网卡流控,linux下使用tc流量控制命令模拟网络延迟和丢包"/>
linux 网卡流控,linux下使用tc流量控制命令模拟网络延迟和丢包
如何使用tc模拟网络延迟和丢包
修改网络延时: sudo tc qdisc add dev eth0 root netem delay 1000ms
查看流量管理:tc qdisc show
删除策略:sudo tc qdisc del dev eth0 root netem delay 1000ms
验证效果:ping 192.168.102.124 -c 20
修改丢包率:sudo tc qdisc add dev eth0 root netem loss 10%
删除策略:sudo tc qdisc del dev eth0 root netem loss 10%
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配置网络超时
[root@dev-xx-xx ~]# tc qdisc del dev eth0 root netem delay 100ms
RTNETLINK answers: Invalid argument
[root@dev-xx-xx ~]# tc qdisc show
qdisc mq 0: dev eth0 root
qdisc pfifo_fast 0: dev eth0 parent :1 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: dev eth0 parent :2 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: dev eth0 parent :3 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
qdisc pfifo_fast 0: dev eth0 parent :4 bands 3 priomap 1 2 2 2 1 2 0 0 1 1 1 1 1 1 1 1
[root@dev-xx-xx ~]# tc qdisc add dev eth0 root netem delay 100ms
[root@dev-xx-xx ~]# ping 192.168.102.124
PING 192.168.102.124 (192.168.102.124) 56(84) bytes of data.
64 bytes from 192.168.102.124: icmp_seq=1 ttl=64 time=0.074 ms
64 bytes from 192.168.102.124: icmp_seq=2 ttl=64 time=0.066 ms
64 bytes from 192.168.102.124: ic
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linux 网卡流控,linux下使用tc流量控制命令模拟网络延迟和丢包
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