Users Guide

Layer 3 Routing Commands 1665
User Guidelines
The value specified for this command must not be greater than the value
specified for the timeout command. The threshold value configured by this
command is used only to calculate network monitoring statistics created by
an IP SLA’s operation.
For the IP SLA’s ICMP Echo operation, the threshold (IP SLA) command
sets the upper threshold value for the round-trip time (RTT) measurement.
The recommended guidelines for configuring the frequency, timeout and
threshold commands of the IP SLAs ICMP Echo operation are:
(frequency seconds) > (timeout milliseconds) > (threshold milliseconds)
This command is supported in IPv4 networks and also for IPv6 networks
where IPv6 addresses are supported.
Command History
Command introduced in version 6.6 firmware.
Example
The following example shows how to configure the threshold of the IP SLAs
ICMP echo operation to 3500. This example shows the threshold (IP SLA)
command being used in an IPv4 network in ICMP echo configuration mode
within IP SLA configuration mode.
console(config)#ip sla 11
console(config-ip-sla)#icmp-echo 152.17.10.145
console(config-ip-sla-echo)#threshold 3500
vrf (IP SLA)
Use the vrf command to allow reachability monitoring within Virtual Private
Networks (VPNs) using IP Service Level Agreements (SLAs). To reset to the
default value, use the no form of the command.
Syntax
vrf vrf-name
no vrf
• vrf-name —An existing VPN routing and forwarding (VRF) name.