Why do we see "TTL expired in transit" while trying to ping an IP assigned on a Red Hat Enterprise Linux host?

Solution Unverified - Updated -

Issue

  • We observed that Virtual IPs are taking longer time to resolve whenever we reboot the server or restart the cluster.
  • I get the below ping results when I try to ping the virtual host/ IPs after restarting the node:
>ping 1.1.1.2
Pinging 1.1.1.2 with 32 bytes of data:
Reply from 1.1.1.2: TTL expired in transit.
Reply from 1.1.1.2: TTL expired in transit.
Reply from 1.1.1.2: TTL expired in transit.
Reply from 1.1.1.2: TTL expired in transit.

>ping 1.1.1.3
Pinging 1.1.1.3 with 32 bytes of data:
Reply from 1.1.1.3: TTL expired in transit.
Reply from 1.1.1.3: TTL expired in transit.
Reply from 1.1.1.3: TTL expired in transit.
Reply from 1.1.1.3: TTL expired in transit.
  • What does these messages indicate?

Environment

  • Red Hat Enterprise Linux (RHEL).

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