MTU / MSS / Protocol Overhead Analyzer
Estimate effective MSS, payload efficiency, and fragmentation risk for IP and tunnel overhead.
Parameters
Results
Assumptions
- 基礎 IPv4 首部按 20 字節、IPv6 按 40 字節、TCP 按 20 字節、UDP 按 8 字節計算。
Important notes
- TCP 選項、IPsec、GRE、VXLAN 等實際開銷必須計入額外封裝。
Standards and sources
Verified: 2026-09-05