Re: tc and iptables trouble

Linux Advanced Routing and Traffic Control

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On Wed, 2004-11-24 at 16:59 +0200, Claudiu Gafton wrote:
> On Wed, 2004-11-24 at 15:15 +0100, LluÃs Gili wrote:
> > Hi all
> > I have a trouble configuring the qdiscs, when I indicate the "perturb
> > 10" option to tc, i gives me this error:
> >  
> > tc qdisc add dev eth0 parent 5:1323 handle 1323 sfq perturb 10
> > RTNETLINK answers: Invalid argument
> >  
> > if I don't put the "perturb 10" option, it works.
> 
> perturb 10 it's used by default!!! 
> nice parent class 5:1323 :o
>  
> > another question is about iptables, when I indicate the " --set-mark"
> > option:
> >  
> > iptables -t mangle -A egress -s 10.0.0.124 -j MARK --set-mark 1323
> > iptables: Invalid argument
> 
> When you "--set-mark 1323", iptables try to transform it in HEX... give
> it a lower value, like 132! 1323 in HEX = 52B and I think that it
> doesn't know how to use 52B as a mark... 
Oh.... sorry, it works ! I put in PREROUTING a MARK 1323 and it was
transformed OK into 0x52b !
I think that the problem it's the egress append! Please be more
specific!
>  
> > which will be the problem?
> > I'm using Debian testing, with kernel 2.6.9 compiled with netfilter
> > patches, iptables 1.2.11, iproute2 2.6.9-1, and I have these modules
> > loaded: 
> >  
> > Module                  Size  Used by
> > ebt_mark_m              1096  -
> > ebt_mark                1096  -
> > ebtables               17768  -
> > ipt_mark                1128  -
> > sch_wrr                11176  -
> > sch_teql                4168  -
> > sch_dsmark              5224  -
> > cls_route               4936  -
> > ipt_tcpmss              1640  -
> > cls_tcindex             5256  -
> > cls_u32                 5772  -
> > sch_ingress             2604  -
> > ipt_TCPMSS              3208  -
> > iptable_filter          1864  -
> > ipt_MARK                1512  -
> > cls_fw                  3208  -
> > iptable_mangle          1832  -
> > ppp_async               7816  -
> > crc_ccitt               1512  -
> > ip_gre                  8672  -
> > sch_esfq                4936  -
> > sch_netem               4808  -
> > ipt_connlimit           2248  -
> > ipt_connmark            1160  -
> > sch_gred                5704  -
> > sch_red                 3368  -
> > sch_hfsc               16360  -
> > sch_cbq                13864  -
> > sch_prio                3528  -
> > sch_tbf                 4168  -
> > iptable_nat            20264  -
> > ip_conntrack           37076  -
> > ip_tables              13440  -
> > ppp_mppe_mppc          13384  -
> > ppp_generic            17788  -
> > slhc                    6312  -
> > sch_sfq                 4168  -
> > sch_htb                20488  -
> > rtc                     8640  -
> > 8139too                16936  -
> > mii                     3464  -
> > crc32                   3688  -
> > 
> > Thank you for your time, and sorry my BAD english !!!
-- 
Claudiu Gafton <lartc@xxxxx>
Alvatec Data SRL

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