Messages in this thread | | | Date | Tue, 06 Aug 2002 13:36:30 -0700 | From | Ben Greear <> | Subject | Re: ethtool documentation |
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Randy.Dunlap wrote: > On Tue, 6 Aug 2002, Richard B. Johnson wrote: > > | On Tue, 6 Aug 2002, Chris Friesen wrote: > | > | > "Richard B. Johnson" wrote: > | > > | > > Because of this, there is no such thing as 'unused eeprom space' in > | > > the Ethernet Controllers. Be careful about putting this weapon in > | > > the hands of the 'public'. All you need is for one Linux Machine > | > > on a LAN to end up with the same IEEE Station Address as another > | > > on that LAN and connectivity to everything on that segment will > | > > stop. You do this once at an important site and Linux will get a > | > > very black eye.
Actually, any important site has some kind of failover in place, and they could very well be using this feature to provide seamless MAC/IP takeover in the case of a server outtage.
This feature also allows bridging to work, and anyone with root priviledges can send any ethernet packet they want using a raw packet socket anyway.
Ben
-- Ben Greear <greearb@candelatech.com> <Ben_Greear AT excite.com> President of Candela Technologies Inc http://www.candelatech.com ScryMUD: http://scry.wanfear.com http://scry.wanfear.com/~greear
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