Re: [Beowulf] cisco networking

2010-01-11 Thread Mike Davis
Greg Keller wrote: Date: Mon, 11 Jan 2010 09:58:24 -0500 From: Michael Di Domenico <mailto:mdidomeni...@gmail.com>> Subject: Re: [Beowulf] cisco networking To: Glen Dosey mailto:dos...@r-networks.net>> Cc: Beowulf@beowulf.org <mailto:Beowulf@beowu

Re: [Beowulf] cisco networking

2010-01-11 Thread Greg Keller
Date: Mon, 11 Jan 2010 09:58:24 -0500 From: Michael Di Domenico Subject: Re: [Beowulf] cisco networking To: Glen Dosey Cc: Beowulf@beowulf.org Message-ID: Content-Type: text/plain; charset=ISO-8859-1 On Sun, Jan 10, 2010 at 1:29 AM, Glen Dosey wrote: You can have multiple ether

Re: [Beowulf] cisco networking

2010-01-11 Thread Michael Di Domenico
On Sun, Jan 10, 2010 at 1:29 AM, Glen Dosey wrote: > You can have multiple ether-channel links between 2 switches. The > limitation is that if they are in the same layer 2 broadcast domain > (VLAN) only 1 will be active and STP will block the other. > > If you place each switch in a separate netwo

Re: [Beowulf] cisco networking

2010-01-09 Thread Glen Dosey
You can have multiple ether-channel links between 2 switches. The limitation is that if they are in the same layer 2 broadcast domain (VLAN) only 1 will be active and STP will block the other. If you place each switch in a separate network you could use equal cost load balancing across multiple po

[Beowulf] cisco networking

2010-01-04 Thread Michael Di Domenico
its my understanding that you can only have one lacp/etherchannel link between two cisco switches and that link can only comprise up to eight actual links which using 10Gbps links would yield around ~8GB/sec Does anyone know if it's possible to get more? Between two Cisco 6500's? Im pretty sure