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PSA: IPv6 connection failures with TSO enabled in pfSense+ 25.11

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marcosm Netgate
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pfSense+ version 25.11 can fail to connect to Netgate package servers over IPv6 when TCP segmentation offload (TSO) is enabled. Affected users will need to revert the TSO option back to its default setting. See:
https://docs.netgate.com/pfsense/en/latest/releases/25-11.html#ipv6-connection-failures-with-tso-enabled
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