How to set Hop Limit for IPv6

Solution Unverified - Updated -

Issue

  • How to set Hop Limit for IPv6
  • Hop Limit for IPv6 has been adjusted to 128 but it's not reflecting:
# sysctl net.ipv6 | grep limit
net.ipv6.conf.all.hop_limit = 128
  • TTL of ping is still 64:
# ping6 fc00::3
PING fc00::3(fc00::3) 56 data bytes
64 bytes from fc00::2 icmp_seq=1 ttl=64 time=0.038 ms

Environment

  • Red Hat Enterprise Linux
  • IPv6

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