Messages in this thread |  | | | Subject | Re: [2.2] Network Interface aliasing | | From | Andi Kleen <> | | Date | 09 Nov 1999 15:42:14 +0100 |
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cbrown@denalics.net (Christopher E. Brown) writes:
> Example, machines A,B,C all have the same IP on a lookback or > dummy interface. A load director/etc is currently routing all traffic > to the cluster IP to machine A. > > Should machine Bs interface get into PROMISC mode all packets > (even though they are sent to another MAC addr) will hit the IP layer, > and should the IP be found on a local interface, the machine will > respond.
This is not true. When an interface in promisc mode receives a packet not destined at its MAC address and not a {broad,multi}cast it sets its type to PACKET_OTHERHOST. arp_rcv ignores such packets. IP does the same check. -Andi
-- This is like TV. I don't like TV.
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