Cisco ASA Firewall can be Used as a Router?
The ASA 5505 has 8 ports, but in the base license only 2 vlans can be created. The other 6 ports are simply switch ports that can be placed in the private or outside vlan. If you have an advanced…
Category: Networking
Internet of Everything, SDN Hot Topics in Cisco Partner Summit 2013
Cisco Partner Summit is the event of the year for the global Cisco channel community, and it gets mighty busy and collect most Cisco participants. With Cisco Systems’ Partner Summit 2013 coming up in Boston, what can partners expect to be the…
Cisco Predicts Massive Data Networking Growth by 2017
M2M ramps up, helps contribute to zettabyte era. There are three sure things in life – death, taxes, and the insatiable hunger of people for more and more bandwidth. By 2017, over 1.4 zettabytes of data will be flowing over…
How to Connect to a Cisco Standard Console Port (RJ-45)?
Step1. Connect laptop serial port to Cisco device’s console port. Below are two examples. Figure1a shows laptop with DB-9 serial port connected to Cisco device console port. Connect the RJ-45 to DB-9 adapter (74-0495-01) into the laptop serial port. Connect the RJ-45 roll-over…
Using the Cisco 5500 Series Controller USB Console Port
The USB console port on the Cisco 5500 Series Controllers connects directly to the USB connector of a PC using a USB Type A-to-5-pin mini Type B cable. Note1: The 4-pin mini Type B connector is easily confused with the…
Cisco USB Console Port
Due to the high prices of the USB To Serial cable converter used to connect to the console cable of CISCO devices, CISCO has recently added a new USB console port to its products, that uses a cheap USB cable,…
Cisco Router with Cisco ASA for Internet Access
A classic network scenario for many enterprises is to have a Cisco border router for internet access and a Cisco ASA firewall behind this router for protection of the internal LAN or for building a DMZ network. This scenario is…
Site to Site VPN between ASA Firewall & Cisco Router
Here, in this article we will tell that how to configure Site-to-Site IPSEC VPN between a Cisco IOS Router and ASA Firewall. ASA configuration is not much different from Cisco IOS with regards to IPSEC VPN since the fundamental concepts…
Networks in 2020: More Traffic, Less Energy
The GreenTouch industry consortium says new technologies could cut power consumption by 90 percent. Networks could use far less energy by 2020 even though they’ll be carrying much more traffic, an industry group says. The GreenTouch consortium, formed in 2010 to speed…
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 that you’d be using DHCP relay when there is no local DHCP…
How to Configure site-to-site IPSEC VPN on Cisco ASA using IKEv2?
The scenario of configuring site-to-site VPN between two Cisco Adaptive Security Appliances is often used by companies that have more than one geographical location sharing the same resources, documents, servers, etc. The Cisco ASA is often used as VPN terminator,…
How to Troubleshoot and Verifying OSPF Configuration?
There are several ways you can verify and troubleshoot OSPF configuration and operation, listed below are the necessary command to do this: How to verify OSPF Configuration: Show IP route command Show IP ospf command Show ip ospf database command…
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…
What is Cisco ASA CX Security Module?
The new series of Cisco ASA devices (ASA 5500-X models which include 5512-X, 5515-X, 5525-X, 5545-X, 5555-X and 5585-X) have the capabilities to support Next Generation Firewall Security Services. They support these security services as cloud-based services (such as Cloud…
How to Set up a Cisco ASA 5505 Firewall with a Wireless Router?
This article is written by Lauren Malhoit talking about setting up a Cisco ASA 5505 firewall with a wireless router focuses on things you might encounter when doing the setup at home. The following detailed story is Lauren Malhoit’s experience…
Cisco ASA5510 Vs ASA5512-X or Cisco 5515-X
Cisco released its announcement of EoL and EoS dates for the Cisco ASA 5500 Adaptive Security Appliances, including Cisco ASA 5550, Cisco ASA 5540, Cisco ASA 5520, Cisco ASA 5510 and Cisco ASA 5500 Series Accessories on Mar 18, 2013.…
Configuring a Cisco Wireless Network
In this article it will walks you through how to configure a Cisco wireless network. Modern business wireless networks are complicated, so configuration of the actual network should happen after system design, policy, and security decisions are made. If you…
How to Reset a Cisco Router Back to Factory Defaults?
There are two main methods to return a Cisco router to its original factory defaults. These two methods are described below. First Method This method uses the config-register 0×2102 command in global configuration mode. First check the configuration register on the router…
Use Layer-3 Switch or Router?
In general, you want to use a router when most of the time the device does routing. Likewise, you want to use a switch when when most of the time the device does switching. This statement becomes more apparent when…
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 in most of the multinational companies in India. Most Frequent Interview Questions for…
Secure SNMP in Cisco Switches and Routers
This 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 messages. SNMP is a service used to perform network…
Top 100 Interview Questions for Network Engineers
What interview questions for a network engineer is going to prepare? Maybe we can list a lot of basic questions, such as the administrative distance of EIGRP, eBGP, iBGP, what a 3-way handshake is in TCP, DHCP features, a stateful…
