I checked the 6 steps in the article you provided: 1 - make sure ipv6 is enabled - okay 2 - check ipv6 default route - okay 3 - ping via ipv6 from workstation to firewall internal interface, host name and IP address - okay 4 - ping via ipv6 from firewall external interface to external host - NOT OKAY 5 - ping via ipv6 from firewall internal interface to external host - okay So this is weird, workstations have no trouble with ipv6, they can visit sites, ping sites and all that. The problem is, agentless user-id is inconsistent with ipv6 clients. Not sure why step 4 from above will not work.
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