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Which command is NOT mandatory for inclusion in a plan …

Which command is NOT mandatory for inclusion in a plan to implement IP Service Level Agreements (SLAs) to
monitor IP connections and traffic?

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A.
ip sla

B.
ip sla schedule

C.
ip sla reset

D.
icmp-echo

Explanation:
The ip sla reset command is not mandatory for an implementation plan to configure IP SLAs for monitoring IP
connections and traffic. This command causes the IP SLA engine to either restart or shutdown. As a result, all
IP SLAs operations are stopped, IP SLA configuration information is erased, and IP SLAs are restarted. The IPSLAs configuration information will need to be reloaded to the engine.
The following commands are essential to the implementation plan:
ip sla
ip sla schedule
icmp-echo
The ip sla command allows you to configure IP SLAs operations. When you execute this command in the global
configuration mode, it enables the IP SLA configuration mode. In the IP SLA configuration mode, you can
configure different IP SLA operations. You can configure up to 2000 operations for a given IP SLA ID number.
The icmp-echo command allows you to monitor IP connections and traffic on routers by creating an IP SLA
ICMP Echo operation. This operation monitors end-to-end response times between routers.
The ip sla schedule command allows you to schedule the IP SLA operation that has been configured. With this
command, you can specify when the operation starts, how long the operation runs, and the how long the
operation gathers information. For example, if you execute the ip sla schedule 40 start-time now life forever
command, the IP SLA operation with the identification number 40 immediately starts running. This is because
the now keyword is specified for the start-time parameter. Using the forever keyword with the life parameter
indicates that the operation keeps collecting information indefinitely. Note that you cannot re-configure the IP
SLA operation after you have executed the ip sla schedule command.
The information gathered by an IP SLA operation is typically stored in RTTMON-MIB. A Management
Information Base (MIB) is a database hosting information required for the management of routers or network
devices. The RTTMON-MIB is a Cisco-defined MIB intended for Cisco IOS IP SLAs. RTTMON MIB acts as an
interface between the Network Management System (NMS) applications and the Cisco IOS IP SLAs
operations.
Objective:
Infrastructure Management
Sub-Objective:
Troubleshoot network connectivity issues using ICMP echo-based IP SLA

Home > Support > Technology support > IP > IP application services > Technology information > Technology
white paper > Cisco IOS IP Service Level Agreements User Guide
Cisco IOS IP SLAs Command Reference > icmp-echo through probe-packet priority > ip sla
Cisco IOS IP SLAs Command Reference > icmp-echo through probe-packet priority > ip sla schedule
Cisco > Cisco IOS IP SLAs Command Reference > icmp-echo


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