Cisco Bug: CSCuj95304 - XR:4.3.1: Unable to disable MPLS TTLpropagation
Last Modified
Jul 21, 2018
Products (7)
- Cisco Carrier Routing System
- Cisco ASR 9922 Router
- Cisco IOS XR Software
- Cisco ASR 9010 Router
- Cisco ASR 9006 Router
- Cisco ASR 9001 Router
- Cisco ASR 9912 Router
Known Affected Releases
4.3.1.BASE 5.1.1.BASE
Description (partial)
Symptom: Disabling the MPLS TTL propagation for locally generated packets via "mpls ip-ttl-propagation disable local" global config on asr9k platform is not working. Conditions: This issue will be seen : 1)Only for mpls configuration 2) only for locally generated packets 3) if there is an outgoing label or explicit NULL. As a result of this bug we see IP-TTL will still be propagated to MPLS-TTL if there is an outgoing label/Explicit Null. Example: Traceroute, BGP etc
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