> Sent: Thursday, October 24, 2024 at 7:43 PM
> From: "Daniel P. Berrangé" <berrange@xxxxxxxxxx>
> To: "daggs" <daggs@xxxxxxx>
> Cc: users@xxxxxxxxxxxxxxxxx
> Subject: Re: reconfiguring a two vms bridge to two vms + the host with proper iface naming
>
> On Thu, Oct 24, 2024 at 06:18:26PM +0200, daggs via Users wrote:
> > Greetings,
> >
> > I have two vms (vm1 and vm2) connected via a bridge named br1.
> > libvirt creates two taps, tap0 and tap1
> >
> > I'm trying to rename them to some thing more meaningful for starts.
> > I assume that I cannot use vnet-vm1 or vnet-vm2 so I decided to configure it like this:
> > vm1:
> > <interface type='bridge'>
> > <source bridge='br1'/>
> > <target dev='vnet1'/>
> > </interface>
> >
> > vm2:
> > <interface type='bridge'>
> > <source bridge='br1'/>
> > <target dev='vnet2'/>
> > </interface>
> >
> > but when start the vms, the iface names are still tap1 and tap2. am I doing something wrong?
>
> I didn't think libvirt created devices with 'tapXXX' naming, all our
> generated names should be 'vnetXXX', and we reserve 'vnet' as a prefix
> for our own use and will thus discard any such name if the user specifies
> it in the XML.
>
>
> With regards,
> Daniel
this is my output:
utils-server:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host proto kernel_lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 52:54:00:ab:30:dc brd ff:ff:ff:ff:ff:ff
8: br1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 52:54:00:6b:1b:92 brd ff:ff:ff:ff:ff:ff
10: tap0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br1 state UNKNOWN group default qlen 1000
link/ether fe:7f:ea:04:9d:97 brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc7f:eaff:fe04:9d97/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
11: tap1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br1 state UNKNOWN group default qlen 1000
link/ether fe:47:d8:75:ce:ee brd ff:ff:ff:ff:ff:ff
inet6 fe80::fc47:d8ff:fe75:ceee/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
> --
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