Re: [c-nsp] Mysterious GRE tunnel flap

2010-07-22 Thread Ziv Leyes
Can this be related to keepalive settings? Do you have a keepalive line in your tunnel configuration? If you don't then it means it's defaultly set to 10 seconds, try to put no keepalive -Original Message- From: cisco-nsp-boun...@puck.nether.net

Re: [c-nsp] A few very Quick IP SLA questions

2010-07-22 Thread Ziv Leyes
I remember taking the whole core traffic down on a switch when trying a deliberate and wrong use of ip local policy route-map due to lack of experience and understanding. (sh*t happens) So my suggestion is to do it carefully and understanding what exactly are you trying to do... :-)

Re: [c-nsp] ASR1000 Series PPPoA

2010-07-22 Thread Brian Turnbow
Anyone heard anything on PPPoA on the ASR 1000 series yet? As far as i know it isn't supported (yet?) but i might be wrong :) PPPoA would make it a superb replacement for our 720X series We've been told it won't happen at least any time soon and to go with 10k as an upgrade path... Not

[c-nsp] Nexus 7k and OTV

2010-07-22 Thread Matthew Melbourne
Hi, Is it possible to extend two vDCs between Data Centres using OTV (pair of N7k on each site) - it's not clear how OTV uses vDCs to extend the L2 domain. Also, is it correct that Unicast-only transport support (and hence the use of an Adjacency Server) is not supported initially (looking at

Re: [c-nsp] 6506 high cpu usage

2010-07-22 Thread RAZAFINDRATSIFA Rivo Tahina
Hi James, we are running wccp and when we configured squid to L2 Mask cpu load returns to normal ~ 10% Thank you! BR At 02:35 16/07/2010, James Baker wrote: are you running wccp? On Fri, Jul 16, 2010 at 10:47 AM, RAZAFINDRATSIFA Rivo Tahina mailto:r.tah...@moov.mgr.tah...@moov.mg wrote:

Re: [c-nsp] Mysterious GRE tunnel flap

2010-07-22 Thread Gert Doering
Hi, On Wed, Jul 21, 2010 at 07:33:56PM -0600, Quinn Kuzmich wrote: To make this stranger, it's only ONE end of the tunnel going down. The other side stays up. That's not overly surprising as there is no signalling protocol on a GRE tunnel (unless keepalives are configured) that could affect

Re: [c-nsp] Mysterious GRE tunnel flap

2010-07-22 Thread Gert Doering
Hi, On Thu, Jul 22, 2010 at 10:01:04AM +0300, Ziv Leyes wrote: Can this be related to keepalive settings? Do you have a keepalive line in your tunnel configuration? If you don't then it means it's defaultly set to 10 seconds, try to put no keepalive There are no default keepalives on GRE

Re: [c-nsp] Nexus 7k and OTV

2010-07-22 Thread Lincoln Dale
On 22/07/2010, at 8:16 PM, Matthew Melbourne wrote: Is it possible to extend two vDCs between Data Centres using OTV (pair of N7k on each site) - it's not clear how OTV uses vDCs to extend the L2 domain. yes, its possible. there are 3 methods: 1. OTV runs inside a Virtual Device Context.

Re: [c-nsp] 6509 input queue drops

2010-07-22 Thread Nick Hilliard
On 21/07/2010 16:58, Chris Lane wrote: I have a 48 port 10/100/1000mb EtherModule WS-X6148-GE-TX on a 6509 You need to think of the 6148 as a set of 6 gigabit ethernet hubs, all connected together by means of a single gigabit ethernet switch. If any of the port groups microbursts to 1G

Re: [c-nsp] Mysterious GRE tunnel flap

2010-07-22 Thread Quinn Kuzmich
Ok, here's the config for one of the two routers - they have the same basic HSRP config so if one is wrong, so is the other. Remember, the other end of the tunnel is NOT exhibiting the problem at all. ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no

[c-nsp] pop site battery backup recommendations

2010-07-22 Thread Mike
Howdy, This isn't exactly cisco-centric, but it's certainly related operationally. I operate a county wide isp network and I have about 15 different pops. I equip each with APC700/1400's and with XR battery packs, with the goal being around 8 hours of runtime in the event of a power

Re: [c-nsp] pop site battery backup recommendations

2010-07-22 Thread Seth Mattinen
On 7/22/2010 08:45, Mike wrote: a) went berserk and flooded the network with garbage b) issued spurious turn off ups commands to the ups c) began automated self test cycles that shut off the ups (even when self-test is disabled!) I further have experienced UPSs that for

[c-nsp] arista 7500 versus cisco nexus

2010-07-22 Thread Kevin Hatem
Has anyone seen any actual (real network) performance stats on Arista's 7500 flagship switch or have one in production? I cannot seem to find anyone who has one of these boxes or any info on how they really perform under a load, especially compared to the Nexus 7k (or even the 5k). This

Re: [c-nsp] arista 7500 versus cisco nexus

2010-07-22 Thread Livio Zanol Puppim
lookslike a good switch. But I haven't read too much articles neither the datasheet. I have found this document comparing switches manufacturers: http://www.networkworld.com/community/node/57999 I'm interested in information about this switch too... 2010/7/22 Kevin Hatem kevin.ha...@pgs.com

Re: [c-nsp] 7606 config issue !!!

2010-07-22 Thread Jared Mauch
Cisco has posted sxi4a. Jared Mauch On Jun 22, 2010, at 8:54 AM, Jared Mauch ja...@puck.nether.net wrote: On Jun 22, 2010, at 8:42 AM, Gert Doering wrote: Hi, On Tue, Jun 22, 2010 at 08:03:22AM -0400, Jared Mauch wrote: The bug is CSCth43783. The control plane comes up but the data

Re: [c-nsp] pop site battery backup recommendations

2010-07-22 Thread Joe Maimon
Mike wrote: Howdy, This isn't exactly cisco-centric, but it's certainly related operationally. I operate a county wide isp network and I have about 15 different pops. I equip each with APC700/1400's and with XR battery packs, with the goal being around 8 hours of runtime in the event of a