Pppoe Smart Server Selection - Cisco ASR 9000 Series Configuration Manual

Establishing Subscriber Sessions
DETAILED STEPS
Command or Action
Step 1
configure
Example:
RP/0/RSP0/CPU0:router# configure
Step 2 vpdn
Example:
RP/0/RSP0/CPU0:router(config)# vpdn
Step 3
softshut
Example:
RP/0/RSP0/CPU0:router(config-vpdn)# softshut
Step 4
Use the commit or end command.
Configuring Softshut for VPDN: An example
configure
vpdn
softshut
!
end

PPPoE Smart Server Selection

The PPPoE Smart Server Selection (PADO delay) feature in BNG allows the PPPoE client to control the
selection of BNG for session establishment, in a multi-BNG setup. The feature provides the option for
configuring a delay in sending PADO messages from BNG, in response to the PADI messages received from
the PPPoE clients. This, in turn, helps in establishing a priority order and load balancing across all BNGs.
When establishing a PPPoE session in a multi-BNG setup, the clients broadcast their PADI messages to all
BNGs. When the BNGs reply with a PADO message, the subscriber selects a BNG, and sends a PADR
OL-28375-03
Cisco ASR 9000 Series Aggregation Services Router Broadband Network Gateway Configuration Guide, Release
Purpose
Enters global configuration mode.
Enters the VPDN sub-mode.
Ensures that no new sessions are allowed.
commit—Saves the configuration changes and remains within
the configuration session.
end—Prompts user to take one of these actions:
• Yes— Saves configuration changes and exits the
configuration session.
• No—Exits the configuration session without committing
the configuration changes.
• Cancel—Remains in the configuration mode, without
committing the configuration changes.
PPPoE Smart Server Selection
4.3.x
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