How to set Hop Limit for IPv6

Solution Unverified - Updated -


  • 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


  • Red Hat Enterprise Linux
  • IPv6

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content