3Com 6000 manual Table A-2describes the fields in the CacheDisplay

Displaying the Multicast Cache A-11

Table A-2 describes the fields in the CacheDisplay.

Table A-2 Information in the CacheDisplay

Field	Description
Origin	The source of the incoming packets. Entries preceded by an angle
	bracket (>) indicate a multicast subnet. Entries without an angle
	bracket beneath subnet entries are multicast routers within that
	subnet.
Mcast-group	The destination multicast group
CTmr	Cache timer. The amount of time a cache entry has to remain in the
	cache
Age	Number of seconds (s), minutes (m), or hours (h) that the cache
	entry has been in existence
PTmr	The time remaining, in seconds (s), minutes (m), or hours (h), before
	another prune will be sent to prune the Spanning Tree.
In-If	Interface number on which that gateway is connected. This is the
	interface that traffic is expected to originate from.
	T represents the tunnel; P denotes that a prune has been sent to
	this tunnel.
Out-If	Set of interfaces on which the traffic will be flooded out. I repre-
	sents the interface.