Watch route/link events iproute2
Live stream of route/link/addr/neigh changes; great for flapping debug
ip monitor all
more iproute2
all 12 commands →
Bridge FDB and ports
bridge fdb show br <name>; bridge link show
Per-socket TCP internals
ss -tip state established '( dport = :443 )'
Kill sockets by filter
ss -K dst <ip> dport = :8080
Add secondary IP
ip addr add 10.0.0.5/24 dev <name> && ip addr show dev <name>
Set interface MTU
ip link set dev <name> mtu 9000 && ip link set dev <name> up