network interface aggregation\bonding

Dean Thompson dnt07 at
Wed May 11 07:10:48 UTC 2011

Thanks Paul and Matty. I will do some reading and put together a suitable 
solutions. Much appreciated.


From: Paul Preston <Paul.Preston at>
To: General Red Hat Linux discussion list <redhat-list at>
Sent: Tue, 10 May, 2011 17:37:00
Subject: RE: network interface aggregation\bonding

Hi Dean,

The whole idea of bonding/interface teaming is to provide high resiliency - yes, 
you can bond multiple interfaces into multiple groups and connect them to 
various switches. Obviously, if you connect bondX interface which consists of 4 
physical interfaces to 2 switches (2 physical connections per switch) you will 
need to make sure that all ports on both switches are configured in the same way 
(which normally means that they should be in the same VLAN). In terms of 
aggregation, please read about "bonding drivers modes" - that should help to 
find what you are looking for.

I would recommend reading installation guide and deployment guide from following 

Kind Regards,

Paul Preston
Proxar IT Ltd. Registered in England and Wales: 6744401- VAT: 942985479
Tubs Hill House, London Road, Sevenoaks, Kent, TN13 1BL
Tel:  (+44) 0844 809 4335
Fax: (+44) 01732 459 423
Mob: (+44) 077 9509 3450
Email: paul.preston at

-----Original Message-----
From: redhat-list-bounces at [mailto:redhat-list-bounces at] On 
Behalf Of Dean Thompson
Sent: 10 May 2011 15:55
To: redhat list
Subject: network interface aggregation\bonding

Hi all

I am relatively new to RHEL. We have a few implementations of network 
aggregation with fail-over configured on some of our Solaris servers and I'm 
looking into whether we can implement similar configs on a RHEL 5.5 server.

Is it possible for only certain nics\drivers?
Can it be configured across multiple switches? i.e. If I have four nics, can I 
group two in an aggregation group and connect it to one switch and group the 
other two in another aggregation group and connect it to a different switch, 
having only one group connected at a time with the other as a fail-over.

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