Cisco 3002 - VPN Hardware Client Guía de usuario Pagina 171

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Monitoring | Statistics | MIB-II | ICMP
13-35
VPN 3002 Hardware Client User Guide
Monitoring | Statistics | MIB-II | ICMP
This screen shows statistics in MIB-II objects for ICMP traffic on the VPN 3002 since it was last booted
or reset. RFC 2011 defines ICMP MIB objects.
Figure 13-19: Monitoring | Statistics | MIB-II | ICMP screen
Refresh
To update the screen and its data, click Refresh. The date and time indicate when the screen was last
updated.
Total Received / Transmitted
The total number of ICMP messages that the VPN 3002 received / sent. This number includes messages
counted as
Errors Received / Transmitted. ICMP messages solicit and provide information about the
network environment.
Errors Received / Transmitted
The number of ICMP messages that the VPN 3002 received but determined to have ICMP-specific errors
(bad ICMP checksums, bad length, etc.).
The number of ICMP messages that the VPN 3002 did not send due to problems within ICMP such as a
lack of buffers.
Destination Unreachable Received / Transmitted
The number of ICMP Destination Unreachable messages received / sent. Destination Unreachable
messages apply to many network situations, including inability to determine a route, an unusable source
route specified, and the
Dont Fragment flag set for a packet that must be fragmented.
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