My setup....
[A]FTP Server ----> [B]QOS Server ----> [C]Host
What I want to do.....
Setup a HTB class for 32kbps with a u32 filter to match a Destination IP.
I get a perfect result for a ftp `get' on [C].
ftp> get test
local: test remote: test
227 Entering Passive Mode (203,200,72,102,12,231)
150 Opening BINARY mode data connection for test (1025830 bytes).
##############################################################
########...................################
226 Transfer complete.
1025830 bytes received in 262 secs (3.8 Kbytes/sec)
ftp>
The working cfg on [B] is as under...
tc qdisc add dev eth0 root handle 10: htb
tc class add dev eth0 parent 10 classid 10:10 htb rate 32kbit ceil 32kbit
tc filter add dev eth0 parent 10: protocol ip prio 100 u32 match ip dst
203.200.72.91 flowid 10:10
But download becomes out of control when I delete, just the filter to
replace it with...
tc filter add dev eth0 parent 10: protocol ip prio 100 u32 match ip sport
20 0xffff flowid 10:10
---OR---
any sport/dport with a valu of 20,21,22 14,15,16 0014,0015,0016
When the test setup & the test procedure is the same.
It should work for the Protocol if it worked for the IP
!!!What could be wrong!!!!
I only change from `u32 match ip dst 203.200.72.91' to 'u32 match ip
<sport|dport> <ftp-ports> 0xffff'
I tried with all known <ftp-ports> as `sport' & `dport' both in decimal &
Hex.
Regards,
Somesh Banerji
Sr. Engineer
HCL Comnet System & Services
NOIDA U.P. INDIA
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