Create tc.md

Author: lwindolf

Cheat Sheets/Network/tc.md

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+tc is to set network traffic control settings
+
+A good guide can be found at https://linuxvox.com/blog/linux-tc-qdisc/
+
+## qdisc
+
+Add a PFIFO to drop after queue reaches 1000 packets
+
+    tc qdisc add dev eth0 root pfifo limit 1000
+
+Remove qdisc
+
+    tc qdisc del dev eth0 root
+
+Show current queue statistics
+
+    tc -s qdisc ls dev eth0
+
+Limit interface to max bandwith (from https://unix.stackexchange.com/questions/39218/throttle-the-download-speed-of-wget-or-curl-while-downloading#39219)
+
+    tc qdisc add dev eth0 root handle 1:0 netem delay 100ms
+    tc qdisc add dev eth0 parent 1:1 handle 10: tbf rate 256kbit buffer 1600 limit 3000