Status and Statistics
Managing RMON
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3 22
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Viewing the RMON History Table
The History Table page displays interface-specific statistical network samplings.
The samples were configured in the History Control table described above.
To view RMON history statistics:
STEP 1 Click Status and Statistics > RMON > History.
STEP 2 Click History Table.
STEP 3 From the History Entry No. list, select the entry number of the sample to display.
The fields are displayed for the selected sample.
• Owner—History table entry owner.
• Sample No.—Statistics were taken from this sample.
• Drop Events—Dropped packets due to lack of network resources during the
sampling interval. This may not represent the exact number of dropped
packets, but rather the number of times dropped packets were detected.
• Bytes Received—Octets received including bad packets and FCS octets,
but excluding framing bits.
• Packets Received—Packets received, including bad packets, Multicast,
and Broadcast packets.
• Broadcast Packets—Good Broadcast packets excluding Multicast packets.
• Multicast Packets—Good Multicast packets received.
• CRC Align Errors—CRC and Align errors that have occurred.
• Undersize Packets—Undersized packets (less than 64 octets) received.
• Oversize Packets—Oversized packets (over 2000 octets) received.
• Fragments—Fragments (packets with less than 64 octets) received,
excluding framing bits, but including FCS octets.
• Jabbers—Total number of received packets that were longer than 2000
octets. This number excludes frame bits, but includes FCS octets that had
either a bad FCS (Frame Check Sequence) with an integral number of octets
(FCS Error) or a bad FCS with a non-integral octet (Alignment Error) number.
• Collisions—Collisions received.
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