Enterasys Networks Network Card manual Describes the types of statistics you can choose, 174

Viewing Tunnel Activity	Chapter 7
	Viewing Server Activity & Statistics

2From the Active Users list, click on a user name.

3Using the GRE and Compression checkboxes, choose the types of statistics you want to graph for the selected user.

Table 12 describes the types of statistics you can choose.

Table 12 Protocol Statistics

Value		Meaning	Trends to Look For...
GRE (Generic	Flow Pkts	The number of GRE packets	This value usually indicates
Routing		dropped by the Aurorean	congestion at the Aurorean
Encapsulation)		Network Gateway due to flow	Network Gateway caused by a
		control and full receive	large number of users logged in
		buffers.	and/or a high volume of data
			being transferred. Sudden spikes
			in this graph occur when the
			Aurorean Network Gateway is
			unable to keep pace with
			incoming tunnel packets.
	Pkts Lost	The number of GRE packets	This value indicates checksum
		lost by the Aurorean Network	failures, corrupted packet
		Gateway.	headers, or flow control problems
			(theFlowPktscountisincludedin
			this value). Sudden spikes in this
			graph occur when the Aurorean
			Network Gateway is unable to
			keep pace with incoming tunnel
			packets.
	Acks Recvd	The number of GRE	These values result from
		acknowledgment packets	overhead traffic between the
		received by the Aurorean	Aurorean Network Gateway and
		Network Gateway.	the remote client (packets which
			did not contain actual user data).
	Acks Sent	The number of GRE
			Sudden spikes usually occur
		acknowledgmentpacketssent
			when a connection begins as the
		to the remote client.
			Aurorean Network Gateway and
			remote client negotiate
			authentication, encryption, and
			compression options to use on
			the connection.

174 RiverMaster Administrator’s Guide