yum install wireshark
yum install wireshark-gnome
http://cache.baiducontent.com/c?m=9d78d513d98316f902bed2690c66d271182497634bc0d1657cc39339d63f1b16063cb0fb7e351174c4b57e7071af5e2aefe74670200250a0ebbe9f3bacace22938f95620375cd84e48955feddc4756dc3dc004b4fa0ee7cda173c5f2c5d3a808048c4e553adba5d11c5f4f963aed4771a5fdc816424246edab633ea1186a2f942045b043fde1&p=8b2a971b8c8704eb08e2947e0f7a80&newp=873fd115d9c341ad34b48c2d0214c1231610db2151d7d4146b82c825d7331b001c3bbfb423231a0ed1cf7b6d04ad4c5aedfa337830032ba3dda5c91d9fb4c57479e47e2c&user=baidu&fm=sc&query=redhat7%2E1+wireshark%B0%B2%D7%B0%BD%CC%B3%CC&qid=eba6d93b0000bcc1&p1=3