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I added IP6 addresses on my filers. The config looks like this now:

vmshe-fas3070-12> ifconfig -a

...

e0c: flags=148043<UP,BROADCAST,RUNNING,MULTICAST,TCPCKSUM> mtu 1500

inet6 2008:cccc:bbbb:aaaa::4 prefixlen 64 tentative

inet6 fe80::2a0:98ff:fe0a:1d59 prefixlen 64 scopeid 0x2 autoconf tentative partner e0c (not in use)

ether 00:a0:98:0a:1d:59 (auto-1000t-fd-enabling) flowcontrol full ..

vmshe-fas3070-11> ifconfig -a

e0c: flags=4948043<UP,BROADCAST,RUNNING,MULTICAST,TCPCKSUM,NOWINS> mtu 1500

inet6 fe80::2a0:98ff:fe0c:8a3d prefixlen 64 scopeid 0x2 autoconf

inet 192.168.0.90 netmask 0xffffff00 broadcast 192.168.0.255

inet6 2008:cccc:bbbb:aaaa::7 prefixlen 64

partner e0c (not in use)

ether 00:a0:98:0c:8a:3d (auto-1000t-fd-up) flowcontrol full

They both can ping one another...

vmshe-fas3070-12> ping6 2008:cccc:bbbb:aaaa::7

PING6(56=4088 bytes) 2008:cccc:bbbb:aaaa::4 --> 2008:cccc:bbbb:aaaa::7

16 bytes from 2008:cccc:bbbb:aaaa::7, icmp_seq=0 hlim=64 time=1 ms

vmshe-fas3070-11> ping6 2008:cccc:bbbb:aaaa::4

PING6(56=4088 bytes) 2008:cccc:bbbb:aaaa::7 --> 2008:cccc:bbbb:aaaa::4

16 bytes from 2008:cccc:bbbb:aaaa::4, icmp_seq=0 hlim=64 time=0 ms

But cannot ping on the fe80 addresses.

vmshe-fas3070-11> ping6 fe80::2a0:98ff:fe0a:1d59

PING6(56=4088 bytes) :: --> fe80::2a0:98ff:fe0a:1d59

sendmsgping6: wrote fe80::2a0:98ff:fe0a:1d59 16 chars, ret=-65

sendmsgping6: wrote fe80::2a0:98ff:fe0a:1d59 16 chars, ret=-65

There aren't any firewalls up. My cisco switch has all the ports on the same default vlan.

I added a "2008" IP to the vmkernel but I can't ping it.

# esxcfg-vmknic -l

Interface Port Group/DVPort IP Family IP Address Netmask Broadcast MAC Address MTU TSO MSS Enabled Type

vmk0 VMkernel IPv4 192.168.0.6 255.255.255.0 192.168.0.255 00:50:56:7e:c5:d6 1500 65535 true STATIC

vmk0 VMkernel IPv6 fe80::250:56ff:fe7e:c5d6 64 00:50:56:7e:c5:d6 1500 65535 true STATIC

vmk0 VMkernel IPv6 2008:cccc:bbbb:abab::3 64 00:50:56:7e:c5:d6 1500 65535 true STATIC

vmshe-fas3070-12> ping6 2008:cccc:bbbb:abab::3

PING6(56=4088 bytes) :: --> 2008:cccc:bbbb:abab::3

sendmsgping6: wrote 2008:cccc:bbbb:abab::3 16 chars, ret=-65

sendmsgping6: wrote 2008:cccc:bbbb:abab::3 16 chars, ret=-65

--- 2008:cccc:bbbb:abab::3 ping6 statistics ---

2 packets transmitted, 0 packets received, 100% packet loss

# esxcfg-route -f V6 -l

VMkernel Routes:

Network Netmask Gateway

2008:cccc:bbbb:abab:: 64 Local Subnet

fe80:: 64 Local Subnet

ff01:: 32 Local Subnet

ff02:: 32 Local Subnet

Unfortunately, I don't have anything else on this private network with IPv6 to ping....hmmm

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