Hi Gabor, Technically that message is indicating that the state of an IP route in the TX board's route table has changed. I don't have an exhaustive list of what can trigger it, but the only case I have ever seen it is when an Ethernet interface goes down/comes back up (there is no message to TXALARM explicitly showing Ethernet-level up/down). If the SCTP associations stayed up, I guess there must have been another way to reach the destination (multi-homed TX board I assume). Otherwise the heartbeats should have timed out long before 01:17:23 (SCTP isn't very quick to detect failures compared to MTP, but it's a lot faster than 6 minutes). Is that IP address (1.1.1.1) used for Sigtran on your system? It reminds me of the sample configuration redundancy IP addresses (10.1.1.1/10.1.1.2). If 1.1.1.1 isn't a local Sigtran address, then the message may be showing an unused IP going down/up. Best Regards, Greg B.
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