Cisco IOS Order of Operation
Here we found information on the order of operation of the different features on an interface and the packet traverses the IOS software from Cisco.com , which may not suitable for every case table. Anyway, check it whether is suitable or not. Inside-to-Outside...
How to Set Up PAT (Port Address Translation) in the Cisco IOS?
PAT (Port Address Translation) is a special kind of Network Address Translation (NAT). It can provide an excellent solution for a company that has multiple systems that need to access the Internet but that has only a few public IP addresses. Let's take...
Cisco ASA 5505 Dual ISP Backup
Many small and medium sized businesses are requiring backup paths for their Internet connections while attempting to keep costs at a minimum. The Cisco ASA 5505 provides a feature called Dual ISP Backup where a company can utilize their main ISP and in...
Best Cisco CCNA Books for Your CCNA Study
Well the first book we would have to recommend would be non-other than the Cisco Press Official CCNA Certification Library which includes the ICND1 and ICND2 Official certification guides. This is a must have for every candidate that is perusing the CCNA...
The New Generation of Cisco Aironet Access Points
Second-Generation 802.11n Access Points Video promises life-like remote communications. Cloud computing promises agility and reduced costs. Tablets and smartphones promise new employee and customer engagement. Overall, technology tantalizes consumers...
A Story of Cisco IP Phone: Can Your Cisco VoIP Phone Spy On You?
Earlier this month, fifth year Columbia grad student Ang Cui demonstrated a vulnerability that allowed a 7900 series Cisco VoIP phone to be turned into a high-tech listening device, capturing any sound near the phone. Cui revealed the exploit he and his...
Tutorial of HSRP Basic Configuration
Let’s say that you have dual edge routers and you would like to provide some redundancy should one fail. You wouldn’t want to have to re-configure every device on your LAN to point to the other GW should the first one fail so this is where HSRP (Hot Standby...
To Know VRRP Basic Configuration
Here we will go over a basic VRRP (Virtual Router Redundancy Protocol) configuration. VRRP is very similar to the other two, HSRP and GLBP. However it is not a Cisco proprietary protocol, it is standards based. Also, it, unlike GLBP , does not provide...
GLBP & GLBP Basic Configuration
What is GLBP? (GLBP) is supported by Cisco 1700, 2600, 3620, 3631, 3640, 3660, 3725, 3745, 7100, 7200, 7400, 7500 series. GLBP is a Cisco proprietary protocol that attempts to overcome the limitations of existing redundant router protocols (HSRP, VRRP...
Cisco Catalyst 3560 vs. Cisco 3550
Here is a 3560 and 3550 comparison for anyone interested in the differences between the two switches. Catalyst 3560 Only Features [12.2(25) SEE2] Access Switch Device Manager (SDM) Template IEEE 802.3af Power over Ethernet IGMP Throttling IPv6 (Internet...