Hi,everyone, Who can tell me where I can download ns-allinone 2.1b1 and 2.1b2? Although in http://www-mash.cs.berkeley.edu/dist/vint there is a file named ns-allinone 2.1b2,I find in fact it is the same as 2.1b4.Maybe there are some wrong with the name. Zhai __________________________________________________ ��ӭʹ�ý���������ѵ����ʼ�ϵͳhttp://www.990.net