Update cheatsheets

ipaggcreate

@@ -0,0 +1,21 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# ipaggcreate
+
+> Produce aggregate statistics of TCP/IP dumps.
+> More information: <https://manned.org/ipaggcreate>.
+
+- Count the number of packets sent from each source address appearing in a pcap file:
+
+`ipaggcreate --src {{path/to/file.pcap}}`
+
+- Group and count packets read from a network interface by IP packet length:
+
+`ipaggcreate --interface {{eth0}} --length`
+
+- Count the number of bytes sent between each address pair appearing in a pcap file:
+
+`ipaggcreate --address-pairs --bytes {{path/to/file.pcap}}`