3Com 3CRWX120695A, 3CRWX440095A Configuration Manual page 375

Displaying and Clearing Network Sessions 375
To clear network sessions by session ID, type the following command
with the appropriate local session ID number.
clear sessions network session-id session-id
For example, the following command deletes network session 9:
WX1200# clear sessions network session-id 9
SM Apr 11 19:53:38 DEBUG SM-STATE: localid 9, mac
00:06:25:09:39:5d,
flags 0000012fh, to change state to KILLING
Localid 9, globalid SESSION-9-893249336 moved from ACTIVE to
KILLING
(client=00:06:25:09:39:5d)