173
Use undo isdn l3-timer to restore the default.
Syntax
isdn l3-timer timer-name time-interval
undo isdn l3-timer { timer-name | all }
Default
Table 30 lists the default L3 timer settings for DSS1. For the default L3 timer values for other ISDN
protocols, use the display isdn parameters command.
Views
ISDN interface view
Predefined user roles
network-admin
Parameters
timer-name: Specifies an ISDN L3 timer name.
time-interval: Specifies a timer value.
all: Restores the default values of all ISDN L3 timers.
Table 30 DSS1 ISDN L3 timers
Keyword for
the timer-name
Timer name
Value range (in
seconds)
Default (in seconds)
t301
T301 30 to 1200 240
t302
T302 1 to 60 15
t303
T303 2 to 10 4
t304
T304 10 to 60 30
t305
T305 4 to 30 30
t308
T308 2 to 10 4
t309
T309 1 to 240 90
t310
T310 10 to 240 40
t313
T313 2 to 10 4
t322
T322 2 to 10 4
Usage guidelines
T302 and T304 are timers for overlap sending. They are not available in overlap sending-incapable
ISDN protocols, including AT&T, NTT, NI2, and 5ESS.
Examples
# Set the T301 timer to 160 seconds on BRI 2/4/0.
<Sysname> system-view
[Sysname] interface bri 2/4/0
[Sysname-Bri2/4/0] isdn l3-timer t301 160
Related commands
display isdn parameters
isdn overlap-sending
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