ZyXEL Communications IES-1248-51A, User Manual

Page: 397 / 654

Chapter 54 DHCP Commands
IES-1248-51V User’s Guide
397
54.5 PPPoE Intermediate Agent Information
Commands
Use these commands if you want the IES-1248-51V to add a vendor-specific tag
to PADI (PPPoE Active Discovery Initiation) and PADR (PPPoE Active Discovery
Request) packets from PPPoE clients. This tag gives a PPPoE termination server
additional information (such as the port number, VLAN ID, and MAC address) that
the server can use to identify and authenticate a PPPoE client. See
Chapter 39 on
page 295 for background information.
switch dhcprelay opt82sub2
disable < vid |all>
This command turns off the DHCP relay agent
information (Option 82, Sub-option 2) for the
specified VLAN or for all VLANs. M/H
switch dhcprelay opt82sub2 set
< vid |all> < relay-info >
This command adds the specified information
for the relay agent (Option 82, Sub-option 2)
for the specified VLAN or for all VLANs.
relay-info :
Up to 23 ASCII characters of
additional information for the IES-1248-51V
to add to the DHCP requests that it relays to
a DHCP server. Examples of information you
could add would be the name of the IES-
1248-51V or the ISP. To clear this field, type
a pair of double quotation marks with no
space between them (
““
).
M/H
Table 143 DHCP Relay Option 82 Sub-option 2 Commands (continued)
COMMAND DESCRIPTION P
Table 144 PPPoE Intermediate Agent Commands
COMMAND DESCRIPTION P
switch poeagent clearinfo
< vid |all>
This command clears any extra information
the IES-1248-51V adds to PADI and PADR
packets in the specified VLAN or for all
VLANs. H/H
switch poeagent enable
< vid |all>
This command adds a vendor-specific tag to
PADI and PADR packets for PPPoE clients in
the selected VLAN(s) or for all VLANs. This
tag contains information that a PPPoE
termination server can use to identify and
authenticate a PPPoE client. H/H
switch poeagent optionmode
< vid |all> <private|tr101>
Sets the IES-1248-51V to use the TR-101
format for the PPPoE Sub-option 1 (Circuit
ID) or private mode for the packets it
transmits for the specified VLAN. H/H
switch poeagent delete
< vid |all>
This command deletes the PPPoE
intermediate agent settings for the specified
VLAN or for all VLANs. You cannot delete the
setting for VLAN 0. H/H