BLADEOS 6.5.2 Application Guide

Figure 2 Port-based VLAN assignment

P VID = 2

Untagged packet

C R C Data S A DA

Before

P ort 4

 

P ort 1

 

P ort 2

 

P ort 3

 

 

 

802.1Q

S witch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P ort 6

 

P ort

7

 

P ort 8

 

Tagged member of VLAN 2

P ort 5

Untagged member of VLAN 2

As shown in Figure 3, the untagged packet is marked (tagged) as it leaves the switch through port 5, which is configured as a tagged member of VLAN 2. The untagged packet remains unchanged as it leaves the switch through port 7, which is configured as an untagged member of VLAN 2.

Figure 3 802.1Q tagging (after port-based VLAN assignment)

PVID = 2

Port 4

Port 1

 

Port 2

 

Port 3

 

 

802.1Q Switch

 

 

 

 

 

 

 

Port 6

 

Port 7

 

Port 8

 

Tagged member of VLAN 2

5

 

 

 

 

 

 

Port

 

CRC*

Data

Tag

SA

DA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(*Recalculated)

Untagged memeber

CRC

of VLAN 2

 

 

Data

Outgoing SA

 

8100

 

Priority

 

CFI

 

VID = 2

 

 

 

 

 

 

 

 

 

 

 

 

16 bits

 

3 bits

 

1 bits

 

12 bits

 

 

 

 

 

 

 

 

 

 

After

 

 

 

 

untagged packet (unchanged)

DA

Key

 

Priority

- User_priority

CFI

- Canonical format indicator

VID

- VLAN identifier

 

 

In Figure 4, tagged incoming packets are assigned directly to VLAN 2 because of the tag assignment in the packet. Port 5 is configured as a tagged member of VLAN 2, and port 7 is configured as an untagged member of VLAN 2.

92 ￿ Chapter 6: VLANs

BMD00220, October 2010

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Blade ICE G8124-E manual Port-based Vlan assignment

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.