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What is the relevance of "fe80::1%lo0 localhost" in /etc/hosts?

Fresh7 days ago
Mar 15, 202670712 views
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Problem

Following are the entries in my . I was wondering what is the last entry ( ) for.

Error Output

127.0.0.1 localhost
255.255.255.255 broadcasthost
::1 localhost
fe80::1%lo0 localhost

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Fix for: What is the relevance of "fe80::1%lo0 localhost" in /etc/hosts?

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It's an IPv6 address. The fe80:: block is reserved for link-local addresses. Link local addresses are used for packets sent only to directly connected devices (not routed). The network discovery protocol (NDP) is the biggest user of link-local addre…

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