We do simple traffice shaping and I'm having trouble figuring out how to shape vpn traffic using a tc filter.
The following filter works fine for SSH
tc filter add dev eth2 parent 1:0 protocol ip u32 match ip sport 22 0xffff classid 1:10
The following throws and "Illegal match" error when trying to filter GRE traffic.
tc filter add dev eth2 parent 1:0 protocol ip u32 \
match ip protocol 47 0xff \
match ip u16 0x10 00ff at 24 \
classid 1:10
Any pointers are greatly appreciated!
CentOS 4.4 - 2.6.9-42.0.3.ELsmp
Thanks!
Craig
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