Alcatel-Lucent 7750 SR-OS, Configuration Manual

Page: 148 / 674

Router L2TP Commands
Page 148 7750 SR OS Router Configuration Guide
configure>service>vprn>l2tp>tunnel-selection-blacklist
Description This command configures time for which an entity (peer or a tunnel) are kept in the blacklist.
Default 5 minutes
Parameters minutes — Specifies the maximum time a tunnel or peer may remain in the blacklist
Values 1..60
timeout-action
Syntax timeout-action action
no timeout-action
Context configure>router>l2tp>tunnel-selection-blacklist
configure>service>vprn>l2tp>tunnel-selection-blacklist
Description This command defines an action that will be executed on the entity (peer/tunnel) in the blacklist once
the entity becomes eligible for selection again.
Default remove-from-blacklist
Parameters action — Specifies the Action to be taken when a tunnel or peer has been in the blacklist for the
max-period of time.
Values remove-from-blacklist — The peer or tunnel in the blacklist will be removed
completely from the blacklist and made eligible for the selection process once the
max-time expires. In this mode of operation, multiple new sessions can be mapped
into the same, newly released tunnel from the blacklist. The first such session will
try to setup the tunnel, while the other will be buffered until the tunnel
establishment process is completed. In case that the tunnel remains unavailable, it
will be placed in the blacklist again. Consequently all new sessions will have be
re-negotiated over an alternate tunnel.
try-one-session — Once the max-time expired, the peer or tunnel in the blacklist is
made available for selection only to a single new session request. Only upon
successful tunnel establishment will the incoming new sessions be eligible to be
mapped into this tunnel. This behavior will avoid session establishment delays in
case that the tunnel just removed from the blacklist is still unavailable.