[c-nsp] sh Queue output ?

2007-04-21 Thread Azher Amin
Hi,

I have a 2Mb serial link with the main provider. However when i issue 
the following command, it says 'Available Bandwidth 1536 kilobits/sec'. 
Can some one plz explain why it is this behavior?

Regards
-Azher Amin

gw#sh queue serial 0/0/0:0
  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 18488
  Queueing strategy: weighted fair
  Output queue: 0/1000/64/17894 (size/max total/threshold/drops)
 Conversations  0/93/256 (active/max active/max total)
 Reserved Conversations 0/0 (allocated/max allocated)
 Available Bandwidth 1536 kilobits/sec

gw#sh controllers E1 0/0/0
E1 0/0/0 is up.
  Applique type is Channelized E1 - balanced
  Description: 2Mbps IPL
  No alarms detected.
  alarm-trigger is not set
  Version info Firmware: 20041023, FPGA: 16, spm_count = 0
  Framing is UNFRAMED, Line Code is HDB3, Clock Source is Line.
  CRC Threshold is 320. Reported from firmware  is 320.
  Data in current interval (3 seconds elapsed):
 0 Line Code Violations, 0 Path Code Violations
 0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins
 0 Errored Secs, 0 Bursty Err Secs, 0 Severely Err Secs, 0 Unavail Secs


Configurations:
---

controller E1 0/0/0
 channel-group 0 unframed
 description 2Mbps IPL

interface Serial0/0/0:0
 bandwidth 2048
 ip address 203.99.50.33 255.255.255.252
 ip nat outside
 ip virtual-reassembly



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Re: [c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread heh heh
Welcome the miracle of tacacs.

On 4/21/07, Richard A Steenbergen <[EMAIL PROTECTED]> wrote:
>
> On Sat, Apr 21, 2007 at 07:50:32PM +0200, Oliver Boehmer (oboehmer) wrote:
> > omar parihuana <> wrote on Saturday, April 21, 2007 7:32 PM:
> >
> > > Hi list,
> > >
> > > We're redesigning a small MPLS Network (about 30 PE Routers and 2 P
> > > Routers -Link between P-PE: Ethernet-), so far the IGP is OSPF,
> > > however  ISIS was proposed too.  What is the best? IS-IS or OSPF? and
> > > Why? regarding the small network.
> >
> > check the archives, this has been discussed before.. it boils down to
> > "use what you're most comfortable and familiar with", and as you're
> > using OSPF already, the choice should be clear.
>
> Possibly the single most annoying difference is that Cisco uses the
> command "ip router isis " to activate isis on an interface, vs just
> "ip ospf" with no "router". Now imagine you're tired and trying to take
> isis off an interface, and instead of typing "no ip router isis" you
> accidentally type "no router isis", and guess what happens. :)
>
> --
> Richard A Steenbergen <[EMAIL PROTECTED]>   http://www.e-gerbil.net/ras
> GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
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Re: [c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread Richard A Steenbergen
On Sat, Apr 21, 2007 at 07:50:32PM +0200, Oliver Boehmer (oboehmer) wrote:
> omar parihuana <> wrote on Saturday, April 21, 2007 7:32 PM:
> 
> > Hi list,
> > 
> > We're redesigning a small MPLS Network (about 30 PE Routers and 2 P
> > Routers -Link between P-PE: Ethernet-), so far the IGP is OSPF,
> > however  ISIS was proposed too.  What is the best? IS-IS or OSPF? and
> > Why? regarding the small network.
> 
> check the archives, this has been discussed before.. it boils down to
> "use what you're most comfortable and familiar with", and as you're
> using OSPF already, the choice should be clear.

Possibly the single most annoying difference is that Cisco uses the 
command "ip router isis " to activate isis on an interface, vs just 
"ip ospf" with no "router". Now imagine you're tired and trying to take 
isis off an interface, and instead of typing "no ip router isis" you 
accidentally type "no router isis", and guess what happens. :)

-- 
Richard A Steenbergen <[EMAIL PROTECTED]>   http://www.e-gerbil.net/ras
GPG Key ID: 0xF8B12CBC (7535 7F59 8204 ED1F CC1C 53AF 4C41 5ECA F8B1 2CBC)
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Re: [c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread Alex Burba
How about just to read this: :)
http://www.amazon.com/OSPF-Choosing-Large-Scale-Networks/dp/0321168798/ref=pd_bbs_2/102-8633462-4102568?ie=UTF8&s=books&qid=1177196013&sr=8-2


On 22/04/07, Gary Stanley <[EMAIL PROTECTED]> wrote:
>
> At 01:50 PM 4/21/2007, Oliver Boehmer \(oboehmer\) wrote:
> >check the archives, this has been discussed before.. it boils down to
> >"use what you're most comfortable and familiar with", and as you're
> >using OSPF already, the choice should be clear.
>
> Indeed. Stick with OSPF.
>
>
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Re: [c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread Gary Stanley
At 01:50 PM 4/21/2007, Oliver Boehmer \(oboehmer\) wrote:
>check the archives, this has been discussed before.. it boils down to
>"use what you're most comfortable and familiar with", and as you're
>using OSPF already, the choice should be clear.

Indeed. Stick with OSPF.


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Re: [c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread Oliver Boehmer \(oboehmer\)
omar parihuana <> wrote on Saturday, April 21, 2007 7:32 PM:

> Hi list,
> 
> We're redesigning a small MPLS Network (about 30 PE Routers and 2 P
> Routers -Link between P-PE: Ethernet-), so far the IGP is OSPF,
> however  ISIS was proposed too.  What is the best? IS-IS or OSPF? and
> Why? regarding the small network.

check the archives, this has been discussed before.. it boils down to
"use what you're most comfortable and familiar with", and as you're
using OSPF already, the choice should be clear.

oli

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[c-nsp] IS-IS or OSPF as IGP?

2007-04-21 Thread omar parihuana
Hi list,

We're redesigning a small MPLS Network (about 30 PE Routers and 2 P Routers
-Link between P-PE: Ethernet-), so far the IGP is OSPF, however  ISIS was
proposed too.  What is the best? IS-IS or OSPF? and Why? regarding the small
network.

Thank you for your suggestions...

Rgds.

-- 
Omar E.P.T
-
Certified Networking Professionals make better Connections!
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Re: [c-nsp] Traffic generator

2007-04-21 Thread Liviu Pislaru
hello,

pktgen module included in the Linux kernel.
... Network Testing ---> Packet Generator

--
liviu.
- Original Message - 
From: <[EMAIL PROTECTED]>
To: 
Sent: Friday, April 20, 2007 11:31 PM
Subject: [c-nsp] Traffic generator


Hi,

I´d like to stress some our links. Does anyone know a free traffic
generator?

At.

LUIZ PAULO MAIA
Gerência de Redes e Telecomun / ATOS ORIGIN SERVIÇOS DE TECNOLOGIAINFORM
LIGHT S.E.S.A. / [EMAIL PROTECTED] / 55-21-8119-5683





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Re: [c-nsp] GRE router recommendations

2007-04-21 Thread Brett Frankenberger
On Sat, Apr 21, 2007 at 02:32:22PM +0200, Gert Doering wrote:
> 
> 7600/Sup720 will do "whatever you need", provided you use a different local
> address for each "tunnel source" (if you have multiple tunnels on the
> same local IP address, the hardware can't do the tunneling, and the CPU 
> is much slower).

But it won't verify the source address on GRE packets it receives,
which makes it feasible to forge GRE packets without forging the source
address, which in some configurations makes some attacks easier.  That
relevant in some situations and not in others ...

 -- Brett
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Re: [c-nsp] Traffic generator

2007-04-21 Thread Jonathan Charles
Use WANkiller from solarwinds... there is a freeware demo out there...



Jonathan

On 4/20/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I´d like to stress some our links. Does anyone know a free traffic
> generator?
>
> At.
>
> LUIZ PAULO MAIA
> Gerência de Redes e Telecomun / ATOS ORIGIN SERVIÇOS DE TECNOLOGIAINFORM
> LIGHT S.E.S.A. / [EMAIL PROTECTED] / 55-21-8119-5683
> O conteúdo desta mensagem e seus anexos constitui informação confidencial.
> O seu uso,
> divulgação, reprodução e/ou cópia são proibidos. Caso não seja o
> destinatário da mesma,
> favor devolvê-la para o remetente e apagá-la em seguida.
>
> 
> This message is intended only for the individual organization to which it
> is addressed and
> contains confidential or privileged information. Any retransmission,
> dissemination or other
> use of this information by anyone other than the intended recipient is
> prohibited. If you are
> not the intended recipient please reply to or forward a copy of this
> message to the sender
> and delete the message.
>
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Re: [c-nsp] GRE router recommendations

2007-04-21 Thread Gert Doering
Hi,

On Fri, Apr 20, 2007 at 09:14:43PM +0100, Simon Lockhart wrote:
> At the sites where I need to tunnel from are currently 3550 switches (and
> a few 3750's). What sort of GRE performance should I see from those?

GRE is *not* supported on 3550/3750s (see the archives for more details).

> Assuming I use something other than the 3550 for GRE, what device would give
> me GRE at 100Mbps? 300Mbps? 500Mbps? 1Gbps? 5Gbps?

7200/NPE-G1 should do up to maybe 100-200 Mbit/s, but I'm doubtful whether
it could do 500 Mbit/s.

7600/Sup720 will do "whatever you need", provided you use a different local
address for each "tunnel source" (if you have multiple tunnels on the
same local IP address, the hardware can't do the tunneling, and the CPU 
is much slower).

gert

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Gert Doering - Munich, Germany [EMAIL PROTECTED]
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Re: [c-nsp] New hardware choose help needed

2007-04-21 Thread Phil Mayers
> WS-SUP720  Catalyst 6500 / Cisco 7600 Supervisor 720 Fabric MSFC3 PFC3A 1

PFC-3A is End-of-line, buggy and the same price as a -3B

Do NOT buy a -3A
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Re: [c-nsp] GRE router recommendations

2007-04-21 Thread Simon Lockhart
On Fri Apr 20, 2007 at 11:14:16PM +0200, Asbjorn Hojmark - Lists wrote:
> > At the sites where I need to tunnel from are currently 3550 
> > switches (and a few 3750's). What sort of GRE performance
> > should I see from those?
> 
> GRE is not supported on the small Catalyst switches. It does
> work (in some versions?) but only at low performance and with
> high CPU utilization... And, again, it's not supported.

Yeah - I've since found that on the Cisco website.

But, what about GRE performance on true routers?

Simon
-- 
Simon Lockhart | * Sun Server Colocation * ADSL * Domain Registration *
   Director|* Domain & Web Hosting * Internet Consultancy * 
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