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Cisco Active Network Abstraction 3.6.6 MPLS User Guide
OL-19192-01
Chapter 8 Impact Analysis in MPLS Networks
Supported Fault Scenarios
• Router D notes that the ID of Router B is no longer learned through interface 2.
• No impact analysis is performed.
Broken LSP Discovered Scenario
Table 8-4 shows the impacted calculations and reported affected severities for a broken LSP discovered
fault scenario.
MPLS TE Tunnel Down Scenario
Table 8-5 shows the impacted calculations and reported affected severities for an MPLS TE tunnel down
fault scenario.
Pseudowire MPLS Tunnel Down Scenario
Table 8-6 shows the impacted calculations and reported affected severities for a pseudowire MPLS
tunnel down fault scenario.
Table 8-4 Broken LSP Discovered Scenario
Impact and Affected Severity Description
Impact calculation Initiates an affected flow to determine all the affected parties using
the LSP.
Reported affected severity Only reports on Real Affected. When the Link Down is cleared, all
the correlated broken LSP alarms are auto-cleared.
Table 8-5 MPLS TE Tunnel Down Scenario
Impact and Affected Severity Description
Impact calculation Initiates a flow to look for affected parties.
Reported affected severity Only reports on real affected.
Table 8-6 Pseudowire MPLS Tunnel Down
Impact and Affected Severity Description
Impact calculation Initiates a flow to look for the affected parties.
Reported affected severity Only reports on real affected on the MPLS domain.