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IPV6

Subject: IPV6
Author: Chad Purvis
Posted: 2018-03-15 08:38

I have Control Center 1.5.0 installed with Zenoss Core 6.1.0 running on a single Redhat 7.4 host.  I've got everything working with the exception of being able to ping IPV6 addresses from within Core.   I am able to ping ipv6 addresses directly from the host machine.  The only documentation that i've found for this is the one little section in the Core Configuration Guide.  I am wondering if I'm missing something else.  Below are the settings as they appear in my files on the server.  If someone could let me know what I'm missing I would greatly appreciate it.

[root@nms sysctl.d]# more ipv6.conf
net.ipv6.conf.all.forwarding=1
[root@nms sysctl.d]# more /etc/sysconfig/docker
OPTIONS='--log-level=error --storage-driver devicemapper --exec-opt native.cgroupdriver=cgroupfs --storage-opt dm.mountopt=discard --storage-opt dm.thinpooldev=/dev/mapper/docker-docker--pool --dns=172.17.0.1 --bip=172.17.0.1/16 --ipv6 --fixed-cidr-v6="2607:7c00::/32"'


Output of ping command directly from command line.

[root@nms sysctl.d]# ping6 -c 5 ipv6.google.com
PING ipv6.google.com(2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64)) 56 data bytes
64 bytes from 2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64): icmp_seq=1 ttl=49 time=6.36 ms
64 bytes from 2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64): icmp_seq=2 ttl=49 time=6.38 ms
64 bytes from 2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64): icmp_seq=3 ttl=49 time=6.33 ms
64 bytes from 2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64): icmp_seq=4 ttl=49 time=6.35 ms
64 bytes from 2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64): icmp_seq=5 ttl=49 time=6.39 ms
--- ipv6.google.com ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4004ms
rtt min/avg/max/mdev = 6.336/6.367/6.395/0.103 ms

Output of ping command from within core.

[root@nms sysctl.d]# serviced service attach zenping ping6 -c 1 ipv6.google.com
PING ipv6.google.com(2607:f8b0:4002:c00::64 (2607:f8b0:4002:c00::64)) 56 data bytes

--- ipv6.google.com ping statistics ---
1 packets transmitted, 0 received, 100% packet loss, time 0ms

------------------------------
Chad Purvis
Network Services Supervisor
Plant TiftNet, INC.
Tifton GA
2295201790
------------------------------


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