Chapter 19 acl Commands
Management Switch Card User’s Guide
657
This command enables DHCP relay on a VLAN and sets the relay mode.
The following example creates a configuration entry and enables DHCP relay mode 1 on VLAN 10.
19.4.3 acl dhcprelay82 info Command
Syntax:
acl dhcprelay82 info <vid> <string>
where
This command sets the relay agent information to be included in client DHCP requests before
forwarding. A DHCP server implements network information (such as IP address) policies based on
the relay agent information.
The following example sets the system to add a string (
test) to client DHCP request packets
before forwarding them to the DHCP server.
19.4.4 acl dhcprelay82 optionmode Command
Syntax:
acl dhcprelay82 optionmode <vid> private|tr101 [vid on|off]
This command selects the method (Private or TR-101) in which DHCP relay information is sent and
whether or not the VLAN ID is transmitted within the packet on the specified VLAN. The vid
on|off option applies to the TR-101 mode only. See Section 4.2 on page 84 for more information
on Private and TR-101 modes.
The following example sets the DHCP relay feature on VLAN 10 to use TR-101 encoding, and to
transmit the VLAN ID.
<mode> =
Sets the relay mode.
1: Activates DHCP relay service and include option 82 information in the client DHCP
requests for this VLAN.
2: Disables DHCP relay service but include option 82 information in the client DHCP
requests. Before broadcasting, the switch adds option82 information to DHCP
requests.
ras> acl dhcprelay82 set 10
ras> acl dhcprelay82 enable 10 2
<vid> =
ID of the VLAN to which this setting applies.
<string> =
Up to 23 English keyboard characters of additional information to add to the DHCP
client TCP/IP configuration requests that are relayed to a DHCP server.
Examples of information you could add would be the name of the system or the ISP.
ras> acl dhcprelay82 info test
ras> acl dhcprelay82 optionmode 10 tr101 vid on
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