51-3
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 51 Configuring the PPPoE Intermediate Agent
RFCs
The following example shows how to set an access node identifier of
abcd
:
Switch>
enable
Switch#
configure terminal
Switch(config)#
pppoe intermediate-agent
format-type
access-node-id string
abcd
By default,
access-node-id
is not set.
Configuring the Identifier String, Option, and Delimiter for PPPoE IA on an
Switch
This functionality overrides the default automatic generation of circuit-id by the system.
The options available are sp, sv, pv and spv denoting slot:port, slot-vlan, port-vlan, and slot-port-vlan
combinations, respectively. Valid delimiters are # . , ; / space.
The
no
form of this command without
WORD
,
options
, and
delimiters
, reverts to the default automatic
generation of circuit-id.
The following example shows how to set an identifier string
word
with option
spv
delimited by “
:
”:
Switch>
enable
Switch#
configure terminal
Switch(config)
pppoe intermediate-agent format-type
identifier-string
string
word
option
spv
delimiter
:
This command does not affect the circuit ID configured explicitly per-interface or per-interface
per-VLAN with the
pppoe intermediate-agent format-type circuit-id
or
pppoe intermediate-agent vlan
num
format-type
circuit-id
commands.
Configuring the Generic Error Message for PPPoE IA on an Switch
This functionality sets the Generic-Error message of the switch. PPPoE IA sends this message only on
a specific error condition. If you do not specify
string
{
WORD
}, the error message is not added.
The following example shows how to configure a generic message of
packet_length>1484
:
Switch>
enable
Switch#
configure terminal
Switch(config)
pppoe intermediate-agent format-type
generic-error-message
string
packet_length>1484
PPPoE Discover packet too large to process. Try reducing the number of tags added.
By default the
generic-error-message
is not set. The
string
value is converted to UTF-8 before it is
added to the response. The message similar to the following will appear:
PPPoE Discover packet too large to process. Try reducing the number of tags added.
Note
This TAG (0x0203 Generic-Error) indicates an error. It can be added to PADO or PADS packets
generated by PPPoE IA and then sent back to user in reply of PADI or PADR, when a PPPoE discovery
packet received by PPPoE IA with PPPoE payload greater than 1484 bytes. Error data must be a UTF-8
string.
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