Hi. I want to drop silently locally generated packets on a specific interface. I tried 2 approaches:
tc qdisc del dev eth0 root tc qdisc add dev eth0 root handle 1: htb tc filter add dev eth0 parent 1: proto ip u32 match ip dst 10.10.10.1 flowid 1:1 police conform-exceed drop/drop tc qdisc del dev eth0 root tc qdisc add dev eth0 root handle 1: prio bands 2 priomap 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 tc qdisc add dev eth0 parent 1:2 handle 3:0 netem drop 100 tc filter add dev eth0 parent 1: proto ip u32 match ip dst 10.10.10.1 flowid 1:2 Both work (drop the packets to 10.10.10.1 and pass any others) but when I run "ping 10.10.10.1" I get after some time continuously "ping: sendmsg: No buffer space available". Any idea why is this happening? As well how could I drop packets without application being able to detect it? Thanks much, Alexander
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