December 2, 2008 7:30 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 2960,
Cisco 3560,
Cisco 3560-E,
Cisco 3745,
Cisco 3750-E,
Cisco 6500,
Cisco 6500 Series Catalyst Switch,
Cisco 6503,
Cisco Catalyst 6503-E Switch,
Cisco Catalyst 6506-E Switch,
Cisco Catalyst 6509-E Switch,
Cisco Catalyst 6509-V-E Switch,
Cisco Catalyst 6513 Switch,
Cisco IOS,
Cisco Learning,
Cisco Tips,
Network Troubleshooting,
Show commands,
Sniifer,
SPAN,
Switches,
Switching,
WiresharkIt’s quite important for Network Engineers and an essential network troubleshooting technique to utilize the ability of Cisco Catalyst Switches
November 20, 2008 7:54 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2960,
Cisco 3560,
Cisco 3745,
Cisco 6500,
Cisco 6500 Series Catalyst Switch,
Cisco 6503,
Cisco Catalyst 6503-E Switch,
Cisco Catalyst 6506-E Switch,
Cisco Catalyst 6509-E Switch,
Cisco Catalyst 6509-V-E Switch,
Cisco Catalyst 6513 Switch,
Cisco Systems,
Cisco Tips,
DHCP,
DHCP Snooping,
Network Security,
Security,
Switches,
SwitchingDynamic Host Configuration Protocol (DHCP) Snooping is a security feature which filters untrusted DHCP messages, this security feature can protects the devices on the network from associating with an unauthorized DHCP server. When the Dynamic Host Configuration Protocol...
October 12, 2008 5:17 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3745,
Cisco 6500,
Cisco IOS,
Cisco Learning,
Cisco Tips,
IOS commands,
RFC3410,
Security,
SNMP,
SNMP Version 3,
SNMPv3,
SwitchesConfiguring SNMP Version 3 in a
September 6, 2008 10:40 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3745,
Cisco 6500,
Cisco Tips,
IOS commands,
Switches,
Telnet
Imagine if you are accesing the remote router and need to figure out the serial number for a router or the Circuit IDs of the serial interface, then you may start looking your docmented data or call the remote technician to help you out in figuring these details. The best and easy way to get...
August 20, 2008 6:22 AM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3745,
Cisco 6500,
IOS commands,
Router Troubleshooting,
Service timestamp,
Switches,
Syslog
Logging is a quite essential part of a secure network configuration. Logging not only helps the Network Administrators to identify the issue while troubleshooting, also enables them to react to intrusion attempts or Denial-of –Service attacks....
August 2, 2008 6:43 AM
Posted by: Yasir Irfan
ASA/PIX,
Cisco,
Cisco 2950,
Cisco 3560,
Cisco 3560-E,
Cisco 3745,
Cisco 3750-E,
Cisco 525,
Cisco 6500,
Cisco Tips,
IOS commands,
PIX 525,
Router Troubleshooting,
Routers,
Show commands,
Switches
Some of the widely used commands in Cisco routers are just simple unavoidable, among the most commonly used commands in a Cisco Routers are “show” commands. These commands are essential to Network Administrators. Here is a list of those commands. I...
July 30, 2008 12:59 PM
Posted by: Yasir Irfan
Cisco,
Cisco 2950,
Cisco 3745,
Cisco 6500,
Cisco Tips,
Configuration Management,
Network Inventory,
Networking,
Open Source,
Routers,
SNMP,
Switches,
ZipTie
We all know much about Kiwi Syslog Software. For many years I am using Kiwi Cat tools for configuration management and automate many of daily tasks. Kiwi Cat tool really helped me to perform many tasks like configuration backup, telnet, SSH and much more....
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...
