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Chapter 26 IP Source Guard
XGS-4526/4528F/4728F User’s Guide
267
The following table describes the labels in this screen.
Table 79 DHCP Snooping
LABEL DESCRIPTION
Database Status
This section displays the current settings for the DHCP snooping
database. You can configure them in the DHCP Snooping
Configure screen. See Section 26.5 on page 269.
Agent URL This field displays the location of the DHCP snooping database.
Write delay timer This field displays how long (in seconds) the Switch tries to
complete a specific update in the DHCP snooping database before
it gives up.
Abort timer This field displays how long (in seconds) the Switch waits to
update the DHCP snooping database after the current bindings
change.
This section displays information about the current update and
the next update of the DHCP snooping database.
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.