Re: Cisco 7600 (7609) as a core BGP router.

On Sat, Jul 18, 2009 at 11:09:48AM +0700, Roland Dobbins wrote: > > On Jul 18, 2009, at 4:30 AM, Steven King wrote: > > >We use the 7600 platform as a Customer Border device. > > The 7600 is actually quite a poor choice as an edge device (any edge) > due to its caveats regarding NetFlow, ACLs,

Re: Cisco 7600 (7609) as a core BGP router.

On (2009-07-18 05:12 +), deles...@gmail.com wrote: Hey, > The only issue I have I with your reply is that is somehow still acceptable > to not have these features in a core device. I'm guessing point Roland was making (which he likely would have not made couple moons ago:) was related to t

Re: Cisco 7600 (7609) as a core BGP router.

On Jul 18, 2009, at 2:37 PM, Saku Ytti wrote: I'm guessing point Roland was making (which he likely would have not made couple moons ago:) I've made this point for years, quite publicly, actually - even when it was unpopular for me to do so in certain quarters. ;> uRPF for 7600/6500 can

Re: Cisco 7600 (7609) as a core BGP router.

Can someone provide a link, or more detail, on the netflow issues. Particularly as they relate to 6509's and sup720's. Thanks! On 7/18/09, Roland Dobbins wrote: > > On Jul 18, 2009, at 2:37 PM, Saku Ytti wrote: > >> I'm guessing point Roland was making (which he likely would have not >> made cou

Re: Cisco 7600 (7609) as a core BGP router.

On Jul 18, 2009, at 5:05 PM, Darren Bolding wrote: Can someone provide a link, or more detail, on the netflow issues. Particularly as they relate to 6509's and sup720's. mls table can hold 256K entries at 93% efficiency, so you end up with about 239K flows total. No packet-sampled control

Re: Cisco 7600 (7609) as a core BGP router.

On Jul 18, 2009, at 5:05 PM, Darren Bolding wrote: Can someone provide a link, or more detail, on the netflow issues. Particularly as they relate to 6509's and sup720's. Note that these issues are all fixed on the Nexus 7000, with the EARL8 ASIC. --

Re: Cisco 7600 (7609) as a core BGP router.

On (2009-07-18 15:58 +0700), Roland Dobbins wrote: > uRPF for 7600/6500 can only be in one mode for the whole box, all > interfaces. This is a major problem in many cases. I referred to this as 'chassis wide uRPF'. I'm not sure if that is big issue in many networks. You run uRPF/strict to singl

Re: Visio diag automations

Bobby Mac wrote: I have to create Visio diagrams for sales engagements for a webhosting provider. I use the same template based on our standard architecture but vary the number/model/detail of the servers. I am sick of the cut-n-paste approach and am wondering who has automated some of these p

RE: Visio diag automations

This thread may be helpful: http://markmail.org/thread/4o4bn3whbqdmhaol Frank -Original Message- From: Bobby Mac [mailto:bobby...@gmail.com] Sent: Friday, July 17, 2009 2:17 PM To: nanog@nanog.org Subject: Visio diag automations Hi All: I have to create Visio diagrams for sales engagem

Re: Cisco 7600 (7609) as a core BGP router.

On Sat, Jul 18, 2009 at 03:05:32AM -0700, Darren Bolding wrote: > Can someone provide a link, or more detail, on the netflow issues. > Particularly as they relate to 6509's and sup720's. The long and short of it is the current hardware (EARL7) is incapable of doing sampling (i.e. looking at 1 out

Outages in wales ?

hey peoples sorry for my question but a buddy in wales have massive problems with internet connectivity can someone confirm ? thanks so much marc -- Les enfants teribbles - research / deployment Marc Manthey Vogelsangerstrasse 97 D - 50823 Köln - Germany Vogelsangerstrasse 97 Geo: 50.945

Re: Outages in wales ?

On Sat Jul 18, 2009 at 09:31:56PM +0200, Marc Manthey wrote: > hey peoples sorry for my question > but a buddy in wales have massive problems with internet connectivity > can someone confirm ? I'm just on the welsh border, and I've not seen any issues reported - my home ADSL is up, our office conn

Re: Outages in wales ?

hey peoples sorry for my question but a buddy in wales have massive problems with internet connectivity can someone confirm ? I'm just on the welsh border, and I've not seen any issues reported - my home ADSL is up, our office connectivity (in the Welsh valleys) is up, and customer networ

Re: Outages in wales ?

> but a buddy in wales have massive problems with internet connectivity For those that don't know, Wales is a relatively small constituent country of the United Kingdom (size-wise, it is 'about the size of Wales'): Small as it is, it has a numbe

Re: Nexus 7K usage w/VDC, vPC - anybody?

Currenet 4.1 is a little flaky for vPC; running a set up with 4.1.5ES (TAC release) - recommendation is to wait and go with 4.2.1 when that releases. Haven't had any issues with the VDC features - still using 6500 in the core for the time being. Most installs I've seen have resulted in some TAC cas

Re: Outages in wales ?

On Jul 18, 2009, at 4:03 PM, Simon Lockhart wrote: On Sat Jul 18, 2009 at 09:31:56PM +0200, Marc Manthey wrote: hey peoples sorry for my question but a buddy in wales have massive problems with internet connectivity can someone confirm ? I'm just on the welsh border, and I've not seen any