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Blade ICE G8124-E manual Using the Area ID to Assign the Ospf Area Number

Models: G8124-E G8124

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BLADEOS 6.5.2 Application Guide

Using the Area ID to Assign the OSPF Area Number

The OSPF area number is defined in the areaid <IP address> option. The octet format is used in order to be compatible with two different systems of notation used by other OSPF network vendors. There are two valid ways to designate an area ID:

￿Placing the area number in the last octet (0.0.0.n)

Most common OSPF vendors express the area ID number as a single number. For example, the Cisco IOS-based router command “network 1.1.1.0 0.0.0.255 area 1” defines the area number simply as “area 1.” On the G8124, using the last octet in the area ID, “area 1” is equivalent to “area-id 0.0.0.1”.

￿Multi-octet (IP address)

Some OSPF vendors express the area ID number in multi-octet format. For example, “area 2.2.2.2” represents OSPF area 2 and can be specified directly on the G8124 as “area-id 2.2.2.2”.

Note – Although both types of area ID formats are supported, be sure that the area IDs are in the same format throughout an area.

Attaching an Area to a Network

Once an OSPF area has been defined, it must be associated with a network. To attach the area to a network, you must assign the OSPF area index to an IP interface that participates in the area. The format for the command is as follows:

RS G8124(config)# interface ip <interface number>

RS G8124(config-ip-if)# ip ospf area <area index>

RS G8124(config-ip-if)# exit

For example, the following commands could be used to configure IP interface 14 for a presence on the 10.10.10.1/24 network, to define OSPF area 1, and to attach the area to the network:

RS G8124(config)# router ospf

RS G8124(config-router-ospf)# area 1 area-id 0.0.0.1

RS G8124(config-router-ospf)# enable

RS G8124(config-router-ospf)# exit

RS G8124(config)# interface ip 14

RS G8124(config-ip-if)# ip address 10.10.10.1

RS G8124(config-ip-if)#ip netmask 255.255.255.0

RS G8124(config-ip-if)# enable

RS G8124(config-ip-if)# ip ospf area 1

RS G8124(config-ip-if)# ip ospf enable

Note – OSPFv2 supports IPv4 only. IPv6 is supported in OSPFv3 (see “OSPFv3 Implementation in BLADEOS” on page 298).

280 ￿ Chapter 20: OSPF

BMD00220, October 2010

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Blade ICE G8124-E manual Using the Area ID to Assign the Ospf Area Number
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G8124-E, G8124 specifications

The Blade ICE G8124 is a cutting-edge networking solution designed for high-performance data center environments. It has emerged as a popular choice among organizations that require reliable and efficient network infrastructure to support their growing demands for bandwidth and low-latency connectivity.

One of the key features of the Blade ICE G8124 is its high port density. This networking device typically offers 24 ports of 10 Gigabit Ethernet, ensuring that businesses can connect numerous devices without requiring extensive physical space. The design is also scalable, accommodating future expansion as organizational needs grow.

Another significant aspect of the G8124 is its advanced switching capabilities. It utilizes a non-blocking architecture, enabling simultaneous data transmissions on all ports. This characteristic ensures that there is no bottleneck in the network traffic, providing the high performance needed in data-intensive applications.

The G8124 incorporates various technologies to enhance its functionalities. It supports Layer 2 and Layer 3 switching, making it versatile for different networking needs. Additionally, it features comprehensive Quality of Service (QoS) settings that prioritize critical applications, such as VoIP and video streaming, ensuring smooth operation even under heavy loads.

In terms of security, the Blade ICE G8124 provides robust measures to protect the network. It supports features such as Access Control Lists (ACLs), port security, and VLANs, allowing administrators to segment the network and restrict unauthorized access. These security capabilities are vital in today’s landscape, where cyber threats are increasingly common.

Moreover, the G8124 offers excellent management features. It includes an intuitive user interface for easy configuration and monitoring of network performance. SNMP support allows integration with network management systems, providing administrators with insights needed to optimize their operations.

Power efficiency is also a hallmark of the Blade ICE G8124. It employs energy-saving technologies that reduce operational costs, an essential factor for environmentally-conscious organizations striving to minimize their carbon footprint.

In summary, the Blade ICE G8124 stands out with its high port density, advanced switching capabilities, robust security features, and efficient management options. This networking solution is designed to meet the demands of modern data centers, providing the performance, reliability, and scalability that organizations require. With its innovative technologies, the G8124 ensures that businesses can navigate the complexities of today's networking landscape effectively.