RHEL ignoring `ICMP 70 Destination unreachable (Fragmentation needed)` packets
Issue
Communication is intermittently hanging or timing out. Upon investigating it is determined that the system is ignoring ICMP 70 Destination unreachable (Fragmentation needed) packets
Environment
- Red Hat enterprise linux
- with
net.ipv4.conf.*.rp_filter = 1
- with
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