Limit Outgoing Bandwidth using 'tc' Command

You can limit the outgoing bandwidth on server with the tc tool as shown below

(1) Limit the bandwidth to 1MBps on the node(Xen node with brdge network)

#tc qdisc add dev peth0 handle 1: root htb default 11

#tc class add dev peth0 parent 1:1 classid 1:11 htb rate 1Mbit

#tc -s qdisc ls dev peth0

Note: peth0 is the bridge name. For a dedicated server it should be eth0

(2) bandwidth limiting With a Xen PV VM.

#tc qdisc add dev viftest1.0 handle 1: root htb default 11

#tc class add dev viftest1.0 parent 1:1 classid 1:11 htb rate 1Mbit

#tc -s qdisc ls dev peth0