Class C costs

2000-10-30 Thread Edward Watson

What are ISPs charging for a single Class C?

Edward Watson

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RE: PRI vs T1

2000-09-28 Thread Edward Watson

PRI has 23B+1D.  T1 (also called a "channalized" T1) has 24 B-channels.
Therefore, you have a 64k bandwidth difference.  The book is correct because
only T1 has 1.544MB (usable) bandwidth.

Both use a T1 circuit.  The difference can be important if you're using the
circuit for dial-up modem users.  If you have 48 modems in an AS5300 with
two PRIs for the dial-up, only 46 modems can be used concurrently.  If you
have two T1s, all 48 modems can be used concurrently.

Edward Watson, CCNA
Consulting Engineer
Info Avenue
3545 Centre Circle Drive
Suite A
Fort Mill, SC 29716
803.802.6507 (voice)
888.662.5835 pin-15309 (pager)
[EMAIL PROTECTED]
www.infoave.net


-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
NetEng
Sent: Thursday, September 28, 2000 10:44 AM
To: [EMAIL PROTECTED]
Subject: PRI vs T1


Is there a difference between a PRI and a T-1? What has 23B + 1D? What one
has 24B? The reason I ask is I have a practice question that asks, "what
provides 1.544Mbs bandwidth."  PRI and T-1 are answers, but only PRI is the
correct answer (according to the test). What's the final answer


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Multi-chassis MPPP

2000-09-27 Thread Edward Watson

Does anyone have experience implementing MMPPP on AS5300s?  How much did CPU
utilization increase after MMPPP was implemented?  I'm looking at setting
this up on two 5300s or two 3600s.  Thanks for your thoughts.

If this has been posted before, I apologize.  My mail server has been doing
strange things lately.

Edward Watson, CCNA
Consulting Engineer
Info Avenue
3545 Centre Circle Drive
Suite A
Fort Mill, SC 29716
803.802.6507 (voice)
888.662.5835 pin-15309 (pager)
[EMAIL PROTECTED]
www.infoave.net

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trace route question

2000-09-15 Thread Edward Watson

  Correct me if I'm wrong.  In the below trace route, the three entries in
the first hop are the three attempts to route from hop 1 to hop2, correct?
  It is not the case that the router cannot determine how to get to
www.ibm.com.  I have a client that thinks the router is sending a single
packet from s20.r8.mtcrcl to s1.r1.mrbakr to s0.r8.mtcrcl before sending it
to the next hop.  Comments?  Explanation?

1 s20.r8.mtcrcl.infoave.net (216.X.X.77) 4 msec
s1.r1.mtbakr.infoave.net (216.X.X.81) 4 msec
s0.r8.mtcrcl.infoave.net (216.X.X.69) 4 msec
  2 sl-gw10-sea-5-1-0-TS5.sprintlink.net (144.X.X.141) 32 msec
border3-serial3-3-0.Denver.cw.net (204.70.30.53) 24 msec
sl-gw10-sea-5-1-0-TS5.sprintlink.net (144.X.X.141) 28 msec
  3 sl-bb10-sea-3-0.sprintlink.net (144.232.6.109) 28 msec 28 msec 28 msec

Edward Watson, CCNA
Consulting Engineer
Info Avenue
3545 Centre Circle Drive
Suite A
Fort Mill, SC 29716
803.802.6507 (voice)
888.662.5835 pin-15309 (pager)
[EMAIL PROTECTED]
www.infoave.net

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RE: RE: Monitoring WAN link

2000-09-15 Thread Edward Watson

MRTG is open source freeware www.mrtg.org and will run on WinNT.  NetSaint
www.netsaint.org is only available for Linux/Unix platforms.

-Original Message-
From: im_lcai_cn [mailto:[EMAIL PROTECTED]]
Sent: Friday, September 15, 2000 2:13 AM
To: Edward Watson; im_lcai_cn; [EMAIL PROTECTED]
Subject: RE: RE: Monitoring WAN link


Dear all,

   I want to run on NT. Can MRTG has the function I need? I have never heard
Net Saint before, Which company produce this software?





thanks

cai, land



What platform?  We use Net Saint and MRTG for these functions on Linux

 >boxes.

 >

 >-Original Message-

 >From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of

 >im_lcai_cn

 >Sent: Thursday, September 14, 2000 10:22 AM

 >To: [EMAIL PROTECTED]

 >Subject: Monitoring WAN link

 >

 >

 >Dear all,

 >

 >  I want to choose a software used to monitor WAN link, can you kindly

 >recommend the software I need to use, I want to have the following
function,

 > 1. Every time a WAN link down, he can email me or page me

 > 2. I can know the real-time statistics about every protocol percentage
and

 >every application percentage. And where most of the traffic are coming
from?

 > 3. good report function.

 >__

 >

 >===

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 >http://sms.sina.com.cn/

 >

 >**NOTE: New CCNA/CCDA List has been formed. For more information go to

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 >_

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RE: MRTG and T1

2000-09-14 Thread Edward Watson

On the version of MRTG that we use, you must define the max bytes for the
pipe.  This is done in the mrtg.cfg file.  You should see a line entry:
MaxBytes[output HTML file name here]: 193750

I suspect the number in this listing is not 193750.  The number is computed
as follows:
1.544M/8=193750

Hope that helps!

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Jeff Duchin
Sent: Thursday, September 14, 2000 6:22 PM
To: [EMAIL PROTECTED]
Subject: MRTG and T1


What's up everybody I have just installed MRTG and am monitoring our T1.
My question is this:

The max Bytes Per Second only goes up to 180k. How does this correlate to
actual bandwidth being used up on my pipe? I have a 2600 with a built in
CSU/DSU (bandwidth set to 1536kbps) over frame relay.

(see .gif for example)

I've been looking on CCO for the max kbps that it can actually route, but no
luck. I'm assuming that it can handle the 1536?

Cheers,
Jeff



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RE: Monitoring WAN link

2000-09-14 Thread Edward Watson

What platform?  We use Net Saint and MRTG for these functions on Linux
boxes.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
im_lcai_cn
Sent: Thursday, September 14, 2000 10:22 AM
To: [EMAIL PROTECTED]
Subject: Monitoring WAN link


Dear all,

  I want to choose a software used to monitor WAN link, can you kindly
recommend the software I need to use, I want to have the following function,
 1. Every time a WAN link down, he can email me or page me
 2. I can know the real-time statistics about every protocol percentage and
every application percentage. And where most of the traffic are coming from?
 3. good report function.
__

===
ÐÂÀËÃâ·Ñµç×ÓÓÊÏä http://mail.sina.com.cn
ÐÂÀËÍƳö°ÂÔ˶ÌÐÅÏ¢ÊÖ»úµã²¥·þÎñ
http://sms.sina.com.cn/

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