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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

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