Hi Group,
I need to buy an updated documentation cd that contains Catalyst 3550
documentations. If any one can sell me one please let me know.
Thanks
John Tafasi
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=70490t=70490
something.
Thanks
John Tafasi
r1#show fla
System flash directory:
File Length Name/status
1 10031664 c4500-a3jk8s-mz.122-7b.bin [deleted]
2 3668568 c4500-i-mz.120-25.bin
[13700360 bytes used, 3076856 available, 16777216 total]
16384K bytes of processor board System flash (Read/Write)
r1
Hi Group,
The debug ip pim command on my router shows the router building a graft
message but i could not understand what no entries at the end of the
message mean. Can some one tell me what it means?
Thanks
John Tafasi
r6(config-if)#ip igmp join-group 225.22.2.2
19:30:16: PIM: Send v2 Hello
Hi Group,
When i configured r6 with ip igmp join-group command it generated I graft
message to the ustream router, but it did not generat a prune message when i
entered ip igmp join-group. Could some one just tell me why ?
BTW the network is runing dense mode multicast.
Thanks
John Tafasi
I beleive it means: no (S.G) entries.
- Original Message -
From: John Tafasi
To: Cisco Group Study ; ccielab
Sent: Friday, March 14, 2003 3:28 AM
Subject: Building Graft message
Hi Group,
The debug ip pim command on my router shows the router building a graft
message but i could
Hi group,
I practicing multicast and I am trying to get the router below to send a
continuous multicast stream. I receive response to only the first multicast
packet. Can some one give me a solution for this?
Thanks
John Tafasi
r1#ping
Protocol [ip]:
Target IP address: 225.2.2.2
Repeat count
Hi group,
I am receiving ilmi errored responses from the Lightstream 100 switch that I
am using. Does any body know what could be wrong ?
Here is the output from r6.
r9#debug atm ilmi
Setting ILMI debug for all interfaces.
r9#
01:55:18: ILMI(ATM0):Trying keepalive objects one at a time
Hi Group,
I have two atm routers that are connected to a Cisco Lightstream 100 atm
switch. I am trying to cause r6 to call r9 but the call does not succeed. I
have configured svc routes on the switch and configured the two routers to
use svc to reach each other. Below you will find the necessary
* 2 10 2
200
LS100#
- Original Message -
From: Tony Schaffran
To: John Tafasi ; Cisco Group Study
; ccielab
Sent: Friday, March 07, 2003 1:11 PM
Subject: Re: Problem with Lightstream 100, SVC
My first question would be, is your LS100 configured for routing NSAP
addresses
, location = User
04:01:04: ATMSIG(ATM0 0,0 - 0233/00): (vcnum:234) Call Initiated(U1) -
Null(U0)
04:01:04: ATMSIG(ATM0 0,0 - 0233/00): (vcnum:234) API - notifying Release
Complete event to client ATM0.1
04:01:04:
ATMAPI: (c
To: John Tafasi ; Cisco Group Study
; ccielab
Sent: Friday, March 07, 2003
: ATMSIG(ATM0 0,0 - 0233/00): (vcnum:234) Call Initiated(U1) -
Null(U0)
04:01:04: ATMSIG(ATM0 0,0 - 0233/00): (vcnum:234) API - notifying Release
Complete event to client ATM0.1
04:01:04:
ATMAPI: (c
- Original Message -
From: Tony Schaffran
To: John Tafasi ; Cisco Group Study
Thanks Brian. That makes sense.
- Original Message -
From: Brian Dennis
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Monday, March 03, 2003 10:13 PM
Subject: RE: Certified Cisco System Instructor (CCSI)
In order to become a CCSI you have to be sponsored by a Cisco
How do I know if a catalyst 3550 is running EMI or SMI image. I tried using
show version but that gave me no clue.
Thanks
John Tafasi
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Hi Group,
I am interested in becoming a CCSI but i could not find any information
regarding procedures for this certification on Cisco's web site. Can some
one give me some advice.
Thanks
John Tafasi
Message Posted at:
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Does any body know how to enable CGMP on a 3550 catalyst switch?
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Hi group,
I have a cisco 2522 router that is configured as a frame relay switch. I am
trying to configure CIR on serial 4 so that if the router connected to s4 is
sending more traffic than the configured CIR, packets will be dropped at fhe
frame relay switch. I configured the CIR on the switch
Hi group,
Does the Van Jacopson TCP/IP header compression algorithm compresses both ip
and tcp headers or only the tcp header?
Thanks in advance
John Tafasi
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I have noticed that the show frame-relay traffic on my routers does not show
that routers have sent and received inverse arp requests. Does any body
know why is that?
Thanks
John Tafasi
r5#show frame-relay map
Serial0 (up): ip 10.10.10.2 dlci 501(0x1F5,0x7C50), dynamic,
broadcast
I also found this from cisco's web site SNMP notifications can be sent as
traps or inform requests
So notification is either a trap or inform request sent by the router.
Thanks for all
- Original Message -
From: brett spunt
To: 'John Tafasi' ;
Sent: Tuesday, February 04, 2003 10:51
What is the difference between an SNMP notification and an SNMP trap?
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Hi Group,
I am using baytech rpc-2 in my home lab but I could not get it to work with
a cisoc 2511 terminal server. I am using the correct cable from baytech.
Could some one with a similar experience show me how to configure the 2511
to work with baytech?
Thanks in advance
John Tafasi
Hi Group,
I have once used a ms-dos tutorial that wounderfully explains how llc2
works. It was an animation of frames transmission between two hosts. Does
any body knows where is the location of this program now? I need to download
it again.
Thanks
John Tafasi
Message Posted at:
http
Hi,
does any one remembers the command to change how the netmask is represented
in the show interface.
192.168.5.0/24 versus 192.168.5.0 255.255.255.0
Thanks
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FAQ,
Hi Group,
Below I pasted what the command refernce is saying about limiting tftp
servers
used via snmp. My question is can you tell a router to save or copy
configuration files to or from a tftp server via snmp?
=
snmp-server tftp-server-list
To limit the TFTP servers used via
Hi Groub,
r2 and r5 are connected via isdn. I am trying to telnet to r5 from r2 but I
receive the message No input access group defined for BRI0. Does that mean
you cannot access a router via its bri interface unless an access list is
configured on bri0?
r2#telnet 10.10.10.2
Trying 10.10.10.2
0835866201
isdn spid2 0835866401
cdapi buffers regular 0
cdapi buffers raw 0
cdapi buffers large 0
snapshot server 5
ppp callback accept
ppp authentication chap
ppp chap hostname r5
!
- Original Message -
From: Brian Dennis
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent
: Brian McGahan
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Friday, December 27, 2002 1:29 PM
Subject: RE: No input access group defined for BRI0
John,
This is most likely due to the fact that you have a dynamic
access-list configured, yet the dynamic list is not applied
22
!
line con 0
exec-timeout 0 0
logging synchronous
transport input none
line aux 0
line vty 0 4
password cisco
login
!
ntp clock-period 17179628
end
r5#
- Original Message -
From: Brian McGahan
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Friday, December 27, 2002
Hi group,
I have r2 which is configured to request callback from r5. The problem is
that r2 does not wait for r5 to callback and will repeat the calling r5 and
request callback. However r5 will eventually succeed and callback r2. My
question is how can you prevent r2 from repeating the call to
I have two isdn routers r2 (callback client) and r5 (callback server).
without callback configuration r2 will connect to r5 successfully. With the
callback configuration added, r5 will disconnect the call and will not
callback r2. Can some one figure out what is wrong with my configuration? I
have
Yes, and the ping work fine when there is no callback configuration on the
routers.
- Original Message -
From: Tony Schaffran
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Monday, December 16, 2002 7:24 AM
Subject: RE: BR0:1 DDR: No callback negotiated
Do you have
Thank you Brian that was why it did not work. Now it is working .
- Original Message -
From: Brian Dennis
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Saturday, December 14, 2002 12:35 PM
Subject: RE: problem with reflexive access list
You also misspelled outboundfilter
Hello,
I have a problem telneting from r5 to r2 when reflexive ip access list is
configured. Without the reflexive access list, the telnet will work fine.
The two routers are directly connect via their ethernet 0 interfaces. Could
some one find out what is wrong with my configuration. Both
I tried that too and it did not work.
- Original Message -
From: Brian Dennis
To: 'John Tafasi' ; 'Cisco Group Study'
; 'ccielab'
Sent: Friday, December 13, 2002 11:56 PM
Subject: RE: problem with reflexive access list
John,
By default packets sourced by the router
Hi group,
Below is the output of debug ntp packets on my router. It show that the
router is sending ntp stateless packets. Why is that? What it means? When
will the router send stateless packet?
Dec 2 22:43:12.909: NTP: rcv packet from 10.10.10.2:
Dec 2 22:43:12.909: leap 0, mode 3, version
I am using dialer profiles on r2 below and wants protocol broadcast such as
rip to be sent out accross the isdn link to r5. I tried to find the command
that allows me to configure broadcast but dialer interfaces do not accept
the dialer map command. Does any body of you know?
hostname r2
!
Hi group,
I have r2 (ntp server) and r5 (ntp client) exchnaging (or supposed to) ntp
information accross an isdn link. r2 is configured to broadcast ntp packets
via its bri0 interface and is doing so sucessfully. r5 is receiving the ntp
packets but the debug ntp packets on r5 does not produce any
at's why there are not any associations on r5.
John Tafasi wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi group,
I have r2 (ntp server) and r5 (ntp client) exchnaging (or supposed to)
ntp
information accross an isdn link. r2 is configured to broadcast ntp
packet
I just need to add something to what i said below; once you configure
clients with the ip address of the ntp server, the server does not need to
broadcast
John Tafasi wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I am expecting that r5 will synchronize to the broadcas
the debug ntp packets command shows packets sent and received with different
modes. What are these modes? can some one explain?
R5-2503#
Mar 6 02:42:08.879: NTP: rcv packet from 10.10.10.1 to 10.10.10.2 on BRI0:
Mar 6 02:42:08.883: leap 0, mode 2, version 3, stratum 8, ppoll 64
Mar 6
What programming languages a network engineer MIGHT need to perform his job?
What do network engineers or adminiastrators do with a programming language?
please elaborate
I am looking to learn a couple of programming language that I may need on
the job and I need you advice.
Thanks
Message
This a nice answer, but do you know any book that specifically deal with
programming for network engineers?
- Original Message -
From: Moffett, Ryan
To: 'John Tafasi' ;
Sent: Monday, November 25, 2002 10:20 AM
Subject: RE: Programming Language for Network Engingeers. [7:58032]
Perl
I have noticed that you have to configure encapsulation on both physical and
dialer interface when configuring dialer profiles. Did any body notice that?
The following configuration on r2 would only work when I add encapsulation
PPP to bri0 configuration, something that is not needed when
You will be tested on Catalyst 3550 not 5000.
Godswill HO wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi group,
I want to get it right the first time. I intend
setting up my CCIE lab at home. I will appreciate if
someone that have taken the lab or preparing for it,
tell
Hi Group,
As the ouput of the show dialer command shows it, my ISDN router r2 has
successfully established an ISDN connection to r5 and the ppp multilink is
working fine. The problem is that i am receiving a cryptic console message
every few seconds and it looks like an error message. Can some
Hi Group,
As the output of the show dialer command shows it, my ISDN router r2 has
successfully established an ISDN connection to r5 and the ppp multilink is
working fine. The problem is that i am receiving a cryptic console message
every few seconds and it looks like an error message. Can some
. In my
opinion a typical topology that justifies configuration of rotary groups or
dialer profiles is that of central site with at least tow bri interfaces and
at least tow remote sites with a bri interface each.
Any comments or advice will be appreciated.
Thanks
John Tafasi
Message Posted
Hi Group,
I have a Virual Console ISDN simulator. It crashes when I send extended
ping traffic through it, and I have to reboot it again. Has any one been
through the same experience? Do I need to upgrade the firmware?
Any Advice is appreciated.
Thanks
John
Message Posted at:
Hi,
I have a cisco 2516 router with an ethernet interface. How can I find out if
this inteface is full duplex or half duplex?
Thanks
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telnet
R5-2503#
Tim Metz wrote in message
news:200211120457.EAA20795;groupstudy.com...
although that should have worked, try clear ip access-list counter as
well I just tested this on a 3662 and both commands worked (IOS 12.1)
Tim
John Tafasi wrote in message
news:20022125.VAA01591
Can some one tell me how to clear access-list counters? I tried to use the
command clear access-list counters but it did not work. Please see the
output of the show command below.
R5-2503#show access-lis abc
Extended IP access list abc
Dynamic test permit ip any any
permit ip any any
Hi,
does any body here want to sell me his Cisco Secure for windows nt?
Thanks
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Do you guys no when the Catalyst 3550 will replace the 5000 series switches
in the lab exam?
Do you any online lab that gives good scenarios related to this new switch?
Thanks
Omer Shommo
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I have a LightStream atm switch is it enough for practicing for the CCIE lab
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more DNS-NAT scenarios later for discussions. So please stay
tune.
Thanks
John Tafasi
Phil wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
John- specifically what is your question ??? I've had to do a lot of
DNS related research these past few months (using Meta
/2362c12b/bc/Questions/NAT-DNS1.doc?bcGtOc8AMR
WqvCn2
I will post more DNS-NAT scenarios later for discussions. So please stay
tune.
Thanks
John Tafasi
Phil wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
John- specifically what is your question ??? I've had to do a lot
Does any body have good resource that explains how NAT on the firewall works
with DNS?
Thanks
John Tafasi
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Hi group
Assume I have the following configuration on my router
interface e0
ip mtu 128
Does the 128 incude the ip header?
Thanks
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not
want to use a Cisco Access server.
Thanks
John Tafasi
Michael Williams wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Brad, is it possible that John is asking about terminating an ISDN PRI
line
somehow so that the NT server *would* handle the incoming calls? When he
modem?
If the answer is yes, how do connect these 24 modems to the T1 line?
Thanks
John Tafasi
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Hi group,
Can some one tell me how many twisted pair there are in a regular telephone
line.
Thanks
John Tafasi
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Ok, I guess I need to explain my question in other words. If you are at the
console of route A, can you upload a config file from router A to Router B?
Thanks
John Tafasi
Nicolas FEVRIER wrote in message
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TFTP does not provide any security
uploads?
Thanks
John Tafasi
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Report misconduct and Nondisclosure violations
Does any one remeber which one of the cisco press book covers Ethernet
repeater classes? Your answer is highly appreciated
Thanks
John Tafasi
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So extension part of a phone numer does not come from telco, is that corect?
Thanks
John Tafasi
VoIP Guy wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
DID is the public address of voice, but you may still need to map over
DID
numbers to your internal extensions. Other
Does it affect IPX tick?
Does it affect OSPF cost? (assuming subinterfaces are used)
Thanks
John Tafasi
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Message Posted at:
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r 7 info depending on app, so
may
really be only looking at layer 4 info)
HTH,
Kent
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
John Tafasi
Sent: Saturday, November 10, 2001 8:50 PM
To: [EMAIL PROTECTED]
Subject: CID: Firewalls [7:25757]
Hi Gr
a good reference
that could explain this design issue?
Thanks
John Tafasi
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Are dial plans configured on the PBX or the router?
Thanks
John Tafasi
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I have CCNP and will finish CCDP in two weeks. I advice you to go with cisco
press books since they are based on the actual course.
John Tafasi
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Mitchell Hershkowitz
Hello,
What voice port is needed to connect a PBX in New York to another PBX in San
Francisco with tie trunk.
Thanks
John Tafasi
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Message Posted at:
http
Hi Group,
I a little confused about osi layers at different types of firewalls work
(proxy, packet filters and stateful firewalls). Can any body help with that.
Thanks
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=25757t=25757
Hi Group,
I a little confused about osi layers at different types of firewalls work
(proxy, packet filters and stateful firewalls). Can any body help with that.
Thanks
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7i=25777t=25777
This happen often when there is duplicate address. Make sure you do not have
a duplicate address. Some times even when you remove the duplicate address,
you still need to restart the interface.
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Zahid Hassan
I like your sense of humour.
Thanks
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Charlie Hartwell wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Just a little answer...
yes
(but not a very big one)
--- John Tafasi wrote
Hi Group,
Can the IBM mainframe computer be connected directly to the token ring?
Thanks
John Tafasi
___
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Hi Group,
Can the IBM mainframe computer be connected directly to the token ring?
Thanks
John Tafasi
___
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Thank you Priscilla. Now thing are quite clear.
From now on I have to look out for authors' mistakes.
John Tafasi
Priscilla Oppenheimer wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
At 09:44 PM 10/31/01, John Tafasi wrote:
Here is an excerpt of what Mike Crane
Hello Group,
Just a little question. Is AS400 an IBM mainframe computer?
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Hi Group,
The CID exam guide by Cisco press mention somthing about configuring
explorer queue depth in a very generic way. Does any body know the
configuration details as related to DLSw+?
Thanks
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Message
size?
Thanks
John Tafasi
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nnection resumes.
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/ip.htm#xtocid223631
9
All the best !!!
Phil
- Original Message -
From: John Tafasi
To:
Sent: Wednesday, October 31, 2001 7:25 PM
Subject: TCP Window size [7:24875]
Hi Group,
I have a little but difficut
which routing protocol are you using?
John Tafasi
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Rishi wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Hi,
I want to
I am using the Cisco CID Exam Certification Guide (cisco press) by Mike
Crane. It is better than the Cisco Internetwork Desing from cisco press. The
book comes with a test engine on a CD. I hope that will help
John Tafasi
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