RE: [Xen-users] veth0 is from netback and vifu.0 isfromthebridge-utils?

[Anthony.Golia@xxxxxxxxxxxxxxxxx]

On Tue, 25 Oct 2005, Ian Pratt wrote:

> > sorry to bring this up again but i'm still confused (i know
> > things changed recently with peth0 and all).  so theres no
> > more veth0?  whats peth0?
> > (someone said it was the physical int, i thought that was
> > eth0, eth1, etc.).  Also, i'm using vif-route not bridge:
>
> peth0 is the physical interface.
>
> eth0 is the virtual interface dom0 has that is attached to the bridge
> and should be configured with an IP address and have routes pointed
> through it etc.
>
> When you run xend it runs network-bridge which creates the bridge,
> renames eth0->peth0 and veth0->eth0 and brings the new eth0 back up.

kewl, thx Ian.  i see network-route doesnt do this.  i think thats a good
thing.  do you forsee that changing?


> Best,
> Ian
>
>
> > bash-3.00# ip addr
> > 1: peth0: <BROADCAST,MULTICAST,NOARP,UP> mtu 1500 qdisc
> > pfifo_fast qlen 1000
> >     link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> > 2: eth1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast qlen 1000
> >     link/ether 00:09:6b:b5:6b:95 brd ff:ff:ff:ff:ff:ff
> >     inet 172.31.215.177/24 brd 172.31.215.255 scope global eth1
> > 3: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
> >     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> >     inet 127.0.0.1/8 scope host lo
> >     inet 172.31.254.207/32 brd 172.31.254.207 scope global lo:hostname
> > 4: vif0.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> >     link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> > 5: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> >     link/ether 00:09:6b:b5:6b:94 brd ff:ff:ff:ff:ff:ff
> >     inet 172.31.205.177/24 brd 172.31.205.255 scope global eth0
> > 6: xen-br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> >     link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> > 7: vif1.1: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> >     link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
> >     inet 169.254.1.0/32 brd 169.254.1.0 scope global vif1.1
> >
> >
> >
> > On Wed, 14 Sep 2005, Ian Pratt wrote:
> >
> > >
> > > > > It's effectively a point to point link, allowing domain 0
> > > > to connect
> > > > > on to the bridge in the same manner that other domains do.
> > > > > (before, packets to domain 0 were short-cutted and came off the
> > > > > bridge directly, which could lead to traffic from other domains
> > > > being stalled
> > > > > if a lot of traffic was destined to user space in dom0.
> > > >
> > > > thx.  what's the diff betwn the two (veth0 and vifu.0) ?
> > >
> > > vifX.0 is the end of the virtual 'cross-over cable' that's
> > connected
> > > to the bridge. veth0 is the end that's effectively the domain's
> > > virtual NIC, and hence has the IP address associated with it.
> > >
> > > Ian
> > >
> > > )
> > >
> >
> >
> >
> >
> > Cheers,
> > Anthony
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
>




Cheers,
Anthony

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