July 22, 2008 9:02 AM
Posted by: Yasir Irfan
Network Diagrams,
Network Layouts,
Network Troubleshooting,
NetworkingDear friends , I was preparing Network Diagram for our ourganisation, but our I.T Director was never happy with the outcome. I was just following the standards to prepare the network diagram. In order to convince the Director I just mailed him the link which has some really amazing...
July 20, 2008 8:53 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3750-E,
Cisco 525,
Cisco Tips,
Networking,
SwitchesConfiguring individual interfaces with same parameter on a Cisco Switch can be time consuming.
In order to overcome this you can use following commands,
from the global mode enter config t
ITKE#configure t
ITKE(config)#
then issue interface range fastEthernet 0/1 -24
ITKE(config)#interface...
July 17, 2008 9:45 PM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3745,
Cisco 3750-E,
Cisco 6500,
Cisco Learning,
Cisco Tips,
Networking,
Routers,
SwitchesDisplaying configuration of a single interface can be a time-consuming task if your router or a switch has extremely long configuration. In this case, the interface keyword of the show running-config command becomes extremely useful.
For example, the show running-config interface serial 0/1 ...
July 15, 2008 6:36 AM
Posted by: Yasir Irfan
Access List,
Cisco,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3745,
Cisco 3750-E,
Cisco 6500,
Cisco Learning,
Cisco Tips,
Networking,
Routers,
SNMP,
SwitchesThis article focus on the ways how we can secure SNMP access in Cisco Switches and Routers
Simple Network Management Protocol (SNMP) uses the default UDP port 161 for general SNMP messages and UDP port 162 for SNMP trap...
July 13, 2008 6:03 AM
Posted by: Yasir Irfan
Cisco,
Exchange,
Internet Security,
Linux,
Microsoft Windows,
Mobile,
Network Documentation,
Network Documentation Policy,
Network Policies,
Networking,
Policies,
Routers,
Security,
Servers,
SwitchesFinally we are completing this series; here we go with the last topic. It’s Internet Security Policy which is very important to have for any organization. I would welcome your comments which may encourage me to come up with more interesting stuff....
July 12, 2008 8:06 AM
Posted by: Yasir Irfan
Cisco,
Fiber,
Network Documentation,
Network Troubleshooting,
Networking,
Redundency,
Routers,
SFP,
Switches
Dear Friends
Today after a good weekend when I came back to my office, I figured out two our switches has problems with the redundant links. It would have consumed more time if I had no proper...
July 9, 2008 12:03 PM
Posted by: Yasir Irfan
Content Filtering,
Gateway,
Linux,
Network Gateway,
Networking,
Open Source,
Open VPN,
Protocol Control,
Spam Blocker,
Untangle,
VMware
In our organization internet management was a big issue, since we had no budget allocated to Internet management I was worried? How should I control our internet usage? Tried to convince the management to buy content filtering appliances, unfortunately...
July 8, 2008 8:20 AM
Posted by: Yasir Irfan
Cisco,
Microsoft Windows,
Network Documentation Policy,
Network Policies,
Network Security,
Networking,
Policies,
Remote Access Secuirty,
Security,
Server Security,
Servers
Finally we are almost proceeding towards the completion of the Sample I.T Security policy, we have just two more topics to cover. Coming days I will try to complete that, here we are with Remote Access Security
July 7, 2008 10:47 AM
Posted by: Yasir Irfan
Certfied Green,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3750-E,
SwitchesI was just browsing Cisco website and figured out Cisco happens to be the first company to achieve the new certification, Certified Green by Miercom. Just to brief you about Miercom is a leading network product test center and consultancy firm.
The...