How To Configure Subinterface In Cisco Router

How To Configure Subinterface In Cisco Router. November 25, 2015 at 11:28 am. Configures 802.1q encapsulation for the subinterface.

Ask question asked 5 years, 8 months ago. Create vlans (vlans 10 and 20) on the l2 switch. Without a vlan id, the subinterface remains in the down state.

Cisco CCNA Virtual LANs (VLANs) Part I
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A subinterface is created using the interface interface_id. Create a vlan subinterface by adding a subinterface number to the interface identification command. Configures 802.1q encapsulation for the subinterface.

Create Vlans (Vlans 10 And 20) On The L2 Switch.

What are subinterfaces on a router? The sub interface becomes fa 0/x. Configure and verify frame relay on cisco routers; Enable l3 routing and create vlans (vlans 10 and 20) on the l3 switch. All vlan ids must be unique among all subinterfaces configured on the same physical interface.

You Can Configure A Subinterface And Associate The Subinterface To A Vlan Id Using 802.1Q Trunking.

November 25, 2015 at 11:28 am. The syntax for the subinterface is the. Assign the vlans to the l2 switch ports. To know more about what is a subinterface in a cisco router, keep. The figure shows that multiple subinterfaces are configured.

Cisco CCNA Virtual LANs (VLANs) Part I
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Basically you connect the physical interface of the asa (which has subinterfaces configured) to a trunk port on the switch and then configure layer2 vlans and also layer3 vlans (svi) on the switch. Enable l3 routing and create vlans (vlans 10 and 20) on the l3 switch. Configure a routed port for connecting to the firewall on the l3 switch.

Do One Of The Following:

The range is from 1 to 4000. An 802.1q vlan subinterface must have a configured vlan id to send and receive traffic; Basically you connect the physical interface of the asa (which has subinterfaces configured) to a trunk port on the switch and then configure layer2 vlans and also layer3 vlans (svi) on the switch. Author and talk show host robert mcmillen explains the sub interface commands for intervlan routing for a cisco router. The subinterface syntax is the physical interface followed by a period and a subinterface number.

You Can Configure A Subinterface And Associate The Subinterface To A Vlan Id Using 802.1Q Trunking.

Assign a vlan id for the subinterface. Enable l3 routing and create vlans (vlans 10 and 20) on the l3 switch. The sub interface becomes fa 0/x. Without a vlan id, the subinterface remains in the down state. To change a vlan id, the new vlan must not already be in use on the same physical interface.