Supporting BCVRE Study Guide Chapter 2 Ethernet Concepts
Supporting BCVRE Study Guide Chapter 2 Ethernet Concepts

Supporting BCVRE Study Guide Chapter 2 Ethernet Concepts

Objectives: As a Brocade Certified vRouter Engineer, you must be able to demonstrate the ability to install, configure and troubleshoot features of Brocade Vyatta Network OS.

Target: This course is for anyone tasked with configuring or managing the Brocade Vyatta vRouter. This course also for those who are preparing to take the BCVRE Certification Exam.

Course prerequisites: Before taking these bundled courses, students should have basic IT networking experience, including working knowledge of TCP/IP.

BCVRE Bootcamp Syllabus

Agenda:

  • Identify Ethernet operations
  • Identify VLAN operations and settings
  • Identify bonded interface operations

Identify Ethernet operations

Ethernet operations and settings

Like most Ethernet ports, you can manually configure the port speed and duplex level of a vRouter Ethernet port. The default for all Ethernet ports is to auto-detect speed and duplex level.

The vRouter has two settings relating to Ethernet MAC addressing:

  • hw-id: refers to the 48-bit burned-in address on a physical Ethernet port, or the 48-bit virtual address generated by a hypervisor for a virtual Ethernet port. This parameter associates the rest of the Ethernet port configuration with a specific device, and is auto-detected the first time you install a vRouter.
  • mac-addr: allows you to overwrite the MAC address used when the vRouter generates frames on the specified interface.
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Ethernet Configuration

Ethernet Configuration
Ethernet Configuration

To Verify Ethernet Statistic

Identify VLAN operations and settings

VLAN operations and settings

A Virtual LAN (VLAN) is a logical subgroup within a local area network (LAN) that is created through software rather than manually moving cables in the wiring closet.

VLANs have the following characteristics:

  • Creates a broadcast domain
  • Done through software configuration
  • Implemented in port switching and LAN switches

802.1Q tagging

802.1Q tagging is an IEEE standard that allows a etworking device to add information to a Layer 2 frame in order to identify its VLAN membership.

A port can belong to only one port-based VLAN, unless 802.1Q tagging is applied to the port. A port that performs tagging is also called a trunk port.

On the vRouter, trunk ports are implemented by configuring virtual interfaces on a physical interface. Each sub-interface has its own IP address, and is associated with a VLAN tag number. 802.1Q supports 4092 tags.

Sample Topology

Sample Topology
Sample Topology

R1 Configuration

R2 Configuration

Verify R1 Configuration

Verify R2 Configuration

Identify bonded interface operations

Link Aggregation

An aggregated link is a bundle of separate Ethernet interfaces bonded into a single logical pipe. A bonded interface supports all features of a physical Ethernet interface, including multiple IP addresses, VLAN subinterfaces, firewalls, and so on.

Benefit Link Aggregation:

  • Additional bandwidth
  • Redundancy
  • Active monitoring of link status

To configure an aggregate link, you first create a bond interface, configure that interface as you would a physical interface, then assign the physical links to the bond interface group.

Sample Topology

Sample Topology
Sample Topology

R1 Configuration

R2 Configuration

Verify Bonding R1 Configuration

Verify Bonding R2 Configuration

The End of The Word

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