what happens to the COLT link [7:12431]

2001-07-15 Thread azhar mumtaz

Will somedboy help me how to get access to the COLT online testing means =
cisco
online testing . The previous URL is not working.
Any help will be greatly appreciated.
Thanks
azhar




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colt link is not working [7:12352]

2001-07-13 Thread azhar mumtaz

Can anyone please tell me what is the exact URL for using COLT testing now
because the previous URL 
http://www.cisco.com/cgi-bin/front.x/wwtraining/colt/ColtLogin.pl

is not working. Any help will be greatly appreciated.
Thanks
Azhar Mumtaz.




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Re: [How to clear counters on a specific port. [7:9896]

2001-06-27 Thread azhar mumtaz

You can use clear counters command for clearing counters on all ports or
clear
counters module/port command.
Regards
AZHAR SOOMRO




"Washington Rico"  wrote:
Anyone know how to clear counters for a specific port.  I need to clear 
counters on a specific port instead of clear all the counters on the 
switch.  How do you do that.  Switch is Cat 6500.

Regards,
Rico 
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Re: [Re: How to determine CIR and increase CIR of FR? [7:203]

2001-04-11 Thread azhar mumtaz

Well normally when u r configuring eigrp on frame-relay network, let suppose
u
give 128 k bandwidth, u know that eigrp uses 50 percent of the bandwidth, so
it will use 64 k of the bandwidth of the interface.. And we know normally the
serial interface is 64 K so it will make use of all the bandwidth. So we can
set the bandwidth by using
ip percent-bandwidth eigrp AS PERCENT

Next on framerelay network , when we are configuring point to point networks,
we should set the CIR to lowest bandwidth of the interface. While on
multipoint, we set the CIR to the lowest bandwidth times the no of interfaces
we have. 
Please correct me if I am wrong.
Regards
Azhar Soomro





"El pingu"  wrote:
you are incorrect .

The bandwidth command is to manipulate route metrics.



Stephen Skinner wrote:

> i don`t mean to be rude ,but i was essential correct..
>
> if you set the bandwidth command to 64k and you have a CIR of 128K yo will
> only get 64K...But as my good friends have pointed out the default is
> 1.544kb..but i was just trying to make that point stand out that it`s
> the serivce provider who makes the call about the info rate...
>
> I`m sorry if i`m bieng ANAL about this i just wanted myself to be clear..
>
> best regards
>
> steve
>
> >From: "EA Louie"
> >Reply-To: "EA Louie"
> >To:
> >Subject: Re: How to determine CIR and increase CIR of FR?
> >Date: Mon, 9 Apr 2001 08:16:49 -0700
> >
> >ohhh no the bandwidth statement in the interface is *manually* entered
> >(defaulted at 1544 Kbit for a serial interface), and is used to calculate:
> >1.  metrics for routing protocols, and
> >2.  bandwidth utilization in the "show interfaces" display
> >so it's important to have it set correctly.
> >
> >Some frame relay carriers (Sprint and PacBell come to mind) do not
transmit
> >their CIR, so 'show frame-relay map' doesn't display their CIR.
> >
> >The frame relay provider does need to be contacted to increase CIR. 
Higher
> >CIR usually translates into a cost increase for the circuit.
> >
> >Here's an explanation of EIR - also see
> >http://www.nwfusion.com/newsletters/frame/1108fr2.html and
> >http://www.nwfusion.com/newsletters/frame/1206fr1.html
> >
> >EIR is the difference between the port speed of the frame relay service
and
> >the CIR.  The port speed is set by the frame relay service provider, and
> >may
> >be lower than the maximum interface speed - for example, on a T-1 circuit,
> >the provider could provide a 384kbps port and a 128k CIR.  In this case,
> >the
> >EIR = 256k, and it would be wise to set the interface bandwidth to 384k
> >(bandwidth 384 on the serial interface) to match the port speed.  And the
> >port speed is usually the maximum rate at which one can oversubscribe the
> >PVC (that is, it is usually the frame relay burst rate)
> >
> >The moral of the story - just because there is an *access circuit* at a
> >particular transmission rate does not assure you that you burst at that
> >rate.  The interface is rate-limited to the port speed that was ordered
> >from
> >the frame relay carrier.
> >
> >-e-
> >- Original Message -
> >From:
> >To: Greg Owens
> >Cc: ;
> >Sent: Monday, April 09, 2001 6:55 AM
> >Subject: Re: RE: How to determine CIR and increase CIR of FR?
> >
> >
> > > Are you sure that information isn't just taken from the "bandwidth"
> >statements on the subinterfaces?
> > >
> > >
> > > Greg Owens  wrote:
> > > > Sh frame map will show u the CIR
> > >
> > > -Original Message-
> > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > Stephen Skinner
> > > Sent: Monday, April 09, 2001 7:45 AM
> > > To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> > > Subject: Re: How to determine CIR and increase CIR of FR?
> > >
> > > your CIR (Committed information rate) is supplied by your SP ...you and
> >him
> > > agree how much you can have( depending on how much you pay)
> > > usually the person setting up your router sets the "BANDWIDTH"
> >command
> > > to the CIR+ BR (burst rate) I.E how high you CAN go up to for a limited
> > > amount of time ..again your service provider has set this for you
> >.
> > >
> > > HTH
> > >
> > > steve
> > >
> > >
> > > >From: "David Gollop"
> > > >Reply-To: "David Gollop"
> > > >To: [EMAIL PROTECTED]
> > > >Subject: How to determine CIR and increase CIR of FR?
> > > >Date: Mon, 09 Apr 2001 10:29:40 -
> > > >
> > > >Hi..  How to determine the CIR of a frame relay line?  Like Result
> >shown
> > > >below, what is the CIR?  How do I increase the CIR?  Do we have to
> >contact
> > > >the Frame relay provider?  What is the difference between CIR and
EIR??
> > > >
> > > >
> > > >SIN01#sh int s1/1.19
> > > >Serial1/1.19 is up, line protocol is up
> > > >  Hardware is M4T
> > > >  Description: ---  Connects to JKT01 Ser0.2 ---
> > > >  Internet address is 50.200.243.25/30
> > > >  MTU 1500 bytes, BW 2048 Kbit, DLY 2 usec,
> > > > reliability 255/255, txload 2/255, rxload 2/255
> > > >  Encapsulation FRAME-RELAY IETF
> > >

why there is an ethernet frame size limitation

2001-01-24 Thread azhar mumtaz

Hello Guys:
What i want to know is why there is a limit that ethernet frame size cannot be
less than 64 bytes and more than 1526 bytes. I know that this is how ethernet
should be understand but whats the logic behind it. Similarly why we are
limiting cell size of ATM to 53 bytes.
Regards
Azhar Soomro


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Re: [Re: x.25 question help]

2000-11-20 Thread azhar mumtaz

The Maximum Speed for X.25 is 2MB/s 
Regards
Azhar Soomro

"Guy Tal" <[EMAIL PROTECTED]> wrote:

- 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: [Reverse Telnet]

2000-11-17 Thread azhar mumtaz

Hello:
You can consult the following URL 

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/12cgcr/dial_c/dcrtelnt.htm

Regards
Azhar Soomro



"ALI SHEERAZ" <[EMAIL PROTECTED]> wrote:
hello,

I want a reverse telnet session to a modem thru a 2501 router ,how can it be 
possible...any configuration commandson async and aux ports..the modem 
is external 56000bps voice/fax...i'll be thankful to you.

ALI SHEERAZ
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bgp problem

2000-11-15 Thread azhar mumtaz

A BGP speaker must never advertise an address of a peer to that peer as a
NEXT_HOP , for a route that the speaker is originating.
Can I anyone explain it.
Thanks
Azhar Soomro


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Re: [configure router thru aux port]

2000-11-14 Thread azhar mumtaz


The auxiliary port is used for remote access to the router through an
asynchronous modem.
You have to assign an ip address to the asynchronous interface mapped to the
auxiliary port on a router.
The auxiliary password is used to set a password for the aux. port . This port
is used to connect a modem to a router for remote console connections.
The commands are
router# config t
router(config)#line aux 0
router(config-line)#login
router(config-line)#password azhar
router(config-line)^z


It is important to connect the modem to the router before configuring the
modem to verify that communication between them is established. If the cabling
is incorrect, the rest of the process will fail. 

For a complete router-modem connection, consult the following URL

http://www.ieng.com/warp/public/76/9.html

Regards
Azhar Soomro


"ALI SHEERAZ" <[EMAIL PROTECTED]> wrote:
hello friends,

I need to configure router (2501) thru aux port...I need its 
configuration..can anybdy help me..

ALI SHEERAZ
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cmtd book

2000-06-24 Thread azhar mumtaz

Hi:
Can any one help me where on the net i can buy CMTD book.
Regards
Azhar Mumtaz


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Re: [What is Keepalives???]

2000-06-13 Thread azhar mumtaz

The keepalive interval is the frequency at which the Cisco IOS software sends
messages to itself (Ethernet and Token Ring)or to the other end (serial), to
ensure a network interface is alive. 

The interval in previous software versions was 10 seconds. An interface is

declared down after three update intervals have passed without receiving a

keepalive packet. 
Setting the keepalive timer to a low value is very useful for rapidly
detecting Ethernet interface failures (transceiver cable disconnecting,
cable unterminated, and so on). A typical serial line failure involves losing
Carrier Detect (CD) signal.Because this sort of failure is typically noticed
within a few milliseconds, adjusting the keepalive timer for quicker routing
recovery is generally not useful. 

Regards:
Azhar Mumtaz




[EMAIL PROTECTED] wrote:

 Does anyone have a short good definition of what a keepalive is


Brian
Email Address [EMAIL PROTECTED]

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