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4

How can i solve this?????. You will have to read the documentation1 for your version of ipcalc for yourself to determine the solution to your problem but my guesses your version of ipcalc does not support IPv6 you need to add the -6 switch (or similar) to advise the program you are providing an IPv6 address. Gravity waves 1 You didn't provide any ...


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The net.ipv6.ip_nonlocal_bind sysctl was added in kernel 4.3, so if you're running a more bleeding-edge system, you can now solve this problem directly with the sysctl, rather than working around the problem with init script hacks.


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1800 seconds sounds like a default timeout for a Router Advertisement. My first guess would be that there is a Cisco router on the network that is configured with ipv6 nd ra suppress on the interface. In that mode the router will send out an RA when a host requests one with an RS, but doesn't refresh it regularly. A host sends an RS when bringing up the ...


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You have not stated what the router is supposed to be doing or what speed / memory is available in your servers. But regardless, these goals can be potentially accomplished using just one of the two servers. It will act as a router for itself, using a VLAN that is restricted to the single device, and which doesn't go to any real physical port. You would ...


1

I ran into the same issue. After following the logic through the rules that firewalld puts in I found that the drop zone was blocking ipv6 icmp that is needed to find the ipv6 neighbors. There is a rule to allow all ipv6 icmp but firewalld puts it after the input zones which is where the drop rules go. If you want to see this for yourself just look at the ...



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