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Re: [Xen-users] Maximum number of interfaces in DomU

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Maximum number of interfaces in DomU
From: Martti Kuparinen <martti.kuparinen@xxxxxx>
Date: Fri, 11 May 2007 10:04:45 +0300
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Igor Chubin wrote:

Does anybody know something about the restriction of 3 network interfaces
in domU that was discussed here:

I have 7 interfaces in NetBSD domU (having 8 will crash the domU so 7 is the max number of interfaces right now for me on this host).

This is my domU
---------------
n104# ifconfig -l
lo0 xennet0 xennet1 xennet2 xennet3 xennet4 xennet5 xennet6

n104# dmesg
NetBSD 4.0_BETA2 (XEN3_DOMU) #129: Wed May  9 06:18:44 EEST 2007
        
root@xxxxxxx:/autobuild/netbsd-4.x/obj/i386/sys/arch/i386/compile/XEN3_DOMU
total memory = 512 MB
avail memory = 498 MB
mainbus0 (root)
hypervisor0 at mainbus0
vcpu0 at hypervisor0: (uniprocessor)
vcpu0: Intel Pentium Pro, II or III (686-class), 2133.41 MHz, id 0x6f7
vcpu0: features bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
vcpu0: features bfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
vcpu0: features bfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
debug virtual interrupt using event channel 3
xenbus0 at hypervisor0: Xen Virtual Bus Interface


This is my dom0
---------------
ROOT xen3:~> xm list
Name                                      ID   Mem VCPUs      State   Time(s)
Domain-0                                   0   256     1     r-----    791.1
NetBSD                                    13   509     1     -b----      1.0

ROOT xen3:~> uname -srm
NetBSD 4.0_BETA2 i386

ROOT xen3:~> pkg_info | grep xen
xentools30-3.0.4    Userland Tools for Xen
xenkernel30-3.0.4   Xen3 Kernel

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