HP TMS zl Module Security Administrator's Guide

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Configuring a VPN on the HP TMS zl Module
Managing VPNs
If you want to see more details about the tunnel’s activity, click View in the
Traffic Information column. The Traffic Information for <tunnel name> window is
displayed.
Figure 4-363. Traffic Information for <tunnel name> Window > GRE Tunnel State
and Traffic Statistics
The Tunnel State area displays more information about the status, includ-
ing:
• Status—The current status and the length of time that this status has
been in effect
• Changed—The date and time at which the status last changed
• Changes—The number of times that the status has changed since the
TMS zl Module’s last reboot
If this tunnel uses keepalives, the Keepalive Stats (since last change) area
displays this information:
• Sent—The number of keepalives sent since the last time the tunnel’s
status has changed (for example, from up to down or from down to
up)
• Received—The number of those keepalives for which the module has
received a response from the remote tunnel gateway
• Loss—The number of those keepalives that have failed to receive a
response from the remote tunnel gateway within the time specified
by Period in the tunnel configuration