User Guide
Table Of Contents
- Chapter 1 – Getting Started
- Chapter 2 – System Status
- Chapter 3 – Quick Start
- Chapter 4 – System Management
- Chapter 5 – Port Management
- Chapter 6 – VLAN Management
- Chapter 7 - Spanning Tree Management
- Chapter 8 - MAC Address Management
- Chapter 9 – Multicast
- Chapter 10 - IP Interface
- Chapter 11 - IP Network Operations
- Chapter 12 – Security
- Chapter 13 - Access Control List
- Chapter 14 - Quality of Service
- Chapter 15 - Maintenance
- Chapter - 16 Support
11
•
Received (Rx) error event has not been detected.
•
Packet has a valid CRC.
To view RMON statistics and/or set the refresh rate:
1.
Click
System Status > RMON > Statistics
.
2.
Select the Interface for which statistics are to be displayed.
3.
Select the Refresh Rate, the time period that passes before the interface statistics are
refreshed.
The statistics are displayed for the selected interface.
•
Bytes Received—Number of octets received, including bad packets and FCS octets, but
excluding framing bits.
•
Drop Events—Number of packets dropped.
•
Packets Received—Number of good packets received, including Multicast and Broadcast
packets.
•
Broadcast Packets Received—Number of good Broadcast packets received. This number
does not include Multicast packets.
•
Multicast Packets Received—Number of good Multicast packets received.
•
CRC & Align Errors—Number of CRC and Align errors that have occurred.
•
Undersize Packets—Number of undersized packets (less than 64 octets) received.
•
Oversize Packets—Number of oversized packets (over 2000 octets) received.
•
Fragments—Number of fragments (packets with less than 64 octets, excluding framing
bits, but including Frame Check Sequence octets) received.
•
Jabbers—Total number received packets that were longer than 1632 octets. This number
excludes frame bits, but includes FCS octets that had either a bad FCS with an integral
number of octets (FCS Error) or a bad FCS with a non-integral octet (Alignment Error)
number. A jabber packet is defined as an Ethernet frame that satisfies the following
criteria:
•
Packet data length is greater than MRU.
•
Packet has an invalid CRC.
•
Received (Rx) Error Event has not been detected.
•
Collisions—Number of collisions received. If Jumbo Frames are enabled, the threshold of
Jabber Frames is raised to the maximum size of Jumbo Frames.
•
Frames of 64 Bytes—Number of frames, containing 64 bytes that were received.
•
Frames of 65 to 127 Bytes—Number of frames, containing 65-127 bytes that were
received.
•
Frames of 128 to 255 Bytes—Number of frames, containing 128-255 bytes that were
received.