Change the default value of TCP_MSS to 1440 and TCP_MSS Range : [576 1460]
@@ -294,12 +294,14 @@ menu "LWIP"
config TCP_MSS
int "Maximum Segment Size (MSS)"
- default 1436
- range 1220 1436
+ default 1440
+ range 576 1460
help
Set maximum segment size for TCP transmission.
- Can be set lower to save RAM, the default value 1436 will give best throughput.
+ Can be set lower to save RAM, the default value 1460(ipv4)/1440(ipv6) will give best throughput.
+ IPv4 TCP_MSS Range: 576 <= TCP_MSS <= 1460
+ IPv6 TCP_MSS Range: 1220<= TCP_mSS <= 1440
config TCP_MSL
int "Maximum segment lifetime (MSL)"
