Cisco ASR 9000 Serie

PurposeCommand or Action
(Optional) Specifies the differentiated services codepoint
(DSCP) value to be used in echo reply packets.Valid values
are from 0 to 63.
reply dscp dscp-bits
Example:
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
reply dscp 2
Step 8
Reserved keywords such as EF (expedited forwarding)
and AF11 (assured forwarding class AF11) can be specified
instead of numeric values.
(Optional) Sets echo requests to send echo reply packets
by way of a control channel in an MPLS LSP ping
reply mode {control-channel | router-alert}
Example:
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
reply mode router-alert
Step 9
operation, or to reply as an IPv4 UDP packet with IP router
alert. The router-alert reply mode forces an echo reply
packet to be specially handled by the transit LSR router at
each intermediate hop as it moves back to the destination.
or
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
reply mode control-channel
The control-channel keyword can be used only
if the target is set to pseudowire.
Note
(Optional) Specifies the MPLS experimental field (EXP)
value to be used in the header of echo reply packets. Valid
values are from 0 to 7.
exp exp-bits
Example:
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
exp 5
Step 10
(Optional) Specifies the time-to-live (TTL) value used in
the MPLS label of echo request packets. Valid values are
from 1 to 255.
ttl time-to-live
Example:
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
ttl 200
Step 11
Exits IP SLA MPLS LSP Ping configuration mode and IP
SLA configuration mode. Returns to global configuration
mode.
exit
Example:
RP/0/RSP0/CPU0:router(config-ipsla-mpls-lsp-ping)#
Step 12
exit
RP/0/RSP0/CPU0:router(config-ipsla-op)# exit
RP/0/RSP0/CPU0:router(config-ipsla)# exit
RP/0/RSP0/CPU0:router(config)#
Schedules the start time of the operation. You can
configure a basic schedule.
ipsla schedule operation operation-number
Example:
RP/0/RSP0/CPU0:router(config)# ipsla schedule
Step 13
operation 432
RP/0/RSP0/CPU0:router(config-ipsla-sched)#
Specifies a time for the operation to start. The following
keywords are described:
start-time [hh:mm:ss {day | month day} | now | pending |
after hh:mm:ss]
Step 14
Cisco ASR 9000 Series Aggregation Services Router System Monitoring Configuration Guide, Release 4.2.x
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Implementing IP Service Level Agreements
Configuring IP SLA MPLS LSP Ping and Trace Operations