IP Router Configuration
Router Configuration Guide 161
tunnel-selection-blacklist
Syntax tunnel-selection-blacklist
Context config>router>l2tp
Description This command enables the context to configure L2TP Tunnel Selection Blacklist parameters.
add-tunnel
Syntax add-tunnel never
add-tunnel on reason [reason...(upto 8 max)]
no add-tunnel
Context configure>router>l2tp>tunnel-selection-blacklist
configure>service>vprn>l2tp>tunnel-selection-blacklist
Description This command will force the tunnel to the blacklist and render it unavailable for new sessions for the
duration of preconfigured time. Peers are always forced to the black list in case that they time out
(failure to receive response to control packets). In addition to time outs, certain events can be used to
trigger placement of the tunnel on the black list.
Parameters reason — Specifies the return codes or events that determine which tunnels are added to the
blacklist
cdn-err-code A tunnel will be forced to the blacklist in case that CDN message with the
Result Code 2 (Call disconnected for the reasons indicated in error code) is
received.
cdn-inv-dest A tunnel will be forced to the blacklist in case that CDN message with the
Result Codes 6 (Invalid destination) is received.
cdn-tmp-no-facilities A tunnel will be forced to the blacklist in case that CDN message with the
Result Code 4 is received (Call failed due to lack of appropriate facilities being
available - temporary condition) is received.
cdn-perm-no-
facilities
A tunnel will be forced to the blacklist in case that CDN message with the
Result Codes 5 (Call failed due to lack of appropriate facilities being available
- permanent condition) is received.
tx-cdn-not-
established-in-time
A tunnel will be forced to the blacklist in case that CDN message with the
Result Code 10 (Call was not established within time allotted by LAC) is sent
from the LAC to the LNS.
stop-ccn-err-code A tunnel will be forced to the blacklist in case that StopCCN message with the
Result Code 2 (General error – Error Code indicates the problem) is sent or
received.
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