System Status and Port Statistics. ZyXEL Communications VES-1616F-3X, VES-1616F-3x Series

C H A P T E R 5

System Status and Port

Statistics

This chapter describes the system status (web configurator home page) and port details screens.

5.1 Overview

The home screen of the web configurator displays a port statistical summary with links to each port showing statistical details.

5.2 Port Status Summary

To view the port statistics, click Status in all web configurator screens to display the Status screen as shown next.

Figure 15 Status

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VES-1616F-3x Series User’s Guide

Chapter 5 System Status and Port Statistics

The following table describes the labels in this screen.

Table 6 Status

LABEL DESCRIPTION

System up

Time

This field shows how long the system has been running since the last time it was started.

The following fields are related to the VDSL ports.

Port This identifies the VDSL port. Click a port number to display the VDSL Port Details screen.

PayLoad Rate This field displays the upstream and downstream payload rates.

State This field shows whether the port is connected (Showtime), not enabled (Idle) or is negotiating a connection (Training).

Tx KB/s

Rx KB/s

Up Time

This field shows the number of kilobytes per second transmitted on this port.

This field shows the number of kilobytes per second received on this port.

This field shows the total amount of time in hours, minutes and seconds the port has been up.

Retrain Click Retrain to re-establish the line connection.

The following fields are related to the Ethernet ports.

Port

Link

This identifies the port. Click a port number to display the Port Details screen.

This field displays the speed (10M for 10Mbps, 100M for 100Mbps or 1000M for

1000Mbps) and the duplex (F for full duplex or H for half duplex).

State

LACP

This field displays the STP state of the port. See the Spanning Tree Protocol chapter for details on STP port states.

This fields displays whether the Link Aggregation Control Protocol (LACP) has been enabled on the port.

TxPkts

RxPkts

Errors

Tx KB/s

This field shows the number of transmitted frames on this port.

This field shows the number of received frames on this port.

This field shows the number of received errors on this port.

This field shows the number of kilobytes per second transmitted on this port.

Rx KB/s

Up Time


This field shows the total amount of time in hours, minutes and seconds the port has been up.

Poll Interval(s) The text box displays how often (in seconds) this screen refreshes. You may change the refresh interval by typing a new number in the text box and then clicking Set

Interval.

Stop

Clear Counter

Click Stop to halt system statistics polling.

Select ALL in the Port field and then click Clear Counter to erase the recorded statistical information for all ports.

Otherwise, select a port from the Port drop-down list box and then click Clear

Counter to erase the recorded statistical information for that port.

5.2.1 VDSL Summary

To view VDSL statistics, click VDSL Summary in the Status screen.

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Figure 16 Status: VDSL Summary


5.2.2 VDSL Port Details

Click a number in the Port column in the Status screen to display individual port statistics.

Use this screen to check status and detailed performance data about an individual port on the switch.

Figure 17 Status: VDSL Port Details


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Table 7 Status: VDSL Port Details


Port Info

Number

Name

Link Type

State

Up Time

Remote LAN Link 1

.. 4

VDSL Status

Line Rate

This field displays the port number.

This field displays the descriptive name of a port.

This field displays the type of the port.

This field displays the status of the port (Training, Idle or Showtime).

This field shows the total amount of time the line has been up.

This field displays the status of the link to the remote CPE device.

This field displays the upstream/downstream transmission rate.



Table 7 Status: VDSL Port Details (continued)


Payload Rate

SNR Margin

This field displays the upstream/downstream payload rate.

This field displays the upstream/downstream SNR margin.

Interleave Delay This field displays the upstream/downstream interleave delay.

Transmit Power This field displays the upstream/downstream transmission power of the line.

Attenuation

CRC Error

This field displays the upstream/downstream attenuation.

This field displays the number of CRC (Cyclical Redundancy Check) error packet.

RS Correct

RS Uncorrect

ES

SES

Tx Packet

Tx Packets

Multicast

Broadcast

This field displays the number of Reed-Solomon (RS) correct packets.

This field displays the number of Reed-Solomon (RS) uncorrect packets.

This displays port endpoint errored seconds (ESs).

This displays port endpoint severely errored seconds (SESs).

This field displays the number of packets transmitted.

This field shows the number of good multicast packets transmitted.

This field shows the number of good broadcast packets transmitted.

This field shows the number of 802.3x Pause frames transmitted.

Pause

Rx Packet

Rx Packets

Multicast

Broadcast

Pause

Control

This field displays the number of packets received.

This field shows the number of good multicast packets received.

This field shows the number of good broadcast packets received.

This field shows the number of 802.3x Pause frames received.

This field shows the number of control received (including those with CRC error) but it does not include the 802.3x Pause frames.

Tx Collision

Single

Multiple

Excessive

Late

This field shows the number of packets with 1 collision detected.

This field shows the number of packets with 2 to 15 collisions detected.

This field shows the number of packets with in excess of 15 collisions detected.

A late collision is counted when a device detects a collision after it has sent the

512th bit of its frame. This field shows the number of times such a collision is detected.

Error Packet

Rx CRC

Length

Runt

This field shows the number of frames with CRC (Cyclic Redundant Check) error(s).

This field shows the number of frames with a length that was out of range.

This field shows the number of frames received that were too short (shorter than

64 octets), including the ones with CRC errors.

Distribution

64

65-127

This field shows the number of packets (including bad packets) transmitted that were 64 octets in length.

This field shows the number of packets (including bad packets) transmitted that were between 65 and 127 octets in length.


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128-255

256-511

512-1023

1024-1518

Giant





This field shows the number of packets (including bad packets) transmitted that were longer than 1518 octets in length.

VDSL Performance

LOS

LOF

BMIN

BERR

Curr. 15 Min.

Time Elapsed

LOS (15Min)

LOF (15Min)

This field displays the number of Loss of Signal (LOS) failures.

This field displays the number of Loss of Framing (LOF) failures.

If the actual SNR falls below the minimum SNR, the DSL connection will be dropped and re-initialized.

This field displays how many times the connection has been dropped due to the average SNR’ falling below the specified minimum SNR.

This field displays how many times the connection has been dropped due to the

CRC errors’ being increasing for more than 30 consecutive seconds.

This field displays the total number of errors detected within the last 15-minute

(900 second) time segment. The counter resets to zero after the time segment elapses.

This field displays the number of Loss of Signal (LOS) failures within the last 15 minute (900 second) time segment. The counter resets to zero after the time segment elapses.

This field displays the number of Loss of Framing (LOF) failures within the last 15 minute (900 second) time segment. The counter resets to zero after the time segment elapses.

BMIN (15Min)

LOS (1Day)

This field displays how many times the connection has been dropped due to the average SNR’ falling below the specified minimum SNR within the last 15 minute

(900 second) time segment. The counter resets to zero after the time segment elapses.

BERR (15Min) This field displays how many times the connection has been dropped due to the

CRC errors’ being increasing for more than 30 consecutive seconds within the last 15 minute (900 second) time segment. The counter resets to zero after the time segment elapses.

Curr. 1 Day

Time Elapsed

This field displays the total number of errors detected within the last 1-day time segment. The counter resets to zero after the time segment elapses.

This field displays the number of Loss of Signal (LOS) failures within the last 1day time segment. The counter resets to zero after the time segment elapses.

LOF (1 Day)

BMIN (1 Day)

This field displays the number of Loss of Framing (LOF) failures within the last 1day period. The counter resets to zero after the time segment elapses.

This field displays how many times the connection has been dropped due to the average SNR’s falling below the specified minimum SNR within the last 1-day period. The counter resets to zero after the time segment elapses.

BERR (1 Day) This field displays how many times the connection has been dropped due to the

CRC errors being increasing for more than 30 consecutive seconds within the last 1-day period. The counter resets to zero after the time segment elapses.

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Poll Interval(s)

Stop

The text box displays how often (in seconds) this screen refreshes. You may change the refresh interval by typing a new number in the text box and then clicking Set Interval.

Click Stop to stop port statistic polling.

5.2.3 Ethernet Port Details

Click a number in the Port column in the Status screen to display the Ethernet port statistics.

Use this screen to check status and detailed performance data about an Ethernet port on the switch.

Figure 18 Status: Port Details


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Table 8 Status: Port Details


Port Info

Link

Status

LACP

TxPkts

RxPkts

Errors

This field displays the speed (either 10M for 10Mbps, 100M for 100Mbps or 1000M for

1000Mbps) and the duplex (F for full duplex or H for half duplex). It also shows the cable type (Copper or Fiber) for the combo ports.

If STP (Spanning Tree Protocol) is enabled, this field displays the STP state of the port

(see

Section 10.1.3 on page 102 for more information).

If STP is disabled, this field displays FORWARDING if the link is up, otherwise, it displays STOP.

This field shows if LACP is enabled on this port or not.

This field shows the number of transmitted frames on this port

This field shows the number of received frames on this port

This field shows the number of received errors on this port.

Tx KB/s

Rx KB/s

This field shows the number kilobytes per second transmitted on this port.


Up Time This field shows the total amount of time the connection has been up.

Tx Packet

The following fields display detailed information about packets transmitted.

TX

Packets

This field shows the number of good packets (unicast, multicast and broadcast) transmitted.

Multicast This field shows the number of good multicast packets transmitted.

Broadcast This field shows the number of good broadcast packets transmitted.

Pause This field shows the number of 802.3x Pause packets transmitted.

Rx Packet

The following fields display detailed information about packets received.

RX

Packets

This field shows the number of good packets (unicast, multicast and broadcast) received.

Multicast This field shows the number of good multicast packets received.

Broadcast This field shows the number of good broadcast packets received.

Pause

Control

This field shows the number of 802.3x Pause packets received.

This field shows the number of control packets received (including those with CRC error) but it does not include the 802.3x Pause packets.

TX Collision

The following fields display information on collisions while transmitting.

Single

Multiple

This is a count of successfully transmitted packets for which transmission is inhibited by exactly one collision.

This is a count of successfully transmitted packets for which transmission was inhibited by more than one collision.

Excessive This is a count of packets for which transmission failed due to excessive collisions.

Excessive collision is defined as the number of maximum collisions before the retransmission count is reset.

Late This is the number of times a late collision is detected, that is, after 512 bits of the packets have already been transmitted.

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Table 8 Status: Port Details (continued)


Error Packet The following fields display detailed information about packets received that were in error.

RX CRC This field shows the number of packets received with CRC (Cyclic Redundant Check) error(s).

Length

Runt

This field shows the number of packets received with a length that was out of range.

This field shows the number of packets received that were too short (shorter than 64 octets), including the ones with CRC errors.

Distribution

64

65-127

This field shows the number of packets (including bad packets) received that were 64 octets in length.

This field shows the number of packets (including bad packets) received that were between 65 and 127 octets in length.

Poll

128-255

256-511

512-1023 This field shows the number of packets (including bad packets) received that were between 512 and 1023 octets in length.

1024-

1518


Giant



Interval(s)

Stop

This field shows the number of packets dropped because they were bigger than the maximum frame size.

The text box displays how often (in seconds) this screen refreshes. You may change the refresh interval by typing a new number in the text box and then clicking Set

Interval.

Click Stop to stop port statistic polling.


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System Status and Port Statistics. ZyXEL Communications VES-1616F-3X, VES-1616F-3x Series

System Status and Port

Statistics

Key Features

Related manuals

Frequently Answers and Questions

What is the maximum data rate supported by the VES-1616F-3X?

How many VDSL2 ports does the VES-1616F-3X have?

Does the VES-1616F-3X support VLAN tagging?

What type of management interface does the VES-1616F-3X offer?

Is the VES-1616F-3X suitable for home use?

Table of contents

System Status and Port Statistics. ZyXEL Communications VES-1616F-3X, VES-1616F-3x Series