[Bug 262316] em(4) does not autonegotiate when fixed media is set
- In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 262316] em(4) does not autonegotiate when fixed media is set"
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Thu, 03 Mar 2022 16:36:50 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=262316 J.R. Oldroyd <fbsd@opal.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|Not A Bug |--- Status|Closed |Open --- Comment #2 from J.R. Oldroyd <fbsd@opal.com> --- Stefan, I believe you are mis-reading the standard. You are quoting what the standard says to do in the event of autonegotiation failure. In that event, setting half-duplex is indeed the required behavior. However, citing from the same article that you cited, "The Ethernet standards and major Ethernet equipment manufacturers recommend enabling autonegotiation." If both ends of a link are not under common administrative control, it may not be possible to set both ends to matching modes. Clearly, having a device inform the other end what its configured capabilities are is preferable to having a non-working link. -- You are receiving this mail because: You are the assignee for the bug.