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CISCO MAC ADDRESS LOOKUP MODEL HOW TO
CISCO MAC ADDRESS LOOKUP MODEL SOFTWARE
CISCO MAC ADDRESS LOOKUP MODEL SERIES
CISCO MAC ADDRESS LOOKUP MODEL WINDOWS

This example illustrates how to convert a configuration from Cisco IOS to Cisco IOS XR. This is completed with the rewrite command. Note: BVI interfaces do not support VLAN tags so in order for the BVI to handle the ingress traffic on the EFP, the VLAN tag must be popped on ingress and added on egress. When Layer 3 (元) SVIs are needed, configure via interface BVI in Cisco IOS XR, instead of interface vlan in Cisco IOS, in order to provide basic 元 functions for the L2 interfaces that belong to the BD.Create a BD in order to group the EFPs.Create the EFP via configuration of an interface or sub-interface with the l2transport option, which represents a VLAN.The configuration on Cisco IOS XR consists of three steps: The EVC model might be new to some Cisco IOS users when they first migrate to Cisco IOS XR. Trunks, VLAN Interfaces, and SVIs from Cisco IOS must be converted to Cisco IOS XR configurations via sub-interfaces, L2VPN BDs, and Bridge Virtual Interfaces (BVIs). The EVC model does not have the concept of trunks, VLAN interfaces, or a Switch Virtual Interface (SVI).

CISCO MAC ADDRESS LOOKUP MODEL SERIES

If EFPs belong to the same BD and have the same BD number, then the EFPs receive traffic even if they have different VLAN numbers.Ĭisco IOS XR on ASR 9000 Series routers uses the Ethernet Virtual Circuit (EVC) model. The BD has one-to-many mappings with EFPs: all of the EFPs in a node for a specific EVC are grouped with use of the BD. The BD enables you to decouple the VLAN from the broadcast domain.

Bridge Domain (BD) - A BD is an Ethernet broadcast domain internal to the device.

Because multiple EVCs can pass through one physical interface, the main purpose of an EFP configuration is to recognize the traffic that belongs to a specific EVC on that interface and to apply the forwarding behavior and features specific to that EVC. An EFP is defined as an end-point of an EVC within a node.

EVC - EVC is an end-to-end representation of a single instance of L2.

Ethernet Flow Point (EFP) - EFP is an L2 logical subinterface that is used in order to classify traffic under a physical or a bundle interface.

The EVC model eliminates the Cisco IOS restriction of 4,096 VLANs maximum. With the EVC model, this concept is decoupled in order to allow more flexibility and higher scale. Traditionally, the VLAN tag defines the classification, the VLAN, the forwarding, and which Content Addressable Memory (CAM) table to use in order to perform a MAC address lookup.

The EVC model allows Cisco IOS XR to leverage the current 802.1Q VLAN tags in a new way. The ASR 9000 Series router does not follow the IEEE model of Layer 2 (L2) configuration, most notably 802.1Q and 802.1AD. If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. ASR 9000 Series routers use the EVC model while Carrier Routing System (CRS) routers that run Cisco IOS XR do not.

CISCO MAC ADDRESS LOOKUP MODEL SOFTWARE

This document is not restricted to specific software but is restricted to 9000 Series Aggregated Service Router (ASR)-related hardware versions that use the Ethernet Virtual Circuit (EVC) model in order to configure L2VPN. There are no specific requirements for this document. You will be a list of all the network interfaces with their MAC addresses (Ethernet Address).This document describes how to convert a Cisco IOS ® Layer 2 switching configuration to a Cisco IOS XR Layer 2 Virtual Private Network (L2VPN) configuration.Go to Utilities (Finder > Utilities OR command + shift + u) and start the Terminal app.You should see the MAC address in this format 00:00:00:00:00:00 following HWaddr In the terminal, type ifconfig and press ENTER.How to find the MAC address in Unix or Linux You should see the MAC address in this format 00:00:00:00:00:00 In the DOS prompt, type ipconfig /all and press ENTER.

CISCO MAC ADDRESS LOOKUP MODEL WINDOWS

How to find the MAC address How to find the MAC address in Windows The OUI is basically the first three octets of a MAC address. They are purchased and assigned by the IEEE.

They can either be written in either of these formats:Īn OUI is a 24-bit number that uniquely identifies a vendor or manufacturer. It is a 48-bit number (12 hexadecimal characters). A MAC address is a unique identifier for network interfaces.