Cisco

Cisco IP phone - Can't receive external calls

Using a Cisco 7961 IP phone and Call manager. I have loads of these working all over the world, yet I have one that receives and makes internal calls without issues, also makes external calls, but can't receive external calls. Everything looks like it is set up as all the others in this location....

routing confusion

I am confusing about routing I know cisco routers are capable of routing different NWs if it is WAN or LAN .Also there are lot of other routers available in the market such as dlink 525 .netgear,astaro,pfsense,linksys sohorouters .What ai sthe differenet between the routing mechanism they use? Also...

change my career to networking or graphics

hi everyone,       I'm looking to change my career to networking or graphics. i don't have any collage education just high school certificates. i took networking course 7years ago but didn't finish and graphics is my hobby i like animation. i would like to know if its worth doing CCNA or...

How should i segment this?

Hi, I have been given a project which basically entails segmenting hotel rooms in a hotel, on the network. The hotel is not built yet so im going to say for arguments sake there are 8 rooms on every floor, and there are 7 floors. Inside the rooms are various devices with Ethernet connectivity (a...

Cisco 1548U: A managable switch?

I have a aCsico 1548U.  Unfortunately for a project that I am working on right now we need a managable switch, and there is a huge lack of funds.  Is it possible to make the 1548U into a managable switch so that I can achieve my goal? Software/Hardware used: Cisco 1548U

Route map Cisco

I have a cisco router 1841. It has 2 outside adsl interfaces, and an inside interface connected to local lan. I want to use the 1st adsl interface for http, ftp and the 2nd adsl interface for the rest of the internet traffic. Below is a sample of my configuration: interface FastEthernet0/0  ip...

What is the difference between a network module and interface card

Hi i want to know what is the difference between use a Network Module 1E1 or use ans WIC 1E1.   Thanks Software/Hardware used: cisco 2800

How can I prepare for the CCNA exam in addition to my college course?

How would you recommend that I prepare for my CCNA (Cisco Certified Network Associate) exam? I have been taking courses through my college, DeVry University, but I want to be even more prepared. The courses run us through various labs and provide us with additional material for reading. I have read...

Is an MCSE or a CCNP degree more valuable to an employer?

With the economy the way it is, is it better to have a CCNP (Cisco Certified Network Professional) or MCSE (Microsoft Certified Systems Engineer) certificate? I don't have time to complete both courses and I'm urgently seeking employment.

CLI config confirmation

Hi, does anyone know if d-link is manufactured by cisco? There is this client that asked me on how to create multiple ip adresses on a single interface of cisco router, but the switch connected to it was a d-link switch. Of course, the solution was intervlan routing but I haven't seen a d-link CLI...

commands for nortel ARN router against cisco 1700 series router

as i was using cisco router and now i want to installed nortel ARN router in place of that. I have configuration backup of cisco router,so i only want Nortel ARN router commands to configure against cisco commands Software/Hardware used: cisco,nortel

BTS 10200 command definitions

Are there definitions to the commands on the Cisco BTS 10200 switch whereby I can understand what each command input means

Networking cisco access point

i am working on cisco access point 1242 i had default username cisco and password Cisco but when i deleted and changed a new user name and password xxxx what happen, i can telnet through cli mode with new username and password but when i try to take http access the access point take old password...

QOS when receive traffic is more than transmit

My current bandwidth is 10M. The traffic pattern is usually 2Mb transmit and 8 Mb receive from the ISP. I want to guarantee bandwidth for the WEBEX traffic which i can do for transmit traffic but my problem is that the receive traffic is whats killing me. Is there any way to make sure that my webex...

Two lines to one cisco-SEP

What happens if there are two lines as extension mobility (user device profiles) connected/configured to one SEP where one of them is restricted? Does the other line inherit the restricted lines "configuration"?

No linestate on several CCM-lines that belongs to Cisco-SEP

1) Can a SEP (Cisco phone) have several line connections? 2) If yes, what happens with the linestate of the lines if one line is restricted? 3) What does the below log mean? I want a linestate on ext 5228 but gets that line 5229 is restricted? Both lines is connected to same SEP. 2009-08-20...

Cisco 2811 ccme config

Hi guys, I have two Cisco 2811 routers. Each of them has 2 Fast Ethernet and 4 7960 ip phone. i need to set it up for lab purposes. how do i configure this?

.11n Experiences with various wireless AP vendors?

I'm interested as to IT pros experiences with various wireless AP vendors: What equipment have you found to work well with the .11n standard, and what your experience has been like working with vendors. Were most willing to allow you to try-before-you buy for a major deployment?

Cisco Access Control Lists - Recommended default template?

Hey guys! I was hoping to find a default access control list template that you may use to block off, reserved addresses, known worms, viruses, vulnerabilities when you are setting up a new router? Trying to think of every possible threat is impossible but a good recommended starting point for...

Cisco Gatekeepers?

Does anyone have any good basic instructions on Cisco Gatekeepers?