Jumbo frames not working on MT7530
Username: Porterhouse
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=2287
DISTRIB_ID='OpenWrt' DISTRIB_RELEASE='SNAPSHOT' DISTRIB_REVISION='r9992-86fd8cb4' DISTRIB_TARGET='ramips/mt7620' DISTRIB_ARCH='mipsel_24kc' DISTRIB_DESCRIPTION='OpenWrt SNAPSHOT r9992-86fd8cb4' DISTRIB_TAINTS=''
system type : MediaTek MT7620A ver:2 eco:6 machine : Edimax BR-6478AC v2 processor : 0 cpu model : MIPS 24KEc V5.0 BogoMIPS : 385.84 wait instruction : yes microsecond timers : yes tlb_entries : 32 extra interrupt vector : yes hardware watchpoint : yes, count: 4, address/irw mask: [0x0ffc, 0x0ffc, 0x0ffb, 0x0ffb] isa : mips1 mips2 mips32r1 mips32r2 ASEs implemented : mips16 dsp Options implemented : tlb 4kex 4k_cache prefetch mcheck ejtag llsc pindexed_dcache userlocal vint perf_cntr_intr_bit nan_legacy nan_2008 perf shadow register sets : 1 kscratch registers : 0 package : 0 core : 0 VCED exceptions : not available VCEI exceptions : not available
root@ap-02:# ifconfig eth0 mtu 1500
root@ap-02:# ifconfig eth0 mtu 1501
ifconfig: SIOCSIFMTU: Invalid argument
root@ap-02:# ifconfig eth0 mtu 9000
ifconfig: SIOCSIFMTU: Invalid argument
root@ap-02:# ifconfig eth0 mtu 1400
root@ap-02:~#
Should support 9k frames (
https://files.iczoom.com/hjiczoom/images/public/basicproduct/1478829119360_MT7530W.pdf
)