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virt-manager: just 1 of 4 tap devics used
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toralf
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Joined: 01 Feb 2004
Posts: 2672
Location: Hamburg/Germany

PostPosted: Sat Jan 25, 2014 1:44 pm    Post subject: virt-manager: just 1 of 4 tap devics used Reply with quote

/me wonders why just tap1 is offered to me in virt manager as a Source device: "Host device tap1(Bridge 'br0')" given this config "
Code:
# /etc/conf.d/net
#

#       KVM
#
bridge_br0="tap0 tap1 tap2 tap3"
config_br0="192.168.0.254/16"
brctl_br0="setfd 0
sethello 10
stp off"
rc_net_br0_need="net.tap0 net.tap1 net.tap2 net.tap3"

config_tap0="null"
tuntap_tap0="tap"
tunctl_tap0="-u tfoerste"

config_tap1="null"
tuntap_tap1="tap"
tunctl_tap1="-u tfoerste"

config_tap2="null"
tuntap_tap2="tap"
tunctl_tap2="-u tfoerste"

config_tap3="null"
tuntap_tap3="tap"
tunctl_tap3="-u tfoerste"

#       LAN
#
config_enp0s25="null"
#config_enp0s25="dhcp"

#       DSL
#
link_ppp0="enp0s25"
plugins_ppp0="pppoe"
username_ppp0="123456"
password_ppp0="not_very_secret"
pppd_ppp0="defaultroute usepeerdns maxfail 1 updetach"

#       WLAN
#
associate_timeout_wlp3s0=25
config_wlp3s0="dhcp"
...
The tap devices itself work fine, when I start user mode linux images I can use all of them.

edit: on the other hand it seems that I can use 2 different KVM's using the the tap :-)
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_______0
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Joined: 15 Oct 2012
Posts: 521

PostPosted: Sat Jan 25, 2014 8:47 pm    Post subject: Re: virt-manager: just 1 of 4 tap devics used Reply with quote

toralf wrote:

The tap devices itself work fine, when I start user mode linux images I can use all of them.

edit: on the other hand it seems that I can use 2 different KVM's using the the tap :-)


I don't understand the part

Quote:
The tap devices itself work fine, when I start user mode linux images I can use all of them.


User mode of what? KVM with networking in "user mode"? Or what? If that's the case KVM with user mode net doesn't use tap at all.

If I where you I'd use kvm without virt-manager that way you know better what's being done.
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