Cisco ASA with Firepower Services, Setup Guide-Part3
Set up your ASA easily. When you finish your former big two steps “Connecting PC to ASA” and “Installing ASDM”. Follow the third step “Configuring ASA”. Configuring ASA 1. Launching…
Tags: DHCP
Cisco ASA with Firepower Services, Setup Guide-Part2
In this article, let’s continue to set up your ASA with Firepower Services. In the last part we shared how to connect PC to ASA. In this part we will…
Understanding DHCP Snooping Configuration
We shared some topics about the DHCP before, such as the Five Things You Should Know About DHCP Snooping, How to Configure DHCP Snooping, How to Configure DHCP Snooping in…
How to Start up a Cisco IP Phone?
How to start up a Cisco IP Phone? It’s not too difficult to handle it. In the following part we will share the main steps and tips while starting up…
Cisco IOS Updates Fix Eight Denial of Service Vulnerabilities
This week Cisco has patched 8 vulnerabilities that could impact the availability of devices using various versions of its IOS software. IOS is a multitasking operating system that combines networking…
Q&A: How to Troubleshoot ASA, PIX, and FWSM?
In this article we collected the answers for the questions on the Topic-Troubleshooting ASA, PIX, and FWSM. Note: It was provided by Kureli Sankar, which is available in the Ask The Expert section…
Two Smart Ways to Configure Cisco IP Phones
Before you install a Cisco Unified IP phone, you must decide how to configure the phone in your network. Then you can install the phone and verify its functionality. There are two…
DHCP Relay on the Nexus7000/NXOS Vs. IP Helper on the 6500/IoS
IP helper (now DHCP relay) works differently on the Nexus 7000 than on the Cisco 6500. The N7K imposes a VACL to filter local DHCP broadcast traffic, under the assumption…
Most Frequent Interview Questions for Network Engineers
In the last article we listed 100 interview questions for network engineers. May be some of them are not often asked. Again, here we gathered most frequently asked interview questions for network engineers…
DHCP Option 150 & DHCP Option 66
What is the DHCP? Watch the introduction: Here we will provide an understanding for configuring option 150 and to use option 66 for EX Switches. DHCP Option 150 is Cisco…
FAQ: What Network Users Care about IPv6?
This article contains Frequently Asked Questions (FAQ’s) about Internet Protocol Version 6(IPv6). Q. How to limit clients getting an IPv6 address without using a DHCP server ? A. Use the command“ipv6nd…
Five Things You Should Know About DHCP Snooping
DHCP snooping allows the switch to monitor and control DHCP messages received from untrusted devices connected to the switch. When DHCP snooping is enabled, the system builds and maintains a…
Cisco CCNP: How to Configure IP Source Guard?
IP Source Guard is a per-interface traffic filter that permits IP traffic only when the IP address and MAC address of each packet matches one of two sources of IP…
How to Configure DHCP Snooping in a Cisco Catalyst Switch?
Here we go, with the configuration of DHCP snooping on a Cisco Switch. This feature protects the network by allowing the Cisco Switches to accept DHCP response message only from…
How to Configure DHCP Snooping?
DHCP snooping is a security feature intended to prevent rogue DHCP server from sending malicious DHCP replies. When DHCP snooping is enabled, the switch intercept all the DHCP requests, and…
How to Configure DHCP on a Cisco Router or Cisco Switch?
If you want to configure Dynamic Host Configuration Protocol (DHCP) on PC clients, you currently have multiple options to choose for your DHCP server. One of the more common ways…
DHCP & DHCP Operation
DHCP (Dynamic Host Configuration Protocol) works in a client/server mode. DHCP enables clients on an IP network to obtain or lease IP address or configuration from a DHCP server. This…
Cisco Catalyst 4500 Switch, How to Configure a DHCP Relay on It?
Dynamic Host Configuration Protocol (DHCP) is a protocol for assigning dynamic IP addresses to hosts on a local network. DHCP also delivers TCP/IP configuration parameters such as the subnet mask…
