15 Monitoring
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VPN 3000 Concentrator Series User Guide
Monitor | Statistics | MIB-II | TCP/UDP
This screen shows statistics in MIB-II objects for TCP and UDP traffic on the VPN Concentrator since
it was last booted or reset. RFC 2012 defines TCP MIB objects, and RFC 2013 defines UDP MIB objects.
Figure 15-41: Monitor | Statistics | MIB-II | TCP/UDP screen
Refresh
To update the screen and its data, click Refresh. The date and time indicate when the screen was last
updated.
TCP Segments Received
The total number of segments received, including those received in error and those received on currently
established connections. Segment is the official TCP name for what is casually called a data packet.
TCP Segments Transmitted
The total number of segments sent, including those on currently established connections but excluding
those containing only retransmitted bytes. Segment is the official TCP name for what is casually called
a data packet.
TCP Segments Retransmitted
The total number of segments retransmitted; that is, the number of TCP segments transmitted containing
one or more previously transmitted bytes. Segment is the official TCP name for what is casually called
a data packet.
TCP Timeout Min
The minimum value permitted for TCP retransmission timeout, measured in milliseconds.
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