Cisco Explorer 4700 Installationsanleitung PDF herunterladen (Seite 87)

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

OL-26645-02

Chapter 4 Configuring Virtual Contexts

Managing Resource Classes

Table 4-10 Resource Class Attributes

Resource Definition

All Limits all resources to the specified value for all contexts assigned to this

resource class, except for management traffic bandwidth. Management

traffic bandwidth remains at the default values until you explicitly configure

a minimum value for management traffic.

Acceleration

Connections

Percentage of application acceleration connections.

ACL Memory Percentage of memory allocated for ACLs.

Buffer Syslog Percentage of the syslog buffer.

Concurrent

Connections

Percentage of simultaneous connections.

Note If you consume all Concurrent Connections by allocating 100% to

virtual contexts, IP connectivity to the Admin context can be lost.

HTTP Compression Percentage of compression for HTTP data.

Management

Connections

Percentage of management connections.

Note If you consume all Management Connections by allocating 100% to

virtual contexts, IP connectivity to the Admin context can be lost.

Proxy Connections Percentage of proxy connections.

Rate Bandwidth Percentage of context throughput. This attribute limits the total ACE

throughput in bytes per second for one or more contexts.

Note If you consume all rate bandwidth by allocating 100% to virtual

contexts, IP connectivity to the Admin context can be lost.

The maximum bandwidth rate per context is determined by your bandwidth

license. By default, the ACE supports 1 Gigabit per second (Gbps) appliance

throughput. You can upgrade the ACE with an optional 2-Gbps bandwidth

license. When you configure a minimum bandwidth value for a resource

class in the ACE, the ACE subtracts that configured value from the total

bandwidth maximum value of all contexts in the ACE, regardless of the

resource class with which they are associated. The total bandwidth rate of a

context consists of the following two components:

• Throughput—Limits through-the-ACE traffic. This is a derived value

(you cannot configure it directly) and it is equal to the bandwidth rate

minus the mgmt-traffic rate for the 1-Gbps and 2-Gbps licenses.

• Management Traffic—Limits management (to-the-ACE) traffic in bytes

per second. To guarantee a minimum amount of management traffic

bandwidth, you must explicitly allocate a minimum percentage to

management traffic using the Resource Classes table (Config > Virtual

Contexts > admin context > System > Resource Class). When you

allocate a minimum percentage of bandwidth to management traffic, the

ACE subtracts that value from the maximum available management

traffic bandwidth for all contexts in the ACE.

Rate Connections Percentage of connections of any kind.

Note If you consume all Rate Connections by allocating 100% to virtual

contexts, IP connectivity to the Admin context can be lost.

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