Ipv6 address displayed "%" character instead of "/" character when both printer and system are in private network

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IPv6 address displayed "%" character instead of "/" character.
1.when the printer and system are connected to private network and IPv4 is disabled in system(PC).
2.printer is searched automatically using installer and displayed IPv6 address. But IPv6 address displayed as "FE80::F639:9FF:FE57:66F9%6" instead of "FE80::F639:9FF:FE57:66F9/64". Is this the expected behavior?

What I have tried:

IPv6 address displayed "%" character instead of "/" character.

Posted 12-Aug-19 19:37pm

Nitin R G

Updated 13-Aug-19 4:53am

v2

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OriginalGriff 13-Aug-19 1:55am

Without the code fragment you used to print it, how do you expect us to have any idea what you did wrong?

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Richard Deeming · Answer 1 · 2019-08-13T04:54:00

The number after the % is the "zone index" (aka "scope ID") for the address. It's used by the OS to determine which network interface to use when talking to the address.

IPv6 address - Wikipedia[^]
Why is there a percent sign '%' in the IPv6 address? - Super User[^]
https://tools.ietf.org/html/rfc4007[^]

The /64 is the CIDR prefix length. You're looking at a subnet rather than a specific address.

What does it mean /64 in IPv6 - Stack Overflow[^]