http://www.linuxidc.com/Linux/2015-01/111432.htm
[host]# yum install quagga [host]#cp /usr/share/doc/quagga-XXXXX/zebra.conf.sample /etc/quagga/zebra.conf [host]#service zebra start [host]#chkconfig zebra on
启动vtysh shell 命令，输入：
[host]# vtysh
提示将被改成该主机名，这表明你是在vtysh shell中。
Router-A#
