similar to: Personal Firewalls

Hi all, As I read into the forum, NATting (SNAT) is expensive, using iptables to translate IP sucks the performance of the system. I just want to know if IProute2 can handle NATting and if it handels NATting can it performed faster than iptables? thanks, Wennie

Ok, the story is this, I''m running an Unreal Tournament 2004 server. It''s running on a system that has two external NICs that are connected to different ISPs. I would like players to be able to connect to the server from either link. My default gateway goes through NIC1. For traffic through NIC2 to work I simply added an extra routing table and rule. The extra routing table has

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?

Hi All, This is out of the topic question, but I''m hoping that you can help me. If for example I''m going to install a Fedora 4 64-bit with 8 to 12 Gig of physical memory, how much swap file of directory do I need to create? Thank you very much, Wennie

what is the limit on the arp cache entires ?! Does someone have very big LANs with linux-routers ? How big ? (i mean flat L2 network, not segmented) I want to know how much can my net can scale ? thanx _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

Guys I''m looking for some advice on the following situation: We''re serving a residential complex with internet, the network has grown and with it has the problems, below is a descriptive layout of our current setup: Connection: ADSL Down/Up speed: 512kbps/256kbps (1024kbps/256kbps in the near future) 2.0GHz Celeron D with 512MB RAM Current users: 140 Maximum amount of users:

I''m looking for a program that will replace the automatic ARP table population by the Linux kernel. The daemon should fix the MAC <-> IP entry from the IP of the first packet with that MAC received. Is there anything like this? -- damjan | дамјан This is my jabber ID --> damjan@bagra.net.mk <-- not my mail address!!! _______________________________________________ LARTC

Hi, A majority of our work inolves ftp to my clients'' side over our slow connection. Now we need to allocate a greater b/w for this protocol. Is there anyway I can do it using lartc easily? Any suggestions on this please? With warm regards, -Payal _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc

Hello, I''m looking how (if) can I solve the following problem using HTB and iproute2: I need to assing the same bandwidth limit to every client, but the problem is that clients will be random - i.e. I know niether number of clients no IP or MAC addresses. If anybody knows FreeBSD''s ipfw2 - I''m looking for something like "ipfw pipe 150 config mask dst-ip 0xffffffff

Hello, I have a problem with the latency of the packets passing a Linux router, and I thought perhaps you could put some light on it. It''s quite simple. I have one ADSL connection, and a LAN. The gateway is the Linux machine or a Windows XP machine. When the wXP is routing, for a host inside the LAN, the latency of, for example, the Counter Strike game to a given server is around 20 to 30

Hi, How can I set equal bandwidth of 512kbit downlink and 256kbit uplink for every single IP address of 254 IP addresses I have in my LAN? Regards, ro0ot

Hello there, Can someone please explain why do one neeed IMQ ? I can already shape incoming traffic on my nat router by creating qdiscs on LAN-side interface. I have done some tests, whith simple bandwidth limmiting, and it works. I''ve read just about all the stuff on www.linuximq.net ... but couldn''t make myself an ideea on why would someone need IMQ for ingress policing ...

Hi guys, Can you take a look at this? :) +-----------+ | | eth1-|- | | -|-eth0---LAN--- | | eth2-|- | | | +-----------+ - eth0 is connected to the LAN having the IP=LAN_IP eth1 is connected to the first ISP having IP=ISP_IP_1 and GW=ISP_GW_1 eth2 is connected to the second ISP having IP=ISP_IP_2 and GW=ISP_GW_2 I need

Hi folks. This message may be a bit verbose and not as techie as the ones I''ve seen in this list, but describing the scenario will save a lot of messages. Scenario: A building with 17 floors, each floor with 24 offices (totals 408 offices) connected to the backbone through a border switch (1 vlan for each office). The offices can lease bandwidth of 64k, 128k, 256k, 512k, 1M and 2Mbps,

I have an htb qdisc setup and it is shaping my traffic wonderfully but I''ve just recently started taking a look at the output from the command tc -s class ls dev eth? Looking at the "rate" line I thought to myself..."cool I can use this to graph throughput avg.es without having to worry about the "Sent bytes" rolling over or being lost when the htb qdisc is

Hi, I''ve a local LAN consisting of about 150 machines. I''m using a Linux machine as the gateway machine which inturn connects to two different ISPs. My question is can a Linux based machine match the performance of a hardware based routers provided by Cisco,... OR is my decision to go for a Linux based solution is a wrong one?. Is there so much difference between these

Sir, Kindly excuse me. I am a newbie to LARTC.. I am a small ISP in rural India distributing 1 MB link to 200 people. I have been using rshaper by Alessandro Rubini for shaping. http://freshmeat.net/projects/rshaper/ My kernel is Linux version 2.4.22-1.2115.nptl( Fedora Core 1) Rshaper is very good in controlling incoming bandwidth (from LAN) I use Squid also on this Linux Box.. Right

hi, anyone to know a tool that will display more friendly output ... probably a tree like structure (if no cross sections occur)... OR a top like output... thanx raptor _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/

Guys All the recent discussions recently, and the knowledge of a 2.6 port, of WRR has made me very keen on trying it. I had a look at the docs and examples know but my mind is not in a very receptive state. Take this simple example. Incoming internet connection of 1mbps. Shared between up to 25 users simultaneously. I know that WRR can fairly distribute the traffic amongst the currently

OK, I spammed the mailing list recently, but I will be fired if I can''t solve the problem today. (just kidding, but I did waste lots of time on it :( ) The common configuration for teql is for two computers connected directly with two links. My topology is a little different: one link is connected directly, but the other is connected through a gateway. My problem is teql can''t