Command Reference Guide

3Com Router 5000 Family and Router 6000 Family link-protocol sdlc ● 139
Command Reference
link-protocol sdlc
Purpose Use the link-protocol sdlc command to change the link layer encapsulation
protocol of the synchronous serial interface into SDLC.
Syntax link-protocol sdlc
Parameters None
Default By default, the encapsulated link layer protocol of the synchronous serial interface is
PPP.
Example Configure the encapsulation protocol on the Serial1/0/0 as SDLC.
[3Com -Serial1/0/0] link-protocol sdlc
View This command can be used in the following views:
■ Synchronous Serial Interface view
Description The SDLC is a kind of link layer protocol relative to the SNA, with working principal
similar to that of the HDLC. In order for the DLSw to work normally, the link layer
encapsulation protocol of the synchronous serial interface should be changed into
SDLC.
Note all the IP related commands on the interface should be removed before
encapsulating the SDLC, as the SDLC link protocol cannot be used to carry the IP
protocol, for example, to delete the IP address on the interface, etc.