User's Manual

Device Management
Measuring and Limiting Traffic with the Traffic Meter
Cisco ISA500 Series Integrated Security Appliance Administrator Guide 329
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- Download Only: Limits the amount of download traffic. Enter the
maximum allowed data in Megabytes that can be downloaded for a given
month in the Monthly Limit field. Once the limit is reached, no traffic is
allowed from the WAN side.
- Both Directions: Calculates the traffic for both upload and download
directions. The traffic limit entered into the Monthly Limit field is shared
by both upload and download traffic. For example, for a 1 GB limit, if a 700
MB file is downloaded then the remaining 300 MB must be shared
between both upload and download traffic. The amount of traffic
downloaded will reduce the amount of traffic that can be uploaded and
vice-versa.
• Monthly Limit: Enter the volume limit that is applicable for this month. This
limit will apply to the type of direction (Download Only or Both Direction)
selected above.
• Increase this month limit by: Click On to temporarily increase the limit if the
monthly traffic limit has been reached, or click Off to disable it. If you enable
this feature, enter the amount of the increase in this field.
• This Month Limit: The data transfer limit applicable for this month that is the
sum of the values in the Monthly Limit field and the Increase this month
limit by field.
STEP 3 In the Traffic Counter area, enter the following information:
• Traffic Counter: Specify the action to be taken on the traffic counter.
- Restart Now: Choose this option and then click Save to reset the counter
immediately.
- Specific Time: Choose this option if you want the counter to restart at a
specified date and time, then enter the time in hours (HH) and minutes
(MM) and select the day of the month in the Reset Time field.
• Send email report before restarting counter: Click On to send an email
report before the traffic counter is reset, or click Off to disable it. This feature
requires that you enable the Email Alert feature in the Log Settings page. See
Log Management, page 302.
STEP 4 In the When Limit is Reached area, specify the action when the traffic limit is
reached.
• Traffic Block Status: Choose one of the following options:
- Block All Traffic: Blocks all traffic through the WAN interface when the
traffic limit is reached.