Re: [LARTC] howto mark packets

2003-11-25 Thread [EMAIL PROTECTED]
hi cezar, why not use the TOS mark -- it is carried in the packet's tcp header ... you can only have 8 types/marks however ... cheers charles On Mon, 2003-11-24 at 17:03, Cezar Atanasiu wrote: On Mon, 24 Nov 2003 16:43:40 +0100 Eric Leblond [EMAIL PROTECTED] wrote: Le lun 24/11/2003

[LARTC] howto mark packets

2003-11-24 Thread Cezar Atanasiu
Hi folks, Basically I have this : |Router A| - ethernet --- | SWITCH | --- ethernet |ROUTER B| What I need : to mark packets passing through ROUTER A in such way that the marks remain until they reach ROUTER B, so that the router can decide what to do with them based on the

Re: [LARTC] howto mark packets

2003-11-24 Thread Eric Leblond
Le lun 24/11/2003 à 16:16, Cezar Atanasiu a écrit : Hi folks, The questions : 1. can that be done ? not that way, fw mark are lost when you leave the computer 2. if the answer to the first q. is yes, can that be done w/o patching the kernel on the first router w/ experimental

RE: [LARTC] howto mark packets

2003-11-24 Thread Dick Shorter
] howto mark packets 2. if the answer to the first q. is yes, can that be done w/o patching the kernel on the first router w/ experimental patches ? you can do that in a capillotracté way (such an idea) by using tunnels (gre or ipip) and doing some iproute2 an A do push packet in a tunnel

Re[2]: [LARTC] howto mark packets

2003-11-24 Thread Peteris Krumins
Hello Cezar, CA Hmm, that would become too complicated. There is no other way ? Quick and dirty solution would be to mark packets on Router A by changing the TOS to some known value (iptables/ -t mangle -j TOS --set-tos ..) and filtering by TOS value on Router B (tc/ filter u32 match ip tos