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Inter VLAN Routing is one of the important lessons of Cisco CCNA Certification. Especially Inter VLAN Routing Router on Stick topology is one of the well-known topologies for this configuration. In this lesson, we will focus on Cisco Inter VLAN Routing Configuration with a Router on Stick Topology on GNS3.Our main aim is to provide routing between VLANs. In other words, we will provide pinging between PCs that are in different VLANs by the help of a layer 3 device, Router.For our Inter VLAN Configuration Example, we will use the below Router on Stick topology on GNS3.You can download this lab on GNS3 Cisco Labs pageIn this topology, we will create sub interfaces on Router and we will also assign dot1q encapsulation on them. We will also configure the switch with VLANs, we will assign access and trunk ports on it.In this topology, our sub interfaces and their ip addresses will be:Gi0/0.100 10.0.0.1/24Gi0/0.200 20.0.0.1/24And PC ip addresses will be:PC 1 10.0.0.2/24PC 2 20.0.0.2/24Here, the ip addresses of the sub interface and the PC connected to it will be in the same network.Now, let’s go to the configuration and learn how to configure VLAN Routing with Router on stick Topology with GNS3.You can also view Packet Tracer Inter VLAN Routing ExampleInter VLAN Routing Cisco Router ConfigurationOn the router, we will open the interface with “no shutdown” command firstly. Because by default, as you know the router ports are shutdown. Here, our port is Gigabit ethernet 0/0.R1# configure terminalR1(config)# interface Gi0/0R1(config-if)# no shutdownThen, we will create sub interfaces under this Gigabit ethernet 0/0 interface. Our sub interfaces will be Gi0/0.100 and Gi0/0.200. We will set the encapsulation type as dot1.q with VLAN identifier under these sub interfaces. VLAN identifier will show that this sub interfaces is belong to that VLAN. We will

Load_entry_point('gns3-gui===2.1.22dev1-e2aeaf0a', 'gui_scripts', 'gns3')() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 490, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2859, in load_entry_point return ep.load() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2450, in load return self.resolve() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2456, in resolve module = __import__(self.module_name, fromlist=['__name__'], level=0) File "/usr/lib/python3.8/site-packages/gns3/main.py", line 55, in from gns3.main_window import MainWindow File "/usr/lib/python3.8/site-packages/gns3/main_window.py", line 27, in from .local_config import LocalConfig File "/usr/lib/python3.8/site-packages/gns3/local_config.py", line 29, in from .controller import Controller File "/usr/lib/python3.8/site-packages/gns3/controller.py", line 25, in from .settings import LOCAL_SERVER_SETTINGS File "/usr/lib/python3.8/site-packages/gns3/settings.py", line 164, in distro = platform.linux_distribution()[0]AttributeError: module 'platform' has no attribute 'linux_distribution'">Traceback (most recent call last): File "/usr/bin/gns3", line 11, in load_entry_point('gns3-gui===2.1.22dev1-e2aeaf0a', 'gui_scripts', 'gns3')() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 490, in load_entry_point return get_distribution(dist).load_entry_point(group, name) File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2859, in load_entry_point return ep.load() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2450, in load return self.resolve() File "/usr/lib/python3.8/site-packages/pkg_resources/__init__.py", line 2456, in resolve module = __import__(self.module_name, fromlist=['__name__'], level=0) File "/usr/lib/python3.8/site-packages/gns3/main.py", line 55, in from gns3.main_window import MainWindow File "/usr/lib/python3.8/site-packages/gns3/main_window.py", line 27, in from .local_config import LocalConfig File "/usr/lib/python3.8/site-packages/gns3/local_config.py", line 29, in from .controller import Controller File "/usr/lib/python3.8/site-packages/gns3/controller.py", line 25, in from .settings import LOCAL_SERVER_SETTINGS File "/usr/lib/python3.8/site-packages/gns3/settings.py", line 164, in distro = platform.linux_distribution()[0]AttributeError: module 'platform' has no attribute 'linux_distribution'

Better than GNS3 or EVE-NG? In many ways it is. But, all platforms have advantages and disadvantages. If you are studying for your ccie, you many prefer gns3 or eve-ng as they don’t limit the number of devices in a topology like virl does. VIRL-PE limits you to 20 devices – so your topologies cannot be massive like they could with gns3 or eve ng. However, if you are studying for your ccna or ccnp, VIRL may be more than enough.Cisco have made massive changes to their certification programs and it is fantastic to see the new version of VIRL in action.Menu: Overview: 0:01 Documentation: 0:56 Download CML-P: 1:12 Download VMware Workstation Player: 5:38 Install VMware Player: 6:13 Import CML-P into VMware Player: 8:05 Start CML-P: 11:23 CML Initial Setup Wizard: 11:48 Login to CL: 15:04 Login to Web UI: 15:25 License CML: 15:52 Create and test Cisco topology: 16:54Videos mentioned: VIRL 1 installation: Special Offers: ====================== Cisco Press: Up to 50% discount Save every day on Cisco Press learning products! Use discount code BOMBAL during checkout to save 35% on print books (plus free shipping in the U.S.), 45% on eBooks, and 50% on video courses and simulator software. Offer expires December 31, 2020. Shop now. Link: bit.ly/ciscopress50Boson software: 15% discount Link: bit.ly/boson15 Code: DBAF15PGNS3 Academy: CCNA ($10): bit.ly/gns3ccna10 Wireshark ($10): bit.ly/gns3wiresharkDavidBombal.com CCNA ($10): bit.ly/ccnafor10 Wireshark ($9): bit.ly/wireshark9====================== Free and trial Network Software: ====================== Engineers Toolset: Solar-PuTTY: SolarWinds NPM: CML-E Cisco Modeling Labs Personal VIRL VIRL 2 EVE-NG GNS3 Packet Tracer CCNA Cisco Devnet AssociateCCNP Enterprise CCNP Security CCNP Data Center CCNP Service Provider CCNP Collaboration Cisco Certified Devnet Professional Cisco Certified Network ProfessionalPlease note that links listed may be affiliate links and provide me with a small percentage/kickback should you use them to purchase any of the items listed or recommended. Thank you for supporting me and this channel!#cml #virl2 #devnet

First we will install ser2net, this application will make sure you can access your serial ports by using telnet:sudo apt-get install ser2net The next step is to find out which serial ports (tty in linux) are connected to your switch:dmesg | grep tty This will tell you which tty lines are in use, for me this was ttyS4, ttyS5, ttyS6 and ttyS7. Now we need to edit our ser2net configuration file and set the correct ports:sudo vi /etc/ser2net.conf This is what my configuration looks like:4000:telnet:0:/dev/ttyS4:9600 8DATABITS NONE 1STOPBIT banner4001:telnet:0:/dev/ttyS5:9600 8DATABITS NONE 1STOPBIT banner4002:telnet:0:/dev/ttyS6:9600 8DATABITS NONE 1STOPBIT banner4003:telnet:0:/dev/ttyS7:9600 8DATABITS NONE 1STOPBIT banner If you telnet to port 4000 it will access ttyS4, port 4001 for ttyS5 and so on. By default it will look like “4000:telnet:600” but I changed it to “4000:telnet:0” so there is no timeout. Before this changes apply you need to restart the service:sudo service ser2net restart Excellent that’s all you have to do for ser2net, now if you want to telnet into your serial ports this is what you do:telnet And you will have access to your serial port. Remote access to your GNS3 routers: If you want remote access to your GNS3 routers it’s possible to telnet directly to the IP address and the correct port number. If you don’t know the port number you can look them up by running GNS3 and typing in “list” in the console at the bottom. Here you can see that these 3 routers are using port 2000, 2001 and 2003. You can directly telnet into them and you will have access. I highly recommend not doing this because if you lose your connection there is no way to get back in the console and you will be locked out. It’s better to use the “screen” command. Screen will let you open a session on a linux machine which will keep running in the background even when you are disconnected. This is how you use it: First use SSH to login to your GNS3 server:ssh Once you are logged in and see the command-line you can use screen to telnet into a router:screen -S R1 telnet localhost 2000 This command will start a new “screen” and telnet into port 2000, in my example this is router1. If your connection fails, just login the GNS3 server using SSH again and check the detached screens:screen -ls This will give you an output like this:10757.R1 (06/18/2011 08:01:15 PM) (Detached)10754.R2 (06/18/2011 08:01:12 PM) (Detached) Now you can resume your session by using this command:screen -r R1 And you are back at the console of your router! That’s all you need to do to build your own CCIE lab using GNS3 and some real switches. The only thing I still could do is build some scripts that will automatically open all my tabs and ssh / telnet into the devices…you don’t really need it but it’s fun and will save you some time when starting up the lab. This solution works far better for me