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Create a Bridge for Qemu using only loopback

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Old 09-24-2012
Create a Bridge for Qemu using only loopback

hello networking folks,
i have 3 virtual machines that need to talk to each other

How can i create a bridge to loopback ?

-net tap,vlan=0,ifname=tap1

where tap1 is connected to lo:1 , tap2 is connected to lo:2 etc

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LO(4)							   BSD Kernel Interfaces Manual 						     LO(4)

lo -- software loopback network interface SYNOPSIS
pseudo-device loop DESCRIPTION
The loop interface is a software loopback mechanism which may be used for performance analysis, software testing, and/or local communication. As with other network interfaces, the loopback interface must have network addresses assigned for each address family with which it is to be used. These addresses may be set or changed with the SIOCSIFADDR ioctl(2). The loopback interface should be the last interface configured, as protocols may use the order of configuration as an indication of priority. The loopback should never be configured first unless no hard- ware interfaces exist. DIAGNOSTICS
lo%d: can't handle af%d. The interface was handed a message with addresses formatted in an unsuitable address family; the packet was dropped. SEE ALSO
inet(4), intro(4), ns(4) HISTORY
The lo device appeared in 4.2BSD. BUGS
Previous versions of the system enabled the loopback interface automatically, using a nonstandard Internet address (127.1). Use of that address is now discouraged; a reserved host address for the local network should be used instead. 4.2 Berkeley Distribution June 5, 1993 4.2 Berkeley Distribution

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