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SMC Networks SMC6624M manual General Operation, Dynamic Vlan Advertising and Joining on

Models: SMC6624M

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Configuring Advanced Features

 

GVRP

 

 

N o t e

There must be one common VLAN (that is, one common VID) connecting all

 

of the GVRP-aware devices in the network to carry GVRP packets. SMC

 

recommends the default VLAN (DEFAULT_VLAN; VID = 1), which is automat-

 

ically enabled and configured as untagged on every port of the SMC6624M

 

switch). That is, on ports used for GVRP links, leave the default VLAN set to

 

Untagged and configure other static VLANs on the same ports as either Tagged,

 

Auto, or Forbid. (Auto and Forbid are described under “Per-Port Options for

 

Dynamic VLAN Advertising and Joining” on page 9-79.

 

General Operation

 

 

A GVRP-enabled port with a Tagged or Untagged static VLAN sends advertise-

 

ments (BPDUs, or Bridge Protocol Data Units) advertising the VLAN (actually,

 

its VID). Another GVRP-aware port receiving the advertisements over a link

 

can dynamically join the advertised VLAN. All dynamic VLANs operate as

 

Tagged VLANs. Also, a GVRP-enabled port can forward an advertisement for

 

a VLAN it learned about from other ports on the same switch. However, the

 

forwarding port will not itself join that VLAN until an advertisement for that

 

VLAN is received on that specific port.

Features

Configuring Advanced

 

 

Core switch with static VLANs (VID= 1, 2, & 3). Port 2 is a member of VIDs 1, 2, & 3.

1.Port 2 advertises VIDs 1, 2, & 3.

2.Port 1 receives advertise- ment of VIDs 1, 2, & 3 AND becomes a member of VIDs 1, 2, & 3.

3.Port 3 advertises VIDs 1, 2, & 3, but port 3 is NOT a member of VIDs 1, 2, & 3 at this point.

4.Port 4 receives advertise- ment of VIDs 1, 2, & 3 AND becomes a member of VIDs 1, 2, & 3.

5.Port 5 advertises VIDs 1, 2, & 3, but port 5 is NOT a member of VIDs 1, 2, & 3 at this point.

Port 6 is statically configured to be a member of VID 3.

Switch 1

GVRP On

2

Switch 2

GVRP On

1

3

Switch 3

GVRP On

5

4

Static VLAN con- figured End Device (NIC or switch) with GVRP On

6

11. Port 2 receives

9. Port 3 receives advertise-

7.

Port 5 receives advertise- 6. Port 6 advertises VID 3.

advertisement of VID 3. (Port

ment of VID 3 AND becomes

ment of VID 3 AND becomes

2 is already statically

a member of VID 3. (Still not

a member of VID 3. (Still not

configured for VID 3.

a member of VIDs 1 & 2.)

a member of VIDs 1 & 2.)

 

10. Port 1 advertises VID 3.

8.

Port 4 advertises VID 3.

Figure 9-57. Example of Forwarding Advertisements and Dynamic Joining

9-75

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SMC Networks SMC6624M General Operation, Dynamic Vlan Advertising and Joining on, Vlan is received on that specific port
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SMC6624M specifications

SMC Networks SMC6624M is a robust and versatile managed switch designed to meet the needs of enterprises seeking reliable network solutions. This device features 24 Gigabit Ethernet ports that allow for high-speed data transfer, making it ideal for environments that demand high bandwidth. The SMC6624M is particularly suited for small to medium-sized businesses that require a powerful network backbone to support various applications, including voice, video, and data transmission.

One of the standout features of the SMC6624M is its Layer 2 and Layer 3 switching capabilities, enhancing the flexibility and efficiency of network management. The switch supports VLANs (Virtual Local Area Networks), which allow administrators to segment network traffic for improved security and performance. This capability is essential for organizations looking to optimize their network resources and apply policies that enhance security.

The SMC6624M also integrates advanced Quality of Service (QoS) features, enabling the prioritization of network traffic. This is particularly useful for applications such as VoIP and video conferencing, where maintaining low latency and jitter is crucial for ensuring a seamless user experience. Users can define traffic classes and manage bandwidth allocation, which helps in maintaining the quality of critical applications even during peak usage times.

In terms of connectivity and performance, the SMC6624M includes 4 Gigabit SFP ports, allowing for fiber optic connections to extend network reach and provide flexibility in deployment. The ability to take advantage of high-speed fiber connections means businesses can scale their networks as needed without significant infrastructure changes.

Management options for the SMC6624M are comprehensive. It supports SNMP (Simple Network Management Protocol) for monitoring and managing network performance effectively. Additionally, the switch can be configured using a web-based interface, command-line interface (CLI), or through SNMP, providing flexibility to network administrators with different preferences and expertise.

Furthermore, the SMC6624M is built with a fanless design, which ensures quiet operation and is energy efficient. Its compact form factor and sturdy build make it suitable for installation in various environments, including data centers and office settings.

Overall, the SMC Networks SMC6624M stands out for its combination of speed, flexibility, and management features, making it an excellent choice for businesses looking to enhance their network infrastructure. With a focus on reliability and performance, this managed switch promises to deliver the capabilities that today's modern networks demand.