Re: [Xen-users] xen 4.3 - bridge with bonding under Debian Wheezy

[Walter Robert Ditzler <ditwal001@xxxxxxxxxxx>]

Sorry,

Copy Paste Error here: the interface file looks like that:

 auto bond0
 iface bond0 inet manual
    slaves eth0 eth1
    bond-mode 0
    bond-miimon        100
    bond-lacp_rate     1
    bond-downdelay     200
    bond-updelay       200

 auto br0
 iface br0 inet static
    address 100.x.x.x
    netmask 255.255.255.0
    network 100.x.x.0
    broadcast 100.x.x.255
    gateway 100.x.x.19
    bridge_ports bond0
    address            0.0.0.0
    netmask            0.0.0.0

Plus I think XEN has changed the HVM simulated network card. I moved a Guest
from XEN 4.2.1 to 4.3 and I had a hell with my Windows 2012 Guest, Linux
Debian Guest too!!!!

Can it be possible that XEN 4.3 is still just too buggy?

Thanks Walter.

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxx] On Behalf Of Alexandre Kouznetsov
Sent: Mittwoch, 14. August 2013 21:02
To: xen-users@xxxxxxxxxxxxx
Subject: Re: [Xen-users] xen 4.3 - bridge with bonding under Debian Wheezy

Hello.

Some observations.

El 14/08/13 05:49, Walter Robert Ditzler escribió:
> Hi all,
>
> i have a xen 4.3 installation and would like to have a bridge bond
szenario:
>
> ***
> eth0        eth1
>      |              |
>          bond0
>               |
>             br0
>               |
> vif             = [ 'bridge=br0,mac=xx:xx:xx:xx:xx:xx' ]
> ***
Looks good, should work.


> With the network script in debian wheezy
>
> ***
> /etc/network/interfaces
> auto bond0
> iface bond0 inet manual
>    slaves eth0 eth1
>    bond-mode 0
>
> auto br0
> iface br0 inet static
>    address 100.x.x.x
>    netmask 255.255.255.0
>    network 100.x.x.0
>    broadcast 100.x.x.255
>    gateway 100.x.x.19
>    bridge_ports bond0
>    bond-miimon        100
>    bond-lacp_rate     1
>    bond-downdelay     200
>    bond-updelay       200
>    address            0.0.0.0
>    netmask            0.0.0.0
> ***

Specifically about br0 section:

You mention "address" and "netmask" parameters twice.

All bond-* parameters don't belong here, they should be used in the section
that describes bond0, not br0.

bond-lacp_rate parameter makes sense only for bond mode 4 (aka 802.3ad), you
seem to be using mode 0 (aka balance-rr).


> ***
> /etc/sysctl.conf
>
> #kernel.printk = 3 4 1 3
> #net.ipv4.conf.default.rp_filter=1
> #net.ipv4.conf.all.rp_filter=1
> #net.ipv4.tcp_syncookies=1
> net.ipv4.ip_forward=1
> #net.ipv4.conf.br0.proxy_arp=1
> #net.ipv4.conf.eth0.proxy_arp=1
> #net.ipv4.conf.eth1.proxy_arp=1
> #net.ipv6.conf.all.forwarding=1
> #net.ipv4.conf.all.accept_redirects = 0
> #net.ipv6.conf.all.accept_redirects = 0
> #net.ipv4.conf.all.send_redirects = 0
> #net.ipv4.conf.all.accept_source_route = 0
> #net.ipv6.conf.all.accept_source_route = 0
> #net.ipv4.conf.all.log_martians = 1
> net.bridge.bridge-nf-call-ip6tables = 0
> net.bridge.bridge-nf-call-iptables = 0
> net.bridge.bridge-nf-call-arptables = 0
> ***
Not sure it this net.bridge.bridge-nf-call*=0 are needed.

> Any idea what I'm doing wrong here??????
Maybe you are mixing configurations from different reference sources, 
that describes different scenarios?



-- 
Alexandre Kouznetsov

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