I cant Access web server from our LAN
Dear Experts, we have a 2851 router which interconnect our local network to public network. we recieve our internet on interface e0/1 and e0/0 restricted to our lan as below configs int e0/0 192.168.10.1 255.255.255.0 ip nat inside int e0/1 X.X.X.226 255.255.255.224 ip nat outside ! web server ip nat inside source static x.x.x.245 192.168.10.9 [...]

Answer Question   |  June 22, 2012  8:47 PM
Cisco 2851, Cisco IOS

“Insufficient memory”
Dear Friends, Could you please help me? I have a router cisco 1751. It’s flash is about 16 MBSize.   I installed it’s IOS of size 11Mb. in it’s flash. After installstion when I reboot this, It is not becoming Up and goes under Rommon Mode.   It is detected IOS and booted,when booting process [...]

Answer Question   |  February 28, 2012  7:21 AM
Cisco 1751, Cisco IOS

How to view the data of Cisco router’s memory
I want to view the data of the memory,for example,between 0×60001000-0×60002000,but i don’t find the command that can solve it.Please help me.

Answer Question   |  October 31, 2011  8:53 AM
Cisco 1841, Cisco IOS, Cisco Routers

Cisco Firewall AS5510 and Cisco 2600 series
Is  the configuration commands for Cisco Firewall AS5510 are the same for other routers like cisco 2600 series, can I get to know some examples of the configuration for the AS5510, I already checked the Cisco web site for the aobve firewall but not much help. thanks.

Answer Question   |  June 2, 2011  11:01 PM
Cisco 2600, Cisco certifications, Cisco Firewall, Cisco IOS, Firewalls

Cisco show command script
Hello. I want to implement a simple and easy to use script that would allow me to do a sequence of Cisco IOS commands. Can anyone help me? For example, if I want to sent a customer a script with the following commands but in a script so that they cannot change it. Thank you, [...]

Answer Question   |  March 28, 2011  12:51 PM
Cisco, Cisco IOS, Cisco IOS Commands, Scripting, Scripts

Uploading IOS on Cisco 2110 series router
how to upload ios in cisco 2110 series router

Answer Question   |  March 8, 2011  3:06 PM
CCNA, Cisco IOS, Cisco Routers, IOS

CISCO vty auto command
A user cannot use show running-config and config terminal using his default permission to my company router after he connects our edge router via telnet using port 23. I have to fix this problem without changing his privilege level. And I have to also solve this issue by using only a single command. any experts [...]

Answer Question   |  August 2, 2010  4:41 PM
Cisco IOS, Cisco IOS Commands, Cisco Routers, Routers, Telnet

Installing an IOS on a Cisco router or switch
I would like to know the process of installing an IOS on a cisco router or switch. What are the steps and commands for installing the IOS.

Answer Question   |  July 9, 2010  6:33 PM
Cisco IOS, Cisco router configuration, IOS, Routers, Switches

What happened if I set ip unnumbered fa0/0 in my serial interface and later my fa0/0 went down?
My question is simple. what happened if I set ip unnumbered fa0/0 in my serial interface and later my fa0/0 goes down. if I establish ospf in that network which interface will proces the hello packet and which interface via send the hello packet ?. load balance ?

Answer Question   |  July 29, 2010  2:30 AM
CCIE, Cisco IOS, Cisco IOS Commands, OSPF

Licensing problems when virtualizing servers?
I’ve talked to several people who’ve run into licensing restrictions when virtualizing their environments, and was wondering if this is a common headache? I know Cisco’s changed some recent policies which have affected testing platforms, but was wondering if anyone else has run into problems, either with keys or just keeping in line with their [...]

Answer Question   |  May 19, 2010  4:18 PM
Cisco IOS, Cisco Licensing, Virtualization, Virtualization in 2010, VMware, VMWare License

Cisco’s IOS emulator crackdown: What are your thoughts?
The latest buzz around Cisco is that its latest iteration of its emulator OS, IOS 15, will help the company crack down on the use of its IOS emulator without plugging in a product key — something many home network pros and enterprise network managers have relied on until now, especially when needing to map [...]

Answer Question   |  February 8, 2010  9:00 PM
Cisco, Cisco IOS, Cisco IOS Emulator, Cisco Routers, IOS, IOS 15, Network hardware, Open IT Forum

networking:question on summarization
what are the steps to get the summary address and the summary mask of a group of network addresses in a cisco router?.

Answer Question   |  December 29, 2009  8:51 AM
Cisco IOS, Cisco Routers

HSRP in cisco
I have L3 core switches, I want to configure HSRP for vlan 30, Please verify my configuration. My active router should be core 3 switch. Core swith 1 interface Vlan30  description ***Wireless Network Vlan***  ip address 192.168.21.252 255.255.254.0  no ip redirects  no ip unreachables  no ip proxy-arp  standby 30 ip 192.168.21.253  standby 30 priority 110 [...]

Answer Question   |  August 26, 2009  4:24 AM
Cisco IOS, Cisco IOS Commands, HSRP, L3 Switches, VLAN

Networking
show ip arp | in [em]ip address[/em] This command is used to find mac address and Switch port of ip address, but how can we find IP Address from Mac Address in Cisco Switches ?

Answer Question   |  August 25, 2009  12:04 PM
Cisco IOS, Cisco switches

Any instructions for upgrading IOS on a Cisco 6506E series switch?
simple upgrading IOS on a cisco 6506E series switch instructions

Answer Question   |  August 23, 2009  7:07 PM
Cisco 6500, Cisco IOS, Cisco IOS upgrade

Problem with Cisco router
I have a old 3660 cisco router. IOS is 11.3 it has got a 8 port WAN card. The problem is, with live media the port goes up but line protocol remains down. the cables, connectors and ok I have checked those with other router and they work fine with other routers.  So any idea………… thanks in [...]

Answer Question   |  October 31, 2011  1:33 PM
Cisco 3660, Cisco IOS, Router Troubleshooting

To copy IOS of PIX version 6.3 from flash to tftp?
Hello All, I want to copy ios of pix version 6.3 from flash to tftp……….. Can someone give me the exact command for this? Thanks Rahul

Answer Question   |  August 11, 2009  9:53 PM
Cisco IOS, Cisco PIX, TFTP

Free Chapter – Cisco IOS XR Fundamentals
Another free chapter download is available on the IT Bookworm Blog. Written by: Mobeen Tahir, Mark Ghattas, Dawit Birhanu, Syed Natif Nawaz Book: Cisco IOS XR Fundamentals Overview: “Cisco IOS XR Fundamentals is a systematic, authoritative guide to configuring routers with Cisco IOS XR, the next-generation flagship Cisco Internet operating system. In this book, a [...]

Answer Question   |  July 2, 2009  12:35 PM
Cisco IOS, Cisco Press, Cisco Routers, Dawit Birhanu, Free Chapters, Mark Ghattas, Mobeen Tahir, Router configuration, Routers, Syed Natif Nawaz

Cisco Catalyst WS-C6506 – link termination question
I need Help for one of our solution on our site. Senario We have a simple campus network on our site where we have Core, dist.and access Switches. Two Core Switches that are C6506 having redundancy. CAT6507 Chasis WS-C6506 SUP WS-X6K-SUP1A-2GE MSFC-2 WS-F6K-MSFC2 1000BaseX Ethernet WS-X6416-GBIC We have CAT OS as Well as IOS Running. [...]

Answer Question   |  June 15, 2009  7:23 AM
Catalyst Operating System, CatOS, Cisco C6506, Cisco Catalyst WS-C6506, Cisco IOS, Cisco switch configuration, Cisco switches, Switch configuration, Switches

Cisco IOS image support for BGP
Which Cisco IOS image support BGP configuration?

Answer Question   |  May 18, 2009  7:01 PM
BGP, Border Gateway Protocol, Cisco, Cisco IOS