Thanks for link http://www.squidworks.net/2012/08/pfsense-2-0-limiting-users-upload-and-download-speeds-by-limiting-bandwidth/
– Firewall –> Traffic Shaper –> Limiter
– Create New Limiter for limit download
1. Click Enable
2. Set name to LimitDownLan
3. Set Bandwidth allowed (80Kbps)
4. Mask Source Address
5. Give a description
6. Save
– Create New Limiter for limit upload
1. Click Enable
2. Set name to LimitUpLan
3. Set Bandwidth allowed (1mb)
4. Mask Source Address
5. Give a description
6. Save
– Setting Rules
Test Bandwidth Before Set Limiter
Test Bandwidth After Set Limiter
Download Before Set Limiter
Download After Set Limiter
CMIIW, Thanks 