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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 23 Cisco IOS IP SLA
Configuring IPSLA Path Discovery
path-discover
auto ip sla mpls-lsp-monitor schedule 1 schedule-period 1 frequency 10 start-time now
This example shows the LPD parameter values configured:
auto ip sla mpls-lsp-monitor 2
type echo vrf vpn1
path-discover
force-explicit-null
hours-of-statistics-kept 1
scan-period 30
lsp-selector-base 127.0.0.7
session-timeout 20
timeout 100
interval 1000
auto ip sla mpls-lsp-monitor schedule 2 schedule-period 1 frequency 10 start-time now
Router#show ip sla mpls-lsp-monitor summary
Index - MPLS LSP Monitor probe index
Destination - Target IP address of the BGP next hop
Status - LPD group status
LPD Group ID - Unique index to identify the LPD group
Last Operation Time - Last time an operation was attempted by
a particular probe in the LPD Group
Index Destination Status LPD Group ID Last Operation Time
1 2.2.2.2 up 100004 *20:08:01.481 UTC Tue Nov 14 2000
Router#show ip sla mpls-lsp-monitor neighbors
IP SLA MPLS LSP Monitor Database : 1
BGP Next hop 2.2.2.2 (Prefix: 2.2.2.2/32) OK Paths: 2
ProbeID: 100004 (pavan_1)
Router# show ip sla mpls-lsp-monitor lpd operational-state
Entry number: 100004
MPLSLM Entry Number: 1
Target FEC Type: LDP IPv4 prefix
Target Address: 2.2.2.2
Number of Statistic Hours Kept: 2
Last time LPD Stats were reset: *18:00:57.817 UTC Sat Nov 11 2000
Traps Type: 1
Latest Path Discovery Mode: initial complete
Latest Path Discovery Start Time: *20:04:26.473 UTC Tue Nov 14 2000
Latest Path Discovery Return Code: OK
Latest Path Discovery Completion Time(ms): 40
Number of Paths Discovered: 2
Path Information :
Path Outgoing Lsp Link Conn Adj NextHop Downstream
Index Interface Selector Type Id Addr Addr Label Stack
Status
1 Vl22 127.0.0.0 90 0 22.1.1.1 22.1.1.1 29
OK
2 Vl26 127.0.0.0 90 0 26.1.1.2 26.1.1.2 21
OK
Router# show ip sla mpls-lsp-monitor configuration
Entry Number : 1
Modification time : *20:19:08.233 UTC Tue Nov 14 2000
Operation Type : echo
Vrf Name : ipsla-vrf-all
Tag :
EXP Value : 0
Timeout(ms) : 5000