ZyXEL Communications MES3500-24, Руководство пользователя

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Chapter 26 IP Source Guard
MES3500-24/24F User’s Guide
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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.
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.
Table 77
DHCP Snooping (continued)
LABEL DESCRIPTION