Cisco Explorer 4700 Installationsanleitung PDF herunterladen (Seite 537)

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Device Manager Guide, Cisco ACE 4700 Series Application Control Engine Appliance

OL-26645-02

Chapter 14 Monitoring Your Network

Using Dashboards to Monitor the ACE System and Virtual Contexts

Context With Denied Resource Usage Detected Table

The Context With Denied Resource Usage Detected table lists all contexts for which the resource request

is denied after reaching the maximum limit. An increase in the deny count (that is, the deny rate) results

in the relevant context resource type appearing in this table. DM obtains the count information by using

the ACE show resource usage CLI command, which collects the information from the following MIBs:

crlResourceLimitReqsDeniedCount and crlRateLimitResourceReqsDeniedCount.

This table includes the following information:

• Context—Name of the configured context that contains a denied resource.

• Resource Type—Type of system resource in the context.

• Denies/Second—Number of denied resources (per second) as a result of oversubscription or

resource depletion.

• Total Deny Count—Number of denied uses of the resource since the resource statistics were last

cleared.

• Last Polled Count—Date and time of the last time that DM polled the device to display the current

values.

Note The Context With Denied Resource Usage Detected table does not display the sticky denied resource

count because this count does not increment when the ACE sticky resources are exhausted. The ACE

sticky table can hold a maximum of four million entries (four million simultaneous users). When the

table reaches the maximum number of entries, additional sticky connections cause the table to wrap and

the first users become unstuck from their respective servers.

A hyperlink allows you to access the Resource Usage monitoring page to view a detailed list of resources

used and denied counts (see the “Monitoring Resource Usage” section on page 14-17).

Device Resource Usage Graph

For each resource type, the ACE System Dashboard displays the Top 3 virtual contexts that consume the

resources in the Device Resource Usage graph (Figure 14-1). A tooltip is added to display the Top 3

context names and their consumption, consumption of the resource by rest of the contexts and the total

consumption by all contexts. This data is collected by DM by using the ACE show resource usage CLI

command.

Note The SSL Connection Rate graph entry does not apply to the ACE NPE software version (see the

“Information About the ACE No Payload Encryption Software Version” section on page 1-2).

The timestamp shown in the status bar indicates a varying poll time; that is, different virtual contexts

were polled and those context had different time stamps. The earliest time stamp of the polled virtual

contexts is displayed in the status bar.

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