Create a internal connection between ISR 4451 and EtherSwitch submodule



As an IT administrator, it is common to need to create a secure internal connection between a router and a switch. In this case, we'll be discussing how to create a secure connection between an ISR 4451 router and an EtherSwitch submodule.

The first step is to ensure that both the router and the switch are properly configured. This includes setting up the correct IP addresses, enabling the correct protocols, and verifying that the appropriate ports are open on both devices. It is also important to ensure that the switch is configured to accept the router's VLANs.

Once the two devices are properly configured, you can begin setting up the connection. The first step is to connect the router and the switch physically. This can be done by connecting the two devices with a CAT5 or CAT6 Ethernet cable. Once the physical connection is established, the next step is to configure the switch port to accept the router's VLANs.

To do this, you will need to configure the switch port to accept the VLANs assigned to the router. This can be done by entering the command “switchport trunk allowed vlan x”. Replace “x” with the VLANs assigned to the router. If you need to configure multiple VLANs, you can enter multiple commands with the same syntax, replacing “x” with the different VLAN numbers.

Once the switch port is configured to accept the router's VLANs, you will need to configure the router to send traffic to the switch. This can be done by entering the command “ip route x.x.x.x/x switchport”. Replace the “x” with the IP address and subnet mask of the switch. This will allow the router to send traffic to the switch.

Finally, you will need to enable the EtherChannel on the router and the switch. This can be done by entering the command “channel-group x mode active” on both devices. Replace the “x” with the number of the EtherChannel. This will allow the two devices to communicate securely.

Once the above steps are completed, you should now have a secure internal connection between the ISR 4451 router and the EtherSwitch submodule. This connection should be reliable and secure and should provide the necessary performance for your network.

It is important to note that these steps are just a basic overview of how to create a secure internal connection between the two devices. Depending on your specific requirements, you may need to configure additional settings or protocols in order to ensure that your network is secure and working properly. There are also many other considerations, such as firewall configuration and access control lists, that need to be taken into account when setting up a secure network.

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