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Know about Cisco Switch and Router

Difference between enable secret password and enable password? enable secret password encrypts the password automatically using MD5 hash algorithm. enable password doesn't encrypt the password thus stores in clear text. But using service password-encryption command at global config mode encyrpts 'all' the passwords in the Cisco IOS. However enable secret password provides stronger encryption Continue Reading

Configure SSH in Cisco Switch

Step 1: Setup hostname, domain-name and Management IP address (config)# hostname corp-sw-01 (config)# ip domain-name itadminguide.com (config)# interface vlan 101 (config-if)# ip address 172.20.101.1 255.255.255.0   Step 2: Generate RSA key (config)# crypto key generate RSA The name for the keys will be: corp-sw-01.itadminguide.com Choose the size of the key modulus in Continue Reading

Configure IKEv2 Site to Site VPN between Cisco ASAs

We are using the following topology, the most popular one. 2 sites in different geographical location and both have static IP address configured in their ASA firewall. Before we begin, you should also know the advantages of using IKEv2  IKEv2 uses fewer messsages to establish tunnel thus saves bandwidth IKEv2 has built-in mechanism against Continue Reading

Upgrade Cisco WLC and predownload image to AP

  Previously, we upgrade the WLC with the new image and when AP discovers controller with the new image, they all start downloading new image from controller, resets, goes into discovery mode and rejoins the controller. So the whole process would take long period of downtime/maintenance window if you have more APs. In Continue Reading

About Mobility Express deployment

A. General Mobility Express is software function of WLAN controllers that any network component can host. Cisco Aironet 1850 and 1830 series Access Points (802.11ac wave2 capable) host Mobility Express WLAN Controller function. Mobility Express doesn’t require license and supports up to 25 access points per Mobility Express deployment. Mobility Express is ideal Continue Reading

Adding new access point to Cisco Mobility Express Network

Before proceeding, have you read our article on configuring your very first Mobility Express solution in your network Prerequisites of adding new APs to Mobility Express network: All APs in a controller based wireless environment should be in the same software version, so whenever a new AP is added to the Cisco Continue Reading

Configure Cisco 1850 series Mobility Express

About Mobility Express Solution: Mobility Express is software function of WLAN controllers that any network component can host. Cisco Aironet 1850 and 1830 series Access Points (802.11ac wave2 capable) host Mobility Express WLAN Controller function. Mobility Express doesn't require license and supports up to 25 access points per Mobility Express deployment. Mobility Express Continue Reading