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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 "\."

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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