Chapter 5

Configuring the Switch

VLAN Management

A VLAN is a group of ports that can be located anywhere in the network, but communicate as though they belong to the same physical segment..

VLANs help to simplify network management by allowing you to move devices to a new VLAN without having to change any physical connections.. VLANs can be easily organized to reflect departmental groups (such as Marketing or R&D), usage groups (such as e-mail), or multicast groups (used for multimedia applications such as videoconferencing).. You can create up to 256 VLANs on the Switch..

VLAN Management > Create VLAN

VLAN Management > Create VLAN

Create VLAN

Single VLAN

To create a single VLAN, enter the VLAN ID and VLAN Name, up to 32 characters long, and click Add..

VLAN ID  ID of configured VLAN (1-4094, no leading zeroes)..

VLAN Name  Name of the VLAN.. (1 to 32 characters)

VLAN Range

To create a range of VLANs, enter the range of the VLAN IDs to be created in to the VLAN Range fields and then click Add Range..

To remove a VLAN or a range of VLANs, select the VLANs in the VLAN list, then click Remove..

VLAN Management > Port Settings

VLAN Management > Port Settings

You can configure VLAN behavior for specific interfaces, including the mode, accepted frame type, VLAN identifier (PVID), and ingress filtering..

Mode  Indicates VLAN membership mode for an interface.. (Default: General)

Access  Is the default setting for all ports.. The port is a member of a single, untagged VLAN..

Trunk  Specifies a port as an end-point for a VLAN trunk.. A trunk is a direct link between two switches, so the port transmits tagged frames that identify the source VLAN.. Note that frames belonging to the port’s default VLAN (that is, associated with the PVID) are also transmitted as tagged frames..

General  Specifies a hybrid VLAN interface.. The port may transmit tagged or untagged frames..

Acceptable Frame Type  Sets the interface to accept all frame types, including tagged or untagged frames, or only tagged frames.. When set to receive all frame types, any received frames that are untagged are assigned to the default VLAN.. (Options: All, Tagged, Active; Default: All)

PVID (Port VLAN identifier)  VLAN ID assigned to untagged frames received on the interface.. (Default: 1)

If an interface is not a member of VLAN 1 and you assign its PVID to this VLAN, the interface will automatically be added to VLAN 1 as an untagged member.. For all other VLANs, an interface must first be configured as an untagged member before you can assign its PVID to that group..

48-Port 10/100 + 4-Port Gigabit Switch with WebView and Power over Ethernet

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Cisco Systems SRW248G4P manual Vlan Management Create Vlan, Vlan Management Port Settings

SRW248G4P specifications

Cisco Systems SRW248G4P is a high-performance Layer 2 switch designed specifically for small to medium-sized businesses that require robust networking solutions. This switch supports Power over Ethernet (PoE), providing a highly flexible option for powering devices such as IP phones, wireless access points, and surveillance cameras.

One of the standout features of the SRW248G4P is its 48 10/100 Ethernet ports, which ensure ample connectivity for various networked devices. Additionally, it offers four Gigabit Ethernet uplink ports, allowing for seamless integration with existing network infrastructure and facilitating high-speed data transfer. The combination of these ports enables businesses to expand their network capabilities as needed without the immediate requirement for added devices.

The SRW248G4P comes equipped with advanced Layer 2 switching capabilities, including VLAN support, which enables the segmentation of network traffic for improved performance and security. It also supports Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP), which help prevent network loops and ensure redundancy. With features like Link Aggregation Control Protocol (LACP), multiple physical connections can be combined into a single logical link, enhancing bandwidth and providing failover capabilities.

Another critical attribute of the Cisco SRW248G4P is its user-friendly management interface. The switch can be managed through a web-based interface, allowing IT administrators to configure settings, monitor performance, and troubleshoot issues with ease. Additionally, it supports SNMP (Simple Network Management Protocol) for integration with network management systems, further simplifying monitoring tasks.

Power over Ethernet functionality is a significant advantage of the SRW248G4P, providing up to 15.4 watts per port. This capability simplifies installation and reduces the clutter of power cords and outlets. Organizations can deploy PoE-enabled devices in locations that lack power sources, thus enhancing overall flexibility in network design.

In summary, the Cisco Systems SRW248G4P is a feature-rich switch tailored for small to medium-sized enterprises. Its blend of performance, management capabilities, and advanced features like PoE makes it a valuable asset in any organization's networking setup. By ensuring reliable connectivity and ease of management, businesses can focus more on growth and their core objectives rather than worrying about network complexities.