Please click the following link to download ns-3.45, released June 1, 2025:

  • ns-3.45 (compressed source code archive)

The sha1sum of the ns-3.45.tar.bz2 release archive is 9b0bc3c3a35ec17e9afabbff86e3c1eef1d5fc91

Please click the following link to download ns-allinone-3.45, released August 17, 2025:

The sha1sum of the ns-allinone-3.45.tar.bz2 release archive is b47774dd89ec770a3bc88cf95251319aa0266afc