan
VLAN-NAME
)#
dhcp relay information format binary
[
remote-id
]
device-name
(config-vlan
VLAN-NAME
)#
no dhcp relay information format
binary
Argument Description
remote-id
(Optional). Appends the MAC address of the relay agent device in the
Option 82 field.
<1-4093>
The specified format of the Option 82 field will only be applied if the packet
coming from the client pertains to the specified VLAN. Note that this option
can only be used in Interface Configuration mode
Displaying DHCP Relay Agent and Option 82 Information
Table 16
lists the commands displaying the DHCP Relay Agent Information and Option 82.
Table 16: DHCP Relay Agent Information and Option 82 Display Commands
Command
Description
show dhcp
Displays the configured DHCP relay parameters, which
include the IP address of the DHCP servers and the IP
interfaces on which the relay was enabled.
show ip dhcp-relay
information policy
Displays the current policy used by the DHCP Relay agent
for incoming packets that contain Option 82.
show ip dhcp-relay tag
Displays the user-defined tag value for the identification of
the DHCP relay agent.
show ip dhcp-relay
circuit-id
Displays the user-defined circuit-ID values.
Displaying the DHCP Relay Agent Configuration
The
show dhcp
command, in Privileged (Enable) mode, displays the configured DHCP relay
parameters, which include the IP address of the DHCP servers and the IP interfaces on which the
relay was enabled.
Command Syntax
device-name
#
show dhcp