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Half is Not Enough
This command shows the interface speed and duplex as list for R77.xx and R80.10.
# ifconfig -a | grep encap | awk '{print $1}' | grep -v lo | grep -v bond | grep -v ":" | grep -v ^lo | xargs -I % sh -c 'ethtool %; ethtool -i %' | grep '^driver\|Speed\|Duplex\|Setting' | sed "s/^/ /g" | tr -d "\t" | tr -d "\n" | sed "s/Settings for/\nSettings for/g" | awk '{print $5 " "$7 "\t " $9 "\t" $3}' | grep -v "Unknown" | grep -v "\."

Version 1.1
Regards,
This command shows the interface speed and duplex as list for R77.xx and R80.10.
# ifconfig -a | grep encap | awk '{print $1}' | grep -v lo | grep -v bond | grep -v ":" | grep -v ^lo | xargs -I % sh -c 'ethtool %; ethtool -i %' | grep '^driver\|Speed\|Duplex\|Setting' | sed "s/^/ /g" | tr -d "\t" | tr -d "\n" | sed "s/Settings for/\nSettings for/g" | awk '{print $5 " "$7 "\t " $9 "\t" $3}' | grep -v "Unknown" | grep -v "\."

Version 1.1
Heiko Ankenbrand Credits from me also for the command, whose advantage is that is generic.
Heiko Ankenbrand Credits from me also for the command, whose advantage is that is generic.
;Very nice one, a very simple other command to show all interfaces with their IP and Mac address:
ifconfig | grep addr
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