GNS3 vs TRex
| GNS3 | TRex | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Web, Windows | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Deployment | — | self_hosted |
| Test methods | — | both |
| Protocol support | — | TCP, UDP, ARP, ICMP, IPv6/ND, DHCPv4/v6, IGMP, DNS, DOT1X, LLDP, mDNS, NetFlow/IPFIX, OSPF, RIP, and GTP-U |
| API access | — | Yes |
Both are listed in Best Network Testing Software. On Specifiction, TRex scores higher on our published basis.