Date: Sat, 21 Dec 2002 16:12:13 -0500 From: "Jerry Bell" <jerry@syslog.org> To: "Christophe Simon" <titof3000@hotmail.com>, <freebsd-questions@FreeBSD.ORG> Subject: Re: Networking hardware question Message-ID: <000401c2a9cc$bb3265e0$030a0a0a@iss.net> References: <F165b9wwbRxON727VOL00012b23@hotmail.com>
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It partially depends on how the 5 switches and one hub are connected to each other. If they 5 of the devices all connect into one central device, you're probably safe, but if one is connected to the other and on and on, you will have problems. The problem is propogation delays when the devices are chained together in series. The delay can lead to retries and crashes which, in some cases, can really degrade the throughput of your network and in some cases halt it all together. Jerry ----- Original Message ----- From: "Christophe Simon" <titof3000@hotmail.com> To: <freebsd-questions@FreeBSD.ORG> Sent: Friday, December 20, 2002 1:47 PM Subject: Networking hardware question > Hi, > > For one week, I have the responsability to administrate a LAN in a society > where there's at least 5 swithes and 1 hub connected together in chain. I > heard that plugging too many hubs or swithes in chain can cause network > stability problems. > > Is that right, and what can I do. I have been adviced to put a bridge > station between twoo switches in the chain, but I didn't succeeded in > configuring the twoo interfaces (twoo RTL 8139 cards) on the same network > adress (for exemple 192.168.0.1 and 192.168.0.2 cards in the same box...) > and making a bridge. I compiled my kernel with the BRIDGE option, and I put > sysct.net.link.bridge_cfg=rl0:0,rl1:0 in sysctl.conf. > > Im I on the rigt way, and if not so on, what ca I do ? > > Thanks a lot ! > > > > > > _________________________________________________________________ > MSN Messenger : discutez en direct avec vos amis ! > http://www.msn.fr/msger/default.asp > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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