o
>>link them up. As for the other storey it is for admin purpose. The
>>
>distance
>
>>is around 150m between the further storey. However it is possible to put a
>>switch/router at the middle for interconnect.
>>
>>Cheers,
>>Jimmy
--
Larry Letterman
Chuck's Long Road wrote:
>CL:my employer has lots of idle sales engineers who would just love to talk
>to you, not to mention sell you something :->
>
So does Mine :)
:Larry Letterman
Cisco...
Message Posted at:
http://www.groupstudy.com/form/read.php?f=
;traveled A LOT, and it took forever to get my employer to cut an expense
>>check. Fortunatelymy current employer pays expenses on time.
>>
>>tm
>>
>>Tim Medley, CCNP+Voice, CCDP, CWNA
>>Sr. Network Architect
>>VoIP Group
>>iReadyWorld
>>
>>
No maybe your not, but when we in the real world build networks, cost,
politics and budgets
come into play as much if not more than the network itself...
Larry Letterman
Cisco Systems
It-Lan Team
Tom Lisa wrote:
>I'm hurt to say the least. I touch on all of those, albeit briefly. Af
Sr. Network Architect
>VoIP Group
>iReadyWorld
>
>
>
>
>-Original Message-
>From: Chuck's Long Road [mailto:[EMAIL PROTECTED]]
>Sent: Wednesday, September 25, 2002 2:33 PM
>To: [EMAIL PROTECTED]
>Subject: Re: CCIE written "revised" [7:53972]
>
or each user in this manner:
>100M / 300 (no of user)
>Assuming full usage.
>
>Let say i have around 3 storey of about 300 users each, The backbone switch
>should be 10x the BW of each floor rite?
>
>Cheers,
>Jimmy
--
Larry Letterman
Network Engineer
Cisco Systems Inc.
Road wrote:
>""Larry Letterman"" wrote in message
>[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
>>Jimmy,
>>
>>The access switch(users) should not be oversubscribed by more than 3 to
>>1in my opinion..
>>the total user ban
wrote in message
>[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
>>That sounds great and makes more sense now! I always like reading your
>>
>posts
>
>>:-)
>>
>>I always confuse which device plugs into which port. I remember it like
>>
>this:
it?
>>>
>>>The routers are configured correctly. The network is designed
>>>correctly - no
>>>overlapping subnets. IP helpering is configured correctly.
>>>
>>>Problem occurs with several users, different NIC's, either
>>>Win2K or
pervisor Engine III would provide the
>layer 3 functions?
>
>Thanks in advance
>
>Stu
--
Larry Letterman
Network Engineer
Cisco Systems Inc.
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=54453&t=54437
--
priority extend cos 0
spanning-tree portfast
Larry Letterman
Network Engineer
Cisco Systems Inc.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Chuck's Long Road
Sent: Saturday, September 28, 2002 9:56 PM
To: [EMAIL PROTECTED]
Subject: Re: help
>The technical issue is that the user is in a different subnet and needs a
>new IP address and default gateway after moving to a new building, location,
>whatever.
>
>Priscilla
>
>>Lots of options to teach the helpdesk how to educate
>>usersbut since it
>>'wo
when you get to the lab, let me know..I am in San Jose and I have a lab
setup...
Cisco Rookie wrote:
>Looking for a study partner for the CCIE R&S Written in Fremont, CA.
--
Larry Letterman
Network Engineer
Cisco Systems Inc.
Message Posted at:
http://www.groupstudy.com/form/rea
well...when I unplug from my building and re-plug in next door
my win2K laptop re-acquires a new network ip from the new subnet..
Is this not normal ? Its been this way ever since I have had a laptop
on campus...
Larry Letterman
Network Engineer
Cisco Systems Inc.
-Original Message
in a duplex mismtach.
Larry Letterman
Cisco Systems
Sim, CT (Chee Tong) wrote:
>Hi.. Some users complaint to me that their application getting
>disconnection. I have fixed the speed and duplex of their switch port at
>both sides and changed the cable but still the same. And the stra
At cisco we run eigrp on the 6509/msfc, setup vlan interfaces and route
between
them. The telephone subnets are just more vlan interfaces that pass dhcp
data to the
phones , just like the data networks.
Larry Letterman
Cisco Systems, IT-LAN
JohnZ wrote:
>Just thinking what are the b
gt;fess up ;->
>
>Chuck
>
>--
>
>www.chuckslongroad.info
>like my web site?
>take the survey!
>
>
>
>""Larry Letterman"" wrote in message
>[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
>
>>thats why we put in wireless in all our bui
our ip phones need for the tftp config.
Larry
JohnZ wrote:
>Larry,
>Do you route between the voice and data vlans or is your voice vlan an
>island. Also for your voice what are you using as a DHCP server, is it a
>cisco device or is it Windows server.
>thx
>""Larry L
I had the same issue with outlook, its real slow when accessing Imap
mail. I set the MTU, adjusted other
things, etc..nothing seems to fix this issue for me. I set up Netscape
6.2x messenger/mail. Installed the
mail client for Imap mail, and it works fine...sometimes it hangs for a
second or tw
you will only see one hop since the router connects both
switches...
Larry Letterman
Network Engineer
Cisco Systems Inc.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
maine dude
Sent: Wednesday, October 09, 2002 7:20 AM
To: [EMAIL PROTECTED
until a port in the vlan is linked the
vlan shows down...
Larry Letterman
Network Engineer
Cisco Systems Inc.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
John Brandis
Sent: Thursday, October 10, 2002 7:26 PM
To: [EMAIL PROTECTED]
Subject
Line card in slot 6 is bad, replace it..the error is related to a
Hardware failure on the board...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Thursday, June 26, 2003 12:07 PM
To: [EMAIL
The aux vlan is for ip phones to use a separate vlan for the phone data.
Try the no or clear in front of it...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Lesly Verdier
Sent: Friday, June 27, 2003 8:17 AM
To: [EMAIL
We installed acl's on all our routers last night, which was the
Workaround..
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Robertson, Douglas
Sent: Friday, July 18, 2003 7:34 AM
To: [EMAIL PROTECTED]
Subject:
Our engineering labs would be the experimental part of your
Statement, they are connected to the backbone through gateways that
Have strict acl's and statics. They can also be blackholed in a few
Seconds time if they are causing any issues.....
Larry Letterman
Cisco Systems
-Ori
Look at the switch counters for the interfaces, they should
Both be counting up bits and frames when the port channel
Is moving data...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Chris
Sent: Friday, July 18, 2003 2
Either get cheap stuff on Ebay...or rent time on a
Rack of gear from one of the many places that do that...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
DeVoe, Charles (PKI)
Sent: Tuesday, July 22, 2003 6:33 AM
To
Look at a 3750-24.
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, July 28, 2003 10:15 AM
To: [EMAIL PROTECTED]
Subject: Gigabit Copper Switch [7:73116]
Can someone recommend a good 8 to 24 port, 1000BASE-T layer
I could recommend a 7603, with a sup-2, and a 6548 10/100/1000
Line card. Buts its kinda overkill if he just needs 24 ports of
10/100/1000
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, July 28, 2003 12:30 PM
To
It hasn't...!!!!!
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, July 28, 2003 4:21 PM
To: [EMAIL PROTECTED]
Subject: Re: Gigabit Copper Switch [7:73116]
""Larry Letterman"" wrote in mess
I'll run the request by my switch unit rep, and get you a few answers..
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, July 29, 2003 8:15 AM
To: [EMAIL PROTECTED]
Subject: RE: Gigabit Copper Switch [7:
Ismail,
The stackwise mentioned below is the way to interconnect
3750's by using a large cable that connects the switches together.
This essentially extends the backplane of the switches and passes
Data at 16GB both ways...
Larry Letterman
Cisco Systems
-Original Message-
Ismail,
The stackwise mentioned below is the way to interconnect
3750's by using a large cable that connects the switches together.
This essentially extends the backplane of the switches and passes
Data at 16GB both ways...
Larry Letterman
Cisco Systems
-Original Message-
To monitor the router, since its up/up if the router is up.
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
DeVoe, Charles (PKI)
Sent: Thursday, July 31, 2003 12:16 PM
To: [EMAIL PROTECTED]
Subject: Loopback Interface
If there are no active ports using vlan 2, the vlan will not show line
up..
That's the way most of our devices work, if you don't connect a router
interface
To something live, you normally get an up/down status as well...
Larry Letterman
Cisco Systems
-Original Message-
Fr
Are your interfaces copper or fiber...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Tuesday, August 05, 2003 3:12 PM
To: [EMAIL PROTECTED]
Subject: RE: Gigabit Ethernet & Collisions [7:73555]
Is it really workin
>From the 2511, you'll need a rolled(blue, green or black)
To attach to the cisco router or the cat switches..(except for the
C5000)
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 14, 2003 4:29 PM
To
Use the rspan feature to span the ports on switches and capture it on a
Sniffer or nam blade in the 6500...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Azhar Teza
Sent: Thursday, August 14, 2003 4:58 PM
To: [EMAIL
I thought it was groundhogs that Kansas had an oversupply of...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Charles Cthulhu Riley
Sent: Friday, August 15, 2003 12:35 PM
To: [EMAIL PROTECTED]
Subject: Re: did you save
Are you interested in doing the ground up, or just the network
Side..I have been involved in both...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Juan Blanco
Sent: Monday, August 18, 2003 2:22 PM
To: [EMAIL PROTECTED
The root switch will always be in forwarding. The downstream switch will
Always be in blocking mode ...thats why the link is up/up...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: Monday, September 01, 2003 8:21 AM
To
The last time we tried that it bounced the switch, especially if you
Running redundant power...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
COULOMBE, TROY
Sent: Tuesday, September 02, 2003 5:57 PM
To: [EMAIL
The last time we tried that it bounced the switch, especially if you
Running redundant power...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
COULOMBE, TROY
Sent: Tuesday, September 02, 2003 5:57 PM
To: [EMAIL
Not necessarily...you can also use point-point frame
With sub-interfaces...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Raj Singh
Sent: Thursday, September 04, 2003 9:00 PM
To: [EMAIL PROTECTED]
Subject: RE: Stuck
Use no keep alive statements and connect the back-back cables..
Then set the interfaces for frame encapsulation..
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Lupi, Guy
Sent: Friday, September 05, 2003 8:49 AM
To
You can use the routers back to back with the v.35 cables..CCO has
A write-up on back-back frame connections..or buy an 8 port serial
Router...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Devraj, Prem
Sent: Monday
Kennedy Clark's book for lan Switching for CCIE...
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Nakul Malik
Sent: Monday, September 08, 2003 11:31 PM
To: [EMAIL PROTECTED]
Subject: Studying Switching [7:75030]
Boson test have a free one..
Larry Letterman
Cisco Systems
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Steven Aiello
Sent: Tuesday, September 09, 2003 10:15 AM
To: [EMAIL PROTECTED]
Subject: IP Subnet calc. [7:75085]
Any one know a good free
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