Why would PPPoE have anything to do with a virus or a program gone haywire ? PPPoE will not help stop a virus or whatever on a single machine from taking down an access point, bandwidth control will be your last castle.
---------- Original Message ---------------------------------- From: Roger Howard <[EMAIL PROTECTED]> Reply-To: [EMAIL PROTECTED] Date: Mon, 10 Nov 2003 19:22:51 -0600 >So then PPPoE will not help stop a virus on a single machine from taking >down an access point? Can anyone confirm, as there are opinions both ways? > >Thanks, >Roger > >----- Original Message ----- >From: "Lars Gaarden" <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]> >Sent: Monday, November 10, 2003 7:13 PM >Subject: Re: [smartBridges] sB Network Issue > > >> Roger Howard wrote: >> >>The only way you can make sure that an infected client can't wreak havoc >> >>on the AP is to have bwctrl on the CPE. >> >> >> > >> > This is what I was saying... but Colin Watson says that PPPoE >encapsulates >> > everything including ping packets into PPP which does have flow >control?? Is >> > this right? >> >> PPP over serial lines does have flow control (RTS/CTS and XON/XOFF). >> >> RTS/CTS can't be used with PPPoE because it uses the RTS/CTS wires on the >> serial port (out-of-band signalling). >> >> XON/XOFF is in-band, but requires escape codes to insure that payload data >> is not incorrectly interpreted as XON/XOFF. In order to use escape codes, >> the PPP peers must negotiate an Async-Control-Character-Map (ACCM) during >> the LCP phase. The PPPoE RFC states that: >> >> http://www.faqs.org/rfcs/rfc2516.html >> "7. LCP Considerations >> [...] An implementation MUST NOT request any of the following options, >> and MUST reject a request for such an option: >> [...] >> Asynchronous-Control-Character-Map (ACCM)" >> >> So neither RTS/CTS nor XON/XOFF can be used for PPPoE flow control. >> >> -- >> LarsG >> >> The PART-15.ORG smartBridges Discussion List >> To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe >smartBridges <yournickname> >> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe >smartBridges) >> Archives: http://archives.part-15.org > >The PART-15.ORG smartBridges Discussion List >To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges ><yournickname> >To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) >Archives: http://archives.part-15.org >--- >[This E-mail scanned for viruses by Declude Virus By Avolve.net] > > --- [This E-mail scanned for viruses by Declude Virus By Avolve.net] The PART-15.ORG smartBridges Discussion List To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges <yournickname> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges) Archives: http://archives.part-15.org
