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IPv6 on Cisco switch

When running ipv4 and ipv6 on a cisco switch is the command really necessary.

sdm prefer dual-ipv4-and-ipv6 default

I did not run the command on a 3750 switch and enabled ipv6 did not have any issues.

The command is also not working on a 2960 and 3550.

Please advice.
Networking Protocols

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Don Johnston

8/22/2022 - Mon
Don Johnston

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