Re: hbt doubt

Linux Advanced Routing and Traffic Control

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James Lista wrote:
> 
> please, what do those 2 following lines do ?  mainly that "drop flowid :1"
> ?
> 
> tc qdisc add dev $WAN handle ffff: ingress
> tc filter add dev $WAN parent ffff: protocol ip prio 50 u32 match ip src
> 0.0.0.0/0 police rate ${DOWNLINK}kbit burst 10k drop flowid :1

They rate limit incoming packets.

"u32 match ip src 0.0.0.0/0" says to match everything.

"police rate ${DOWNLINK}kbit burst 10k" says to rate limit at DOWNLINK
kbits per second, but to accept (fairly large) bursts of data up to 10K
bytes.

"drop flowid :1" says to drop all packets in excess of the police rate.

HTH
gypsy
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