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Groups > linux.debian.user > #161508 > unrolled thread

Debian stable on iDRAC-driven hardware

Started by"B.R." <reallfqq-debian@yahoo.fr>
First post2015-12-03 11:10 +0100
Last post2015-12-04 23:00 +0100
Articles 4 — 2 participants

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  Debian stable on iDRAC-driven hardware "B.R." <reallfqq-debian@yahoo.fr> - 2015-12-03 11:10 +0100
    Re: Debian stable on iDRAC-driven hardware "B.R." <reallfqq-debian@yahoo.fr> - 2015-12-03 12:00 +0100
      Re: Debian stable on iDRAC-driven hardware Cyril <mirtouf@mirtouf.net> - 2015-12-04 13:20 +0100
        Re: Debian stable on iDRAC-driven hardware "B.R." <reallfqq-debian@yahoo.fr> - 2015-12-04 23:00 +0100

#161508 — Debian stable on iDRAC-driven hardware

From"B.R." <reallfqq-debian@yahoo.fr>
Date2015-12-03 11:10 +0100
SubjectDebian stable on iDRAC-driven hardware
Message-ID<qByZQ-3zg-25@gated-at.bofh.it>

[Multipart message — attachments visible in raw view] — view raw

Hello,

I own a dedicated server hosted on hardware with an iDRAC (Dell) middleware.

Fiddling with network configuration (attempting to configure a bridge with
libvirt to replace the current direct physical interface configuration), I
took the host machione down.
The technicians are unable to help me on the software-configuration level,
but they say there are conflict with the current version of iDRAC and some
Linux kernels.

Here is my (redacted) network configuration:
auto lo
iface lo inet loopback

#auto eth0
#iface eth0 inet dhcp

iface eth0 inet manual
auto br0
iface br0 inet dhcp
    bridge_ports    eth0
    bridge_stp      on
    bridge_maxwait  0
    bridge_fd       0


​I crashed the machine down​ when addind the following snippet (providing
IPv6):
#iface br0 inet6 static
#   address     2001:***
#   netmask     64
#   pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
/run/dhclient6.eth0.pid -6 -P -v eth0
#   pre-down    dhclient -x -pf /run/dhclient6.eth0.pid
#    bridge_ports    eth0
#    bridge_stp      on
#    bridge_maxwait  0
#    bridge_fd       0

Note this part worked perfectly well when configured for eth0 as follow:
iface eth0 inet6 static
   address     2001:***
   netmask     64
   pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
/run/dhclient6.eth0.pid -6 -P -v eth0

​What did I do wrong?​
---
*B. R.*

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#161511

From"B.R." <reallfqq-debian@yahoo.fr>
Date2015-12-03 12:00 +0100
Message-ID<qBzMe-3RU-13@gated-at.bofh.it>
In reply to#161508

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Added information:
My server uses iDRAC 6, and I have been told no update is available.
---
*B. R.*

On Thu, Dec 3, 2015 at 11:01 AM, B.R. <reallfqq-debian@yahoo.fr> wrote:

> Hello,
>
> I own a dedicated server hosted on hardware with an iDRAC (Dell)
> middleware.
>
> Fiddling with network configuration (attempting to configure a bridge with
> libvirt to replace the current direct physical interface configuration), I
> took the host machione down.
> The technicians are unable to help me on the software-configuration level,
> but they say there are conflict with the current version of iDRAC and some
> Linux kernels.
>
> Here is my (redacted) network configuration:
> auto lo
> iface lo inet loopback
>
> #auto eth0
> #iface eth0 inet dhcp
>
> iface eth0 inet manual
> auto br0
> iface br0 inet dhcp
>     bridge_ports    eth0
>     bridge_stp      on
>     bridge_maxwait  0
>     bridge_fd       0
>
>
> ​I crashed the machine down​ when addind the following snippet (providing
> IPv6):
> #iface br0 inet6 static
> #   address     2001:***
> #   netmask     64
> #   pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
> /run/dhclient6.eth0.pid -6 -P -v eth0
> #   pre-down    dhclient -x -pf /run/dhclient6.eth0.pid
> #    bridge_ports    eth0
> #    bridge_stp      on
> #    bridge_maxwait  0
> #    bridge_fd       0
>
> Note this part worked perfectly well when configured for eth0 as follow:
> iface eth0 inet6 static
>    address     2001:***
>    netmask     64
>    pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
> /run/dhclient6.eth0.pid -6 -P -v eth0
>
> ​What did I do wrong?​
> ---
> *B. R.*
>

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#161552

FromCyril <mirtouf@mirtouf.net>
Date2015-12-04 13:20 +0100
Message-ID<qBXvc-2xR-15@gated-at.bofh.it>
In reply to#161511
Hi,

Le 03/12/2015 11:57, B.R. a écrit :
> Added information:
> My server uses iDRAC 6, and I have been told no update is available.
> ---
> *B. R.*
>
> On Thu, Dec 3, 2015 at 11:01 AM, B.R. <reallfqq-debian@yahoo.fr
> <mailto:reallfqq-debian@yahoo.fr>> wrote:
>
>     Hello,
>
>     I own a dedicated server hosted on hardware with an iDRAC (Dell)
>     middleware.
>
>     Fiddling with network configuration (attempting to configure a
>     bridge with libvirt to replace the current direct physical interface
>     configuration), I took the host machione down.
>     The technicians are unable to help me on the software-configuration
>     level, but they say there are conflict with the current version of
>     iDRAC and some Linux kernels.
>
>     Here is my (redacted) network configuration:
>     auto lo
>     iface lo inet loopback
>
>     #auto eth0
>     #iface eth0 inet dhcp
>
>     iface eth0 inet manual
>     auto br0
>     iface br0 inet dhcp
>          bridge_ports    eth0
>          bridge_stp      on
>          bridge_maxwait  0
>          bridge_fd       0
>
>
>     ​I crashed the machine down​ when addind the following snippet
>     (providing IPv6):
>     #iface br0 inet6 static
>     #   address     2001:***
>     #   netmask     64
>     #   pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
>     /run/dhclient6.eth0.pid -6 -P -v eth0
>     #   pre-down    dhclient -x -pf /run/dhclient6.eth0.pid
>     #    bridge_ports    eth0
>     #    bridge_stp      on
>     #    bridge_maxwait  0
>     #    bridge_fd       0
>
>     Note this part worked perfectly well when configured for eth0 as follow:
>     iface eth0 inet6 static
>         address     2001:***
>         netmask     64
>         pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
>     /run/dhclient6.eth0.pid -6 -P -v eth0
>
>     ​What did I do wrong?​
>     ---
>     *B. R.*
>
>

I do not really understand why you set up a bridge twice but I use a 
rather similar setup for an Online.net hosted server with a dual stack 
IPv4+IPv6.

As an example, my interfaces file is like this (Xen aware):

# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto xenbr0
iface xenbr0 inet static
	bridge_ports noregex eth0 regex vif.*
	address
	netmask 255.255.255.0
	network
	broadcast
	gateway
	bridge_maxwait 5
	bridge_stp off
	bridge_fd 0

iface xenbr0 inet6 static
	address 2001:bc8:
	netmask 56
	accept_ra 2
	pre-up sleep 10 # see bug #783387
	pre-up dhclient -cf /etc/dhcp/dhclient6.conf -pf 
/run/dhclient6.xenbr0.pid -6 -P xenbr0
	pre-down dhclient -x -pf /run/dhclient6.xenbr0.pid

Hope this helps.

Cyril

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#161564

From"B.R." <reallfqq-debian@yahoo.fr>
Date2015-12-04 23:00 +0100
Message-ID<qC6yv-8fV-43@gated-at.bofh.it>
In reply to#161552

[Multipart message — attachments visible in raw view] — view raw

​Wh
​at do you mean by setting up the bridge twice?​
Is it about the bridge_* directives? I thought configuration of IPv4 and
IPv6 interfaces were independent, thus allowing (and needing) separate
configuration.

If you shall not repeat those, that might be the reason why I crashed the
network interface altogether...

I also cannot help but notice you use the accept_ra directive. Is not that
intended for routers?
Thanks,
---
*B. R.*

On Fri, Dec 4, 2015 at 1:15 PM, Cyril <mirtouf@mirtouf.net> wrote:

> Hi,
>
> Le 03/12/2015 11:57, B.R. a écrit :
>
>> Added information:
>> My server uses iDRAC 6, and I have been told no update is available.
>> ---
>> *B. R.*
>>
>> On Thu, Dec 3, 2015 at 11:01 AM, B.R. <reallfqq-debian@yahoo.fr
>> <mailto:reallfqq-debian@yahoo.fr>> wrote:
>>
>>     Hello,
>>
>>     I own a dedicated server hosted on hardware with an iDRAC (Dell)
>>     middleware.
>>
>>     Fiddling with network configuration (attempting to configure a
>>     bridge with libvirt to replace the current direct physical interface
>>     configuration), I took the host machione down.
>>     The technicians are unable to help me on the software-configuration
>>     level, but they say there are conflict with the current version of
>>     iDRAC and some Linux kernels.
>>
>>     Here is my (redacted) network configuration:
>>     auto lo
>>     iface lo inet loopback
>>
>>     #auto eth0
>>     #iface eth0 inet dhcp
>>
>>     iface eth0 inet manual
>>     auto br0
>>     iface br0 inet dhcp
>>          bridge_ports    eth0
>>          bridge_stp      on
>>          bridge_maxwait  0
>>          bridge_fd       0
>>
>>
>>     ​I crashed the machine down​ when addind the following snippet
>>     (providing IPv6):
>>     #iface br0 inet6 static
>>     #   address     2001:***
>>     #   netmask     64
>>     #   pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
>>     /run/dhclient6.eth0.pid -6 -P -v eth0
>>     #   pre-down    dhclient -x -pf /run/dhclient6.eth0.pid
>>     #    bridge_ports    eth0
>>     #    bridge_stp      on
>>     #    bridge_maxwait  0
>>     #    bridge_fd       0
>>
>>     Note this part worked perfectly well when configured for eth0 as
>> follow:
>>     iface eth0 inet6 static
>>         address     2001:***
>>         netmask     64
>>         pre-up      dhclient -cf /etc/dhcp/dhclient6.conf -pf
>>     /run/dhclient6.eth0.pid -6 -P -v eth0
>>
>>     ​What did I do wrong?​
>>     ---
>>     *B. R.*
>>
>>
>>
> I do not really understand why you set up a bridge twice but I use a
> rather similar setup for an Online.net hosted server with a dual stack
> IPv4+IPv6.
>
> As an example, my interfaces file is like this (Xen aware):
>
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
>
> source /etc/network/interfaces.d/*
>
> # The loopback network interface
> auto lo
> iface lo inet loopback
>
> # The primary network interface
> auto xenbr0
> iface xenbr0 inet static
>         bridge_ports noregex eth0 regex vif.*
>         address
>         netmask 255.255.255.0
>         network
>         broadcast
>         gateway
>         bridge_maxwait 5
>         bridge_stp off
>         bridge_fd 0
>
> iface xenbr0 inet6 static
>         address 2001:bc8:
>         netmask 56
>         accept_ra 2
>         pre-up sleep 10 # see bug #783387
>         pre-up dhclient -cf /etc/dhcp/dhclient6.conf -pf
> /run/dhclient6.xenbr0.pid -6 -P xenbr0
>         pre-down dhclient -x -pf /run/dhclient6.xenbr0.pid
>
> Hope this helps.
>
> Cyril
>
>

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