Players of Call of Duty: Black Ops 2 have reported persistent matchmaking and friend-joining difficulties linked to Strict NAT types. A community guide on Reddit explains that NAT settings—Open, Moderate, and Strict—determine how routers manage incoming connections, with Strict NAT severely restricting multiplayer connectivity. Because Black Ops 2 uses peer-to-peer hosting rather than dedicated servers, Strict NAT can cause long matchmaking waits, high latency, and prevent joining friends' games. The guide offers practical steps to adjust router settings and improve connectivity, helping players restore smoother multiplayer sessions.
- Strict NAT limits incoming connections, causing matchmaking delays and join failures.
- Guide provides actionable router configuration tips to alleviate connectivity issues.