Chapter 26 IP Source Guard

Table 83 DHCP Snooping (continued)

LABEL

DESCRIPTION

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 timerThis 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 expiryThis 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 timeThis 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 reasonThis 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 attemptsThis 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 readsThis 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.

 

 

222

 

ES3500 Series User’s Guide