WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] Switches and a moving MAC address

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Switches and a moving MAC address
From: "Andreas Bach Aaen (AH/TED)" <andreas.bach.aaen@xxxxxxxxxxxx>
Date: Fri, 9 Sep 2005 11:59:50 +0200
Delivery-date: Fri, 09 Sep 2005 09:57:59 +0000
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <A95E2296287EAD4EB592B5DEEFCE0E9D32DD31@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
Organization: Ericsson Danmark A/S
References: <A95E2296287EAD4EB592B5DEEFCE0E9D32DD31@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: KMail/1.7.2
On Fredag 09 september 2005 11:11, Ian Pratt wrote:

> > Hence I would like to flush the forwarding cache in the
> > switch for this particular MAC address.
> This should already happen, at least it used to on 2.0. Might be worth
> veryifying the code hasn't rotted.
>
> We send an unsolicited arp reply, which works in both the case of moving
> the MAC and of moving just the IP. (The source mac address of the packet
> should cause the switch to reconfigure.)

Right.
Maybe the code in:
/usr/lib/python2.3/site-packages/xen/xend/XendDomainInfo.py
where the comment says:
 """send an unsolicited ARP reply for all non link-local IP addresses.

Regards,
-- 
Andreas Bach Aaen              System Developer, M. Sc. 
Ericsson Danmark A/S           tel: +45 89 38 51 00
Skanderborgvej 232             fax: +45 89 38 51 01
8260 Viby J      Denmark       andreas.bach.aaen@xxxxxxxxxxxx

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>