1.在http://www.isi.edu/nsnam/ns/ns-build.html下载ns-allinone-2.31.tar.gz.
2.解压ns-allinone-2.31.tar.gz.
3.在安装之前,先安装以下文件
apt-get install tcl8.4
apt-get install tcl8.4-dev
apt-get install tk8.4
apt-get install tk8.4-dev
apt-get install libxmu-dev
4.安装ns-allinone-2.31
