It is essential to analyze the logs to troubleshoot any issue. The traffic passing through the firewall can be allowed or blocked as defined in the rules. Engineers first look into the logs as the first point of troubleshooting to get an over…

Virtual Domains(VDOMs) are used to divide a single physical FortiGate firewall into two or more virtual instances which function as independent firewalls.Creating VDOMs does not cause the firewall to reboot, but it will log you out of the dev…

Network Engineers often check the routing table during troubleshooting.In this article we will discuss how to check the routing table using CLI. To view RIB FG-FW-01 # get router info routing-table all …

If you're using vQFX in GNS3 or EVE-NG, you might have come across the below error. error: the l2-learning subsystem is not running , for example the below operational commands will give you the specific error. …

When you publish a post, the URL will be automatically generated by blogger. As a best practice it's good to include the keywords of each post in the URL. If you write a post with a lengthy title, then the blogger will generate a lengthy …

In this article let's see how we can add L3 and L7 firewall rules on Cisco Meraki security appliance MX. Firewall rules are processed in a top down method, in which L3 rules being processed first, followed by L7 rules. First select the Netw…

If you're using vQFX on any simulating tools, you might have noted that it comes up with a pre-configuration, that may not be required to run or test your labs. It gives a total messed up view when you check the configurations on the swit…

Instead of going into command prompt and typing the commands , you can find out the Wi-Fi password to which you're currently connected to very easily. But you can also use windows command prompt to retrieve the password as well. …

When you're writing a post on blogger with multiple images added to it , then the blogger will randomly pick one image as the thumbnail for that post. But what if you need to add a custom thumbnail. Is it possible? Yes, it is possible to add a …

In this article, lets understand how to configure Interface range on Juniper switch. Interface range can be very useful in a scenario where same configurations have to be applied to a range of ports. Here instead of going into each and every…

Favicon icon is visible on the left side of a visited Website's tab on your Browser. On Blogger the default Favicon icon looks like the below. This can be changed with a custom logo of your choice to give more professional look to …

Topology: In this example, let's configure the interface xe-0/0/10 to receive an IP from the DHCP Server which is the Home Router in this case. To add the Home Router to the topology, right click on the Lab page and select Network Select the typ…

It is possible to hide the channels you have subscribed to and make it visible to yourself only. This setting is set to private by default. Private: No other users can see what channels you have subscribed to. Public: Other Users can see what channe…

Topology: PC: 172.17.10.1/24 Fa0/0: 172.17.10.10/24 Fa0/1: 192.168.10.10/24 Server: 192.168.10.1/24 RADIUS stands for Remote Authentication Dial-In User Service , it is a Client / Server Networking protocol that provides authentication, authorizatio…

Cisco Meraki has made it easier for the Engineers to carry out troubleshooting tasks with the addition of built-in Remote troubleshooting Tools section with Administrative tasks that can be performed without any third party solutions. This is availa…

This article provides basic understanding on how VLANs are configured on MX Security appliances. VLANs are disabled by default on Meraki Security appliance. When VLANs are enabled on an MX, previously configured DHCP settings while VLANs were disabl…

In this article we will understand how to find the password of your WiFi you are currently connected to and all other previously connected WiFi profiles. In case if you forget your home WiFi password but you have previously connected to it, this wil…

Topology: The purpose of this article is to provide basic understanding about the OSPF configuration on a Juniper switch. In this Example 2 VLANs are used, VLAN 10 and VLAN 20.  root@JNP-sw-01> show interfaces irb.10 terse  Interface         Adm…

This article briefs the set of commands used to disable and enable interfaces on juniper switch, which is equivalent to shutdown and no shutdown used in Cisco products. To disable an Interface use the below command in the configuration mode and c…

The Windows command prompt can be opened as Administrator all the time instead of right clicking and selecting the option Run as Administrator every time you need to do so with this easy method. Click on the windows icon on the taskbar and type cmd…

show interfaces terse Displays interface summary. root@JN-SW-01> show interfaces terse Interface               Admin Link Proto    Local                 Remote xe-0/0/5                up    up xe-0/0/5.0              up    up   eth-switch show sy…

Native VLAN is used to carry untagged traffic on a 802.1Q trunk port.This makes it possible for your VLAN to support legacy devices or devices that don't tag their traffic like some wireless access points. When a Switch sees untagged traffic on …