RE: post CCIE written clarification

[dwhitley]

I think it would be safe to say that I could configure point to point (using
subinterfaces) over a nbma topology.
NBMA is more generic terminology than point to multipoint.  For example ATM
is a NBMA technoloy, yet it does not have to be set up in a point to
multipoint configuration. 

-Original Message-
From: Charles Henson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 24, 2001 12:29 PM
To: [EMAIL PROTECTED]
Subject: post CCIE written clarification


Got the written out of the way and am now going back to the basics to help
start preparing for the lab. One thing I cannot get clear and can't find any
good references for on CCO is the difference (if there is one) between point
to multipoint and nbma topologies. I have discussed this at length with my
peers and am still drawing a blank. If anyone can clarify this or refence a
good URL it would be greatly appreciated. Thanks.


Charles
[EMAIL PROTECTED]


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RE: Question about Napt

[dwhitley]

Normally yes.  But the unsual situation you originally described, would
require that the applications use the session layer to establish who gets
what data.  This would have to be carried in the same TCP connnection.
Following the OSI model

Applicaiton
Pressentation
Session (session multiplexing would occur here)
Transport  (NAT or PAT occur here)
Network
DataLink
Physical

-Original Message-
From: Fred Danson [mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 25, 2001 10:12 AM
To: [EMAIL PROTECTED]
Subject: RE: Question about Napt


If the host is using the same port for 2 different applications, wouldn't 
the applications get confused? Dont the applications need 2 different 
streams of traffic going with 2 different ports?


>From: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED], [EMAIL PROTECTED]
>Subject: RE: Question about Napt
>Date: Thu, 25 Jan 2001 10:07:30 -0500
>
>Here's my 2cents
>
>All TCP/UDP sessions can be uniquely identified using four pieces of
>information
>source tuple
>1) source ip address
>2) source socket
>destination tuple
>3) destination ip address
>4) destination socket
>
>The router would keep a table of inside connections and map those to a 
>table
>of outside connections that it originates.
>On the outside connections it has to be able to pick the source socket to
>originate from.  This allows the router to create unique connections 
>without
>duplication.   As to the multiplexing part, the router really wouldn't be
>involed.  The host would be doing the multiplexing.  If I understand what
>you have written the host would be using the same unique information to
>create the second session: same source ip address, same source socket, same
>destination ip address, and the same destination socket.  So the router
>really wouldn't care that there were two sessions, it only keys on the
>source and destination tuples.
>
>
>-Original Message-
>From: Fred Danson [mailto:[EMAIL PROTECTED]]
>Sent: Thursday, January 25, 2001 9:07 AM
>To: [EMAIL PROTECTED]
>Subject: Question about Napt
>
>
>  Hi, I was reading RFC3022 about Napt last night, and I still dont
>understand one thing about it. From what I understand is that Napt allows
>you to use one single globally unique IP address on the WAN interface of
>your router, and then a large number of local addresses inside your network
>which aren't globally unique.
>  Now the router will be able to translate the different traffic 
>streams
>coming from the WAN according to the port on the packet. So if host A 
>inside
>
>the network wanted to communicate with Host B which is on a different
>outside network, it would directly address the outside site, and the router
>would catch the packet enroute and change the source IP address to the
>router WAN interface IP address and also change the source port to a port 
>of
>
>the router's discretion.
>  Normally, from what I understand, ports are used to multiplex streams
>of traffic across a link. If Host A was using two applications and wanted 
>to
>
>start a second session with Host B. Would the router allow this? The RFC
>states "While not a common practice, it is possible to have an application
>on a private host establish multiple simutaneous sessions originating from
>the same tuple of (private address, private TU port). In such a case, a
>single binding for the tuple of (private address, private TU port) may be
>used for translation of packets pertaining to all sessions originating from
>the same tuple on a host. How exactly would the applications know which
>traffic stream was for itself?
> Also, how many local hosts can the router assign to a single IP 
>address
>before it has to use a second IP address? Could a company of 10 use a
>single IP address for NAPT? or would it need to use more than one?
>
>
>Thanks in advance,
>
>Freddy
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RE: Fake SAP Broadcasts

[dwhitley]

I think there also has to be a corresponding route in the routing table for
the IPX network before the router will advertise the SAP

-Original Message-
From: Peter Van Oene [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 26, 2001 10:01 AM
To: [EMAIL PROTECTED]
Subject: Re: Fake SAP Broadcasts


The global command is as follows:

ipx sap service-type name network.node socket hop-count

For more information, check out the following link for 11.3.  I don't
believe the syntax has changed in further releases.

http://www.cisco.com/univercd/cc/td/doc/product/software/ios113ed/cs/csprtn2
/csipx.htm#xtocid2835297

*** REPLY SEPARATOR  ***

On 1/25/2001 at 5:56 PM McGhee, Chris wrote:

>How can I make a Cisco 3640 router begin sending bogus SAP broadcasts in a
>test environment so that when other routers issue the "show ipx servers"
>command it appears that a netware server exists on the nework. I have seen
>this done in the past but am not sure how to accomplish this myself. Please
>respond to my email address below.
>Thanks,
>Chris Mcghee
>[EMAIL PROTECTED]
>
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---
Peter A. van Oene
Juniper Networks Inc.

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RE: Early Token release

[dwhitley]

There can only be 1 token on a ring at any time.  The confusion comes from
thinking that a data frame contains a token it does not.  A host takes the
token off the ring and transmits a data frame, when its done tramiting the
data frame (using early token release) it then returns the token to the ring
before it has removed its last data frame.

-Original Message-
From: Faisal Athar [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 26, 2001 7:18 AM
To: [EMAIL PROTECTED]
Subject: Early Token release


Hi,
Please solve my confusion for this as I am getting different answers from
different resources..


Early token release 

(1) allows one token and more than one frames.
(2) Allows more than one token and more than one frames.
(3)allows more than two tokens and one data frame.

Thanks  a lot in advance...


Faisal.


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RE: Tacacs+/Radius

[dwhitley]

The Radius server for NT is on the free option pack CD for nt4.0 the Radius
server is called Internet Authentication Service (IAS) or some such name.
It can only be loaded on NT 4 Server not workstation.

I have been using it for remote dial up along with a Shiva Netmodem, for
about 3 years and haven't had any problems after the installation.  This is
a limited function version.  The real version comes with,I think?, Site
Server.  The main difference is you can only use the default nt domain for
users, with the full version you can select different domains for user
selection.


-Original Message-
From: Study Cisco [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, January 30, 2001 3:27 AM
To: Piatnitchi Cristian; 'Kevin Wigle'; cisco
Cc: [EMAIL PROTECTED]
Subject: RE: Tacacs+/Radius


Hi all

I am also looking for same. There was one free copy
ditributed by Microsoft on technet CDs. If some one
knows in which month they have distributed the same. 

Regards.



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RE: x.25 question help

[dwhitley]

Title: RE: x.25 question help





I don't have my CCITT Blue book anymore but I want to say its 64k connecting to a PDN (Public Data Network) this is a serial connection.  Now days though, you could create an x.25 connection over ethernet which would change the above rate.

-Original Message-
From: Guy Tal [mailto:[EMAIL PROTECTED]]
Sent: Monday, November 20, 2000 9:52 PM
To: Zhang Jin
Cc: [EMAIL PROTECTED]
Subject: Re: x.25 question help




- Original Message -
From: "Zhang Jin" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Monday, November 20, 2000 7:58 PM
Subject: x.25 question help



> Dear group,
>
> I have a question about x.25 transmit rate as following:
> What is the maximum transmission rate for X.25?
>
> A. 56 Kbps
> B. 64 Kbps
> C. 128 Kbps
> D. 1.544 Mbps
>
> Thanks
>
> dean
>
>
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RE: Config Motorola DSU/CSU 3512....

[dwhitley]

Here 
is a link to the manual for the 3512.  The only odd thing to configure is 
one DSU/CSU should be set to internal clocking and the other to take clock from 
the line.  http://www.motorola.com/MIMS/ISG/Products/3512/manual/

  -Original Message-From: Minh Vu 
  [mailto:[EMAIL PROTECTED]]Sent: Wednesday, November 29, 2000 12:49 
  PMTo: [EMAIL PROTECTED]Subject: Config Motorola 
  DSU/CSU 3512
  Hello all,
   
  I have setup PPP on Cisco router, it 
  works with cross-over cable (without DSU/CSU).  And now, I want 
  implement DSU/CSU 3512 (made by Motorola) between those two router instead of 
  cross-over V.35 cable.
   
  Router1---S03512-cross-over-3512-S0Router2
   
   
  I have the link (displayed on DSU/CSU) between 
  two DSU/CSU (3512) however on both router the line protocol DOWN and 
  interface UP. So I think I miss config the DSU/CSU.
   
  Has anyone experienced on Motorola DSU/CSU 3512 
  model ? Can you show me how to config 3512?
   
  I never been config DSU/CSU before so what is 
  the requirement setup should I look for when I config on other DSU/CSU 
  (manufacture or model)
   
   
   
  Thanks

RE: Help me guys CCO Login

[dwhitley]

 

Go to the following link and you can sign up as a Cisco consultant, there
are no prerequisites.  You will receive a CCO login for you troubles.

http://www.cisco.com/warp/public/792/determine.html
  




-Original Message- 
From: Montgomery, Robert WARCOM Contractor 
[ mailto:[EMAIL PROTECTED]  ] 
Sent: Wednesday, December 06, 2000 4:27 PM 
To: Shahid Muhammad Shafi; [EMAIL PROTECTED] 
Subject: RE: Help me guys CCO Login 


You have to pay. 

-Original Message- 
From: Shahid Muhammad Shafi [ mailto:[EMAIL PROTECTED]
 ] 
Sent: Wednesday, December 06, 2000 11:58 AM 
To: [EMAIL PROTECTED] 
Subject: Help me guys CCO Login 


Hi Cisco gurus out there. I want some help, i need to 
make CCO login and i know thayt i can do that by 
clicking register but then it askds for a verification 
key for which i have no clue. kindly u guys help me 
with this. 

= 
Shahid Muhammad Shafi 
MSc Telecommunications Candidate 
University of Colorado Boulder 
BSEE(GIKI),MCSE+I,CNA,CCNA,CCNP,NNCAS 

Please help feed hungry people worldwide http://www.hungersite.com/
  
A small thing each of us can do to help others less fortunate than ourselves


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RE: THIS IS A CISCO STUDY GROUP

[dwhitley]

I use to watch Days of Our Lives but,
this mail list is better :-)


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RE: CCIE Case Scenario

[dwhitley]

I found in the Roosevelt Giles: All-in-one Cisco CCIE study guide the
following statement
The three bits RRR, are the reservation bits.  These bits are initially set
to 0 by any transmitting station.  So, when the currently circulating frame
is returned to the originating station and a new token is generated, the PPP
bits, the priority bits, are set to the RRR bits value.  

The following statement is my interpretation of the next paragraph: It goes
on to say that a controller looks at the T (token bit) and the PPP (priority
bits) to determine if it can seize the token and transmit data. There is no
mention of looking at the RRR bits to determine if a controller can seize
the token.

-Original Message-
From: Pierre-Alex GUANEL [mailto:[EMAIL PROTECTED]]
Sent: Friday, January 12, 2001 4:03 PM
To: [EMAIL PROTECTED]
Subject: CCIE Case Scenario 


I've been on it since 4am. Still can't figure that one out ...

>From Cisco:

"After the token is claimed and changed to an information frame, only
stations with priority higher than the trasmitting station can reserve the
token for the next pass around the network. When the next token is
generated, it includes the highest priority of the reserving station.
Stations that raise a token's priority level must reinstate the previous
lower priority level after their transmission is complete"

CASE SCENARIO:

I have 3 stations: A , B, and C Their resective priorities are 1 , 4, and 5.
Station X Y Z have priority 0
Station A grabs the token (the priority at the time was 0) and put data on
it. While it goes around the ring, station B reserves the token for itself.
When the token comes back to station A (we assume  X was the destination), A
creates a new token with priority 4 and no reservation set. 

QUESTIONS: 

Question: Is the last statement of my case scenario correct or is it the
other way arround? (A creates a new token ring with the previous priority: 0
and set the reservation to 4). 

DIAGRAM: The ring

A---W---BCX-
|Z---Y-|

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RE: wrong subnet

[dwhitley]

Just write out the address in binary to see if it legal or not.
This address is OK.
Network 10.1.244.0
Host range 10.1.244.1 - 10.1.245.254
Broadcast 10.1.245.255
Mask 255.255.254.0
The router is on the last available address.  This is normal in a lot of
networks.



""Dennis Ighomereho"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
hello everyone,
someone has just given me an IP address to use which i think the subnet
is wrong or know is wrong.can someone just confirm this.
Ip address:10.1.245.253
mask:  255.255.254.0
gateway10.1.245.254


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RE: WAN switching Exam

[dwhitley]

Check the Cisco web site for details.
http://www.cisco.com/warp/public/625/ccie/certifications/wan.html
They are retiring the CCIE Wan switching written test at the end of this
month.  They will be announcing the details of a new certification in
February for the "Service Provider" track.  I dont know if this affects the
lower WAN certs.

-Original Message-
From: mjans001 [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, January 16, 2001 8:58 AM
To: Stuart Laubstein; [EMAIL PROTECTED]
Subject: RE: WAN switching Exam


Try the Q&A  forum here.

Cheers.

Martijn

-Oorspronkelijk bericht-
Van: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]Namens Stuart
Laubstein
Verzonden: dinsdag 16 januari 2001 14:13
Aan: '[EMAIL PROTECTED]'
Onderwerp: WAN switching Exam


Are there any good books for the CCNA Wan switching exam? Is it a useful
cert in any case--ie are companies looking for it at all or even know it
exists? The exam outline looked pretty much like CCNA with some of the stuff
from CCNP thrown in but not much. Has anyone actually taken the test?

thanks

stu

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RE: Visio Stencils

[dwhitley]

If you have a CCO login try the following link and look at the last item on
the page.
http://www.cisco.com/partner/visio/index.html

-Original Message-
From: Sar Feng [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 17, 2001 10:34 AM
To: [EMAIL PROTECTED]
Subject: Re: Visio Stencils


Can you please give more detail? I logined in CCO, software, but can not
find it.
please help,
""Adam Hickey"" <[EMAIL PROTECTED]> wrote in message
00f001c07fe5$1e5fb140$[EMAIL PROTECTED]">news:00f001c07fe5$1e5fb140$[EMAIL PROTECTED]...
> Login to CCO and go to software download
>
> Adam Hickey
> [EMAIL PROTECTED]
>
> - Original Message -
> From: "Steven Crawford" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Tuesday, January 16, 2001 9:25 AM
> Subject: Visio Stencils
>
>
> > Are there any visio stencils for Cisco products??
> >
> > eg. 4006, 6500, etc.
> >
> > I am looking for product images
> >
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RE: F4/F5 OAM for ATM.

[dwhitley]

If you want to download the ATM forum specs try their public FTP site.  Go
to the following site
http://www.atmforum.com/atmforum/specs/approved.html

-Original Message-
From: RAUNIYAR RAJEEV [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, January 17, 2001 11:07 AM
To: [EMAIL PROTECTED]
Subject: F4/F5 OAM for ATM.



Hi all,
could someone please guide me to the right direction if I were to look for
some specs and stuff on OAM.
I found not much on the internet.
Any site or book would be highly appreciated.

Thanks in advance.

Rajeev









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RE: Boson CCIE Written Practice test

[dwhitley]

Title: RE: Boson CCIE Written Practice test






Jeff,


I just passed 350-001 on Nov 1 and I ordered the BOSON test around Oct 29.  I have done allot of study with written materials and OJT, but it did help me pass the written.  I'm not sure I could quantify how much, although one question could be the difference  between passing and failing.  My feeling is that $30.00 is cheaper that paying $200.00 twice.


-Original Message-
From: Bond Jeffrey MSgt 93 CSS/SCON [mailto:[EMAIL PROTECTED]]
Sent: Monday, November 06, 2000 9:19 AM
To: '[EMAIL PROTECTED]'
Subject: Boson CCIE Written Practice test



Can anyone whose has passed the CCIE written commit on whether the Boson
test helped you passed the 350-001?


thanks 



Jeff





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RE: pairgain T1

[dwhitley]

Title: RE: pairgain T1





Check out the following http://www.pairgain.com/PRODUCTS/enterprise_lan/cmpscsu.asp 
In my experience if you have a DSX-1 interface it will connect to a T1.
The main difference being the signal amplitude the DS1 will go up to 6k and the DSX1 will go up to 655ft 



-Original Message-
From: Rodgers Moore [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 09, 2000 10:23 AM
To: [EMAIL PROTECTED]
Subject: Re: pairgain T1



It depends on the exact model, but in general NO.  Pairgain was never really
a CSU/DSU company, but rather a HDSL T1 repeater/extender company.  They did
make a few models that would take T1 on the network side, but I don't
remember if these had v.35 options on the DSU side.


Is this a two or a four wire version?  If it's a four wire, then it may be
possible.  You can always try it.  If it doesn't work, then do something
else.


Rodgers Moore


"Frank Kim" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]" TARGET="_blank">news:[EMAIL PROTECTED]...
> Hi folks,
> I have a Pairgain T1 campus with a DSX-1/v.35 interface.  Can this be used
> to attached to a T1?  Thanks for any input.
>
> -Frank
>
>
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Course Content of BRS for CCIE's

[dwhitley]

Title: Course Content of BRS for CCIE's





James,


I called ARS Limited and was given your email address to forward my question to.  I was getting ready to schedule the BRS class for myself.  I have passed the written exam and have scheduled a lab date in APR of 2001.  I was wondering do you have any plans to update the class content to reflect the changes Cisco has recently posted to the web site concerning lab exam topics.

Sincerely,


Dean Whitley

RE: T-1 Vs DS-1

[dwhitley]

Title: RE: T-1 Vs DS-1





Here's my thoughts
DS-1 = 24 DS0's so 24 x 64KB = 1.536MB the actual DS-1 rate 
and the T-1 describes the framing bits as well
Framing = 8KB + 1.536MB = 1.544MB the actual T-1 rate


So the answer is A) 1.536MB


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 14, 2000 4:02 PM
To: [EMAIL PROTECTED]
Subject: T-1 Vs DS-1




  Pick the right answer here


  Q.) At what speed does a DS-1 run over T-1?


  a.) 1.536 MB    b.) 1.544 MB



   


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RE: Any X.25 pros out there?

[dwhitley]

Title: RE: Any X.25 pros out there?





The 'translate x25' command takes the incoming x.25 connection request and translates it to an outgoing ip connection ( the created connection is full duplex ) but you would also need a 'translate tcp' command to enable incoming tcp connections to initiate an outgoing x.25 connection.

-Original Message-
From: Brian Lodwick [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 14, 2000 5:11 PM
To: [EMAIL PROTECTED]
Subject: Any X.25 pros out there?



This question may not prove to be so difficult. I am in a discussion (a nice 
way to say an arguement) and I am so hardheaded I will not let down.
  The big question is whether in an X.25 configuration when there is a 
translate statement set does it indicate that when a packet coming into that 
router destined for  X.121 address it will be translated to 
IP's in this pool.


or


  Does the translate statement say any packets destined for this IP pool 
will be translated to this X.121.


or


are we both painfully wrong?


or
are there no people working with this old decrepid technology to worry about 
it?


>>>Brian
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RE: Cisco documentation on Windows 2000

[dwhitley]

Title: RE: Cisco documentation on Windows 2000





I am using a CD dated october 1999 on windows 2000.  I did have some problems.  My question is, are you installing the Verity CD web publisher using the default settings (it will install on the C: drive) 

-Original Message-
From: carmelo Garofalo [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 16, 2000 8:46 AM
To: [EMAIL PROTECTED]
Subject: Cisco documentation on Windows 2000



Hi Guys,
I had problem to install the Cisco Documentation on W2k. The installation
seem to be successful, but when i launch the application , Maste Setup
appear an error
concerning the "search.exe" program.


How do i could resolve this problem?


Regards,


carmelo



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