Инструкция для ZYXEL GS3700-48

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Chapter 24 IP Source Guard

GS3700/XGS3700 Series User’s Guide

221

Agent running

This field displays the status of the current update or access of the DHCP snooping
database.

none: The Switch is not accessing the DHCP snooping database.

read: The Switch is loading dynamic bindings from the DHCP snooping database.

write: The Switch is updating the DHCP snooping database.

Delay timer expiry

This field displays how much longer (in seconds) the Switch tries to complete the
current update before it gives up. It displays Not Running if the Switch is not
updating the DHCP snooping database right now.

Abort timer expiry

This field displays when (in seconds) the Switch is going to update the DHCP
snooping database again. It displays Not Running if the current bindings have not
changed since the last update.

This section displays information about the last time the Switch updated the DHCP
snooping database.

Last succeeded time

This field displays the last time the Switch updated the DHCP snooping database
successfully.

Last failed time

This field displays the last time the Switch updated the DHCP snooping database
unsuccessfully.

Last failed reason

This field displays the reason the Switch updated the DHCP snooping database
unsuccessfully.

This section displays historical information about the number of times the Switch
successfully or unsuccessfully read or updated the DHCP snooping database.

Total attempts

This field displays the number of times the Switch has tried to access the DHCP
snooping database for any reason.

Startup failures

This field displays the number of times the Switch could not create or read the
DHCP snooping database when the Switch started up or a new URL is configured
for the DHCP snooping database.

Successful transfers

This field displays the number of times the Switch read bindings from or updated
the bindings in the DHCP snooping database successfully.

Failed transfers

This field displays the number of times the Switch was unable to read bindings
from or update the bindings in the DHCP snooping database.

Successful reads

This field displays the number of times the Switch read bindings from the DHCP
snooping database successfully.

Failed reads

This field displays the number of times the Switch was unable to read bindings
from the DHCP snooping database.

Successful writes

This field displays the number of times the Switch updated the bindings in the
DHCP snooping database successfully.

Failed writes

This field displays the number of times the Switch was unable to update the
bindings in the DHCP snooping database.

Database detail

First successful access

This field displays the first time the Switch accessed the DHCP snooping database
for any reason.

Last ignored bindings
counters

This section displays the number of times and the reasons the Switch ignored
bindings the last time it read bindings from the DHCP binding database. You can
clear these counters by restarting the Switch or using CLI commands. See the
Ethernet Switch CLI Reference Guide.

Binding collisions

This field displays the number of bindings the Switch ignored because the Switch
already had a binding with the same MAC address and VLAN ID.

Invalid interfaces

This field displays the number of bindings the Switch ignored because the port
number was a trusted interface or does not exist anymore.

Table 107

IP Source Guard > DHCP Snooping (continued)

LABEL

DESCRIPTION