What is Audio Video Bridging?

Do you notice that there is a new feature in Cisco 3850 and Cisco 3650? The new feature is that the IEEE802.1 Audio Video Bridging standard is supported on select Catalyst 3850 & 3650 platforms. What is the IEEE802.1 Audio…
FlexStack vs. FlexStack-Plus

What Are FlexStack and FlexStack-Plus? FlexStack is the name of the stacking technology used by the Cisco Catalyst 2960-S Series of fixed Ethernet switches. FlexStack is specific to Cisco Catalyst 2960-S switches, and only Cisco Catalyst 2960-S Series Switches use…
Show ip route

To display the current state of the routing table, use the show ip route command in user EXEC or privileged EXEC mode. The show ip route command is a powerful tool to use at this point in your search. You…
OSPFv3 vs. OSPFv2 Routing Protocol

This article outlines few comparisons of OSPFv3 and OSPFv2 Routing Protocol. OSPFv3 has few similarities with that of IPv4 version i.e. OSPFv2 in some ways, like Packet Type, Interface Type, Neighbor Discovery Pattern, LSA flooding & aging. OSPFv3 and v2…
How to Troubleshoot OSPFv3 Frame-Relay?

Open Shortest Path First (OSPFv3) is a link state protocol that supports IPv6 and as well as IPv4. OSPF version 3 differs from OSPF version 2 for IPv4 as some changes have been incorporated to facilitate IPv6. This article demonstrates how…
Conditional Route Origination in OSPF Domain

Cisco device uses “default-information originate” statement to generate a default route in OSPF domain. There are two ways to originate default route by using this command: 1) When you configure “default-information originate”  under OSPF process  without any argument after this statement, OSPF process…
EIGRP on a Cisco ASA Firewall Configuration

The Cisco Adaptive Security Appliance is an integrated security equipment that can perform a variety of functions like firewall, intrusion prevention, VPN, content security, unified communications, and remote access. Among these functions, the ASA can also perform routing using popular…
How to Configure SNMP on Cisco IOS-based Router/Switch?

SNMP is an application-layer protocol that provides a message format for communication between SNMP managers and agents. The SNMP manager is the system used to control and monitors the activities of network hosts using SNMP; this is also called Network Management Station (NMS). This article explains how…
DHCP Option 150 & DHCP Option 66

Here we will provide an understanding for configuring option 150 and to use option 66 for EX Switches. DHCP Option 150 is Cisco proprietary. Option 66 is an IEEE standard. PROBLEM OR GOAL: Solution: For Cisco phones IP addresses can…
Is Cisco Bothering With “Open” EIGRP?

EIGRP is an example of an Interior Gateway Protocol (IGP), which is a network routing protocol that routers use to exchange routing information within an autonomous system (AS). EIGRP takes its place alongside other frequently-encountered IGPs such as Routing Information…
When Do You Use Static Routes?

Every router must have a route to know where to send traffic. We compare this to the post office’s predetermined ways to route your postal mail to its destination. When a router receives a packet from the LAN or the…