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23-2
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 23 Cisco IOS IP SLA
Configuring IPSLA Path Discovery
SUMMARY STEPS
1. enable
2. configure terminal
3. mpls discovery vpn next-hop
4. mpls discovery vpn interval seconds
5. auto ip sla mpls-lsp-monitor operation-number
6. type echo ipsla-vrf-all
Configuration Parameters
Router(config)#auto ip sla mpls-lsp-monitor 1
Router(config-auto-ip-sla-mpls)#?
Auto IP SLAs MPLS LSP Monitor entry configuration commands:
exit Exit IP SLAs MPLSLM configuration
Command Purpose
Step 1
enable
Example:
Router> enable
Enables privileged EXEC mode.
• Enter your password if prompted.
Step 2
configure terminal
Example:
Router# configure terminal
Enters global configuration mode.
Step 3
mpls discovery vpn next-hop
Example:
Router(config)# mpls discovery vpn
next-hop
(Optional) Enables the MPLS VPN next hop neighbor discovery process.
Note This command is automatically enabled when the auto ip sla
mpls-lsp-monitor command is entered.
Step 4
mpls discovery vpn interval seconds
Example:
Router(config)# mpls discovery vpn
interval 120
(Optional) Specifies the time interval at which routing entries that are no
longer valid are removed from the next hop neighbor discovery database
of an MPLS VPN.
Step 5
auto ip sla mpls-lsp-monitor
operation-number
Example:
Router(config)# auto ip sla
mpls-lsp-monitor 1
Router(config-auto-ip-sla-mpls)#
Begins configuration for an LSP Health Monitor operation and enters auto
IP SLA MPLS configuration mode.
Step 6
type echo ipsla-vrf-all
Example:
Router(config-auto-ip-sla-mpls)#
type echo ipsla-vrf-all
Router(config-auto-ip-sla-mpls-para
ms)#
Enters MPLS parameters configuration submode and allows the user to
configure the parameters for an IP SLAs LSP ping operation using the
LSP Health Monitor.
For details on the parameters, see Configuration Parameters, page 23-2.