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Is any way to detect changed MAC adresses? Someone taught change MACs peoples in my network and I have problems. E.g. Two computers working on one MAC, and one IP (static ARP and DHCP). WinXP is screaming some message... that two computers or more have the same IP. How can I find out who''s changed MAC?

What''s wrong... I have Celeron 633MHz nd 768Mb RAM. When I''m running my script everything is OK, but when I''m connecting Internet and LAN link computer is hanging. But when i dissconnect this everything is OK. I have 500 users, 1500 classes and 3000 filters. Is it normal? What should I do?

I''ve network with NATed hosts. I want to catch only all traffic going from my server, but I don''t want catch NATed traffic from LAN. I need only traffic going from/to my server (traffic from INPUT, OUTPUT chain in iptables) (like SSH, postfix, WWW or proxy). This is throw all traffic from my LAN to IFB: $TC qdisc add dev $iface_lan handle ffff: ingress $TC qdisc add dev

What is the difference between lines below? $TC filter add dev imq0 parent 1:0 prio 5 handle 1: protocol ip u32 divisor 1 $TC filter add dev imq0 parent 1:0 prio 5 handle 2: protocol ip u32 divisor 256 What divisor is doing? And the last problem... $TC filter add dev imq0 protocol ip parent 1:0 prio 5 u32 ht 800:: match ip src 10.0.0.0/16 hashkey mask 0x000000ff at 12 link 2: Why after ht

I have some filters.. like this: $TC filter add dev $dev_isp protocol ip parent 3:0 pref 3 u32 match ip protocol 6 0xff match ip sport $prt 0xffff flowid 3:2 I throw only few types of packets to 3:2, all other traffic I want to put on 3:3, but this doesn''t work(!): $TC filter add dev $dev_isp protocol ip parent 3:0 pref 4 flowid 3:2 When type that command I have this: Unknown filter

$TC filter add dev imq0 parent 1:0 prio 5 protocol ip u32 $TC filter add dev imq0 parent 1:0 prio 5 handle 2: protocol ip u32 divisor 256 for ((j=0; j<=7; j++)) do for ((i=0; i<=255; i++)) do q=`printf "%x\n" $i` $TC filter add dev imq0 protocol ip parent 1:0 u32 ht 2:$q: match ip src 10.0.$j.$i flowid 1:10 echo "$q 10.0.${j}.$i" done done $TC

I''ve made some tests... eth2 is my internal interface, LAN is connected here. Before I had IMQ device in AB mode... PREROUTING [A]fter NAT, POSTROUTING [B]efore NAT. I want the same situation on ifb. I do this in this way: --- # incoming traffic here from LAN is before NAT tc qdisc add dev eth2 handle ffff: ingress # outcoming traffic here from WAN is after NAT tc qdisc add dev eth2

Hello everyone... I have a little trouble and need some help :P How can I check on which interface the packet is going (eth0, eth1; I have two ISP and on eth3 little LAN), using to check it TC and IMQ? (HTB script) I tried to mark packets, but on chain POSTROUTING this does not work... Maybe because packets fall on IMQ before signing. I tried marking it on FORWARD but packets also