3Com MSR 50 Network Router User Manual


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If the remote SDLC peer to be configured uses a token ring address, use its
token ring address directly;
If the remote SDLC peer uses an Ethernet address, reverse the bit order of the
Ethernet address: for example, convert 00e0.fc03.a548 to 0007.3fc0.5a12.
You are recommended to use the dlsw reverse command to avoid errors that
may be introduced in manual conversion.
Example # Configure an SDLC peer on Serial 2/0.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] sdlc mac-map remote 00E0-FC00-0010 05
sdlc max-pdu
Syntax sdlc max-pdu number
undo sdlc max-pdu
View Synchronous serial interface view
Parameter number: Maximum SDLC PDU size in bytes, in the range of 1 to 17,600.
Description Use the
sdlc max-pdu command to configure the maximum SDLC PDU size,
namely the maximum size in bytes of a frame that the router can send, not
including the frame check sequence (FCS), start flag and ending flag fields.
Use the
undo sdlc max-pdu command to restore the default setting.
By default, the maximum SDLC PDU size is 265 bytes.
The maximum PDU size of some PU2.0 devices is 265 bytes, while that of an IBM
AS/400 is 521 bytes. Typically, this maximum PDU size should be configured be the
same as on the peer SDLC device.
Example # Set the maximum SDLC PDU size to 521 on Serial 2/0.
<Sysname> system-view
[Sysname] interface serial 2/0
[Sysname-Serial2/0] sdlc max-pdu 521
sdlc max-send-queue
Syntax sdlc max-send-queue length
undo sdlc max-send-queue
View Synchronous serial interface view
Parameter length: Length of the SDLC output queue, in the range of 20 to 255.