| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a switching hub, a line card, and a frame relay method, which prevent frame loss during the recovery from a fault and manual port switching. <P>SOLUTION: A switching hub 1 includes: ports including receiving ports and transmission ports; a distributed ID calculation part 300; a first distribution table 330; a second distribution table 335; a distribution table identification information addition part which adds first table identification information or a second table identification information to a frame; and a table access part which refers to the first distribution table with respect to a frame having first table identification information added thereto, and refers to the second distribution table with respect to a frame having second table identification information added thereto, to acquire a port ID stored in association with a distributed ID from the first distribution table or the second distribution table. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
