IT Certification Forum Community Blog List

Troubleshooter1's Blog - GNS3 save feature.

Fri, 18 May 2012 09:25:00 +0000

Hello All

How are you?

I make topology on GNS3 but i face the problem that they are not saved, given that i determine the name of the file and i tick the SAVE NVRAMS AND OTHER DISK FILES and the EXPERT ROUTER CONFIGURATION FILES, at the start of the GNS3. And i save the file from file then save.

When i try to refer to those topology next times by...

All About Linux - Installing Nagios on RHEL 5

Tue, 20 Mar 2012 20:36:00 +0000

Hey Fellas,

Here is and add-on Tutorial On How-To add hosts to nagios server.

To start , In the remote host add nagios user :

/usr/sbin/useradd nagios passwd nagios

We need two packages .

Nagios-plugin and Nrpe (download the latst version from the nagios web site)

Compile and install the plugins....

vivektech2003's Blog - New Pattern for CCIE R&S Written

Mon, 19 Mar 2012 15:39:00 +0000

Does anyone has information about New Pattern for CCIE R&S Written?
Please share

All About Linux - Installing Nginx on Centos 6

Fri, 02 Mar 2012 21:05:00 +0000

INSTALLING NGINX A PERFECT GUIDE

#What is иgiиx?
An HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoev

1. Preliminary Note
In this tutorial I use the hostname as thornet.ru with the IP...

mtariqali's Blog - eigrp routing issues

Mon, 20 Feb 2012 06:04:00 +0000

Can any1 help me regarding missing routes in eigrp. currently i am running the eigrp between branch and HO. issue is that some time all branches route at HO will disappear from routing table but branches still getting the routes of HO. then i clear all eigrp neighbours at HO then again branches routes appear in routing table. i am unable to understand the...

ciscoabby's Blog - K6 Netflow

Sun, 22 Jan 2012 11:06:00 +0000

Can anyone help with my doubts for the below solution..

4.3 IPv6 Netflow
? Configure IPv6 Netflow on R5 F0/0.
? Source should be VLAN 55.
? Export all data to 100.100.100.100
? Use UDP port 9992 for exporting.
? Netflow export data should be summarized.

R5
ipv6 flow-aggregation cache protocol-port
export version 9
export destination 100.100.100.100...

CCIE Blog - My first blog post

Fri, 20 Jan 2012 06:47:00 +0000

Testing

Testing what in particular ? Regards. Harry817

asasel's Blog - CCIE RnS Lab Strategies

Tue, 06 Dec 2011 16:46:46 +0000

CCIE RnS

Looking at the many CCIE vendors out there I find the netmasterclass method
of approaching the lab most closely resembles how I see it.

phase 0
Check your ip addressing and netmask and correct any error.

phase 1
Next check/build your layer 2 such to ensure that devices which must have direct
connectivity can indeed ping each...

asasel's Blog - EIGRP

Sun, 04 Dec 2011 12:02:18 +0000

EIGRP is not as peculiar as RIP although it is a hybrid protocol making it somewhat peculiar.

EIGRP like RIP does auto summarization by default, albeit only at the classful boundaries and not at each different prefix/netmask like RIP does.
The updates like with RIP version 2 are sent out to a broadcast address with the difference that EIGRP uses its own...

asasel's Blog - OSPF's Logical Framework

Sun, 04 Dec 2011 09:28:55 +0000

This post is for those who have already read about OSPF and want to read further about it. If you are completely new to OSPF it might be better to read an introductory text first before reading this post.

The more logic you see in something the less you have to memorize.

OSPF must synchronize its database at each new adjacency (interface pairs), so the...