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Configure X.25 211
window-size and packet-size options are also supported in x25 pvc command.
However, in
x25 pvc command, these two options specify the window size and
maximum packet length of the set PVC. If these two options are not selected in
the
x25 pvc command, the set PVC will choose the default value of X.25
interface.
name is the name of the ROA ID list configured by the command x25 roa-list in
the system view, for example:
[Router]x25 roa-list list1 12 34 567
In the serial port view, list1 can be quoted:
[Router-Serial0]x25 call-facility roa-name list1
5 Configure the sending queue length of virtual circuit
The sending and receiving queue lengths of the virtual circuit can be specified for
the X.25 of the 3Com Router series to adapt to different network environments.
The default queue length can contain 500 packets, but if data flow is very large, or
the transmission rate of the X.25 network is low, the queue length can be
increased to avoid unexpected data packet loss.
In the interface view, perform the following tasks to specify the length of virtual
circuit queue.
Table 252 Configure the sending queue length of virtual circuit
6 Broadcast via X.25
Receive calls with reverse charging requests x25 reverse-charge-accept
Or
x25 map protocol protocol-address
x121-address x.121-address
reverse-charge-accept
Request throughput-level negotiation while
initiating a call
x25 call-facility threshold in out
Or
x25 map protocol protocol-address
x121-address
x.121-addressthreshold in out
Cancel the request of throughput-level
negotiation while initiating a call
undo x25 call-facility threshold
Carry transmission delay request while
initiating a call
x25 call-facility send-delay
milliseconds
Or
x25 map protocol protocol-address
x121-address x.121-address
send-delay milliseconds
Cancel the carrying of transmission delay
request while initiating a call
undo x25 call-facility send-delay
Specify the use of ROA (Recognized
operating Agency)
x25 call-facility roa-name name
2
Or
x25 map protocol protocol-address
x121-address x.121-address
roa-name name
2
Cancel the use of ROA undo x25 call-facility roa-name
Operation Command
Set the length of X.25 virtual circuit queue x25 queue-length
queue-size
Cancel set the length of X.25 virtual circuit queue undo x25 queue-length