Cisco device Vlan,trunk, Ethernet channel management

Today, we introduce some common basic operations of Cisco devices, such as creating VLANs, binding network cables, doing trunks, using three-layer switching, and so on.

This is today's topology diagram: Two three-layer switching, two PCs, respectively, add vlan10 and 20, two three layers to do network redundancy, and finally achieve two PC communication, very simple, but the use of an experiment:

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1. Create VLANs in two three tiers, respectively

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2. After creating the VLAN, add the three layer Ethernet port connected to the PC to the VLAN

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3. Ports for two three-layer communications first configure the dot1q (ISL and 802.1q are the package types for network devices, primarily for the encapsulation of VLANs. 802.1q is used primarily for VLAN communication between different branded devices and communication with different layer devices.

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4. When configuring these interfaces as trunk ports (trunk link for multiple VLAN communication)

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5. Then configure the ports in the two three layers to be connected in an Ethernet group, logically bundled into a network cable (up to 8 bundles at the same time)

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6. Two set of three-layer switching all turn on the routing function

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7. Two network cables are normally ping another PC

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8. Ping another PC after disconnecting a network cable

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9. Ping the other PC after two wires are disconnected

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Cisco device Vlan,trunk, Ethernet channel management