Using sethdlc utility to configure Tahoe cards under FreeBSD
Sethdlc utility is used to configure Tahoe cards. Its main function is to select the protocol used on the WAN link:
where:
Moreover in case of Frame Relay protocol you can create and delete PVCs (Permanent Virtual Circuits) with given DLCI values:
After creating a PVC, a new 'pvc' interface is created with name derived from DLCI value - e.g. pvc99 in above example. In case of Tahoe 971/972 cards you also have to specify, which timeslots are used for transmission. Timeslots can be given in two ways - as a list of numbers (from 1 to 32) and ranges separated by commas or as a string of zeros and ones (where '0' means an unused slot and '1' - an used one, with the first slot at the beginning of the string):
The command below enables and disables, respectively, transmission of the CRC4 checksum:
After configuring a card using the sethdlc utility you can proceed to regular interface configuration (using th0, th1 or pvc## interfaces), routing setup, etc. |