3Com Router 3031, Справочник по командам

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268 C
HAPTER
4: L
INK
L
AYER
P
ROTOCOL
Description
Using the display isdn parameters command, you can view the system parameters
at layers 2 and 3 of the ISDN protocol, such as the durations of system timers and
frame size.
If only ISDN protocol is specified, the system will display the default system
parameters of ISDN.
For the related command, see display interfaces.
Example
Display the system parameters of the ISDN protocol DSS1.
[3Com] display isdn parameters dss1
DSS1 ISDN layer 2 system parameters:
T200(sec) T202(sec) T203(sec) N200 K(Bri) K(Pri)
1 2 10 3 1
7
DSS1 ISDN layer 3 system timers:
Timer-Number Value(sec)
T301 240
T302 15
T303 4
T304 30
T305 30
T308 4
T309 90
T310 40
T313 4
T314 4
T316 120
T317 10
T318 4
T319 4
T321 30
T322 4
Table 8 Description of the displayed system parameters of ISDN
display isdn spid Syntax
display isdn spid [ interface type number ]
Item Description
T200(sec) Retransmit-timer (in seconds) of the L2 protocol of ISDN
T202(sec) Retransmit-timer (in seconds) for the TEI request messages of the ISDN
L2 protocol
T203(sec) The maximum link idle time (in seconds) of the ISDN L2 protocol
N200 The maximum retransmission times
K(Bri) The maximum number of unacknowledged frames (slide window size)
on the ISDN BRI port.
K(Pri) The maximum number of unacknowledged frames (slide window size)
on the ISDN PRI port.
Timer-Number ISDN L3 timer
Value(sec) Duration (in seconds) of each ISDN L3 timer