Dell PowerConnect 2708 Appendix
Configuration examples
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- User manual (84 pages) ,
- Datasheet (12 pages) ,
- Getting started manual (51 pages)
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User Manual
Appendix A: Configuration Examples
This Appendix provides some configuration examples for the PowerConnect 2708/2716/2724
devices installed in the Enterprise Network.
The following configuration scenarios are described:
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Configuring Interface Parameters
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Creating VLAN Membership
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Configuring VLAN Port Settings
•
Configuring LAG Membership
•
Downloading Software File
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Configuring Port Mirroring
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Configuring Storm Control
•
Configuring CoS Priority Queues
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Summary of Contents for Dell PowerConnect 2708
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Page 1: Appendix A: Configuration Examples
Appendix A: Configuration Examples This Appendix provides some configuration examples for the PowerConnect 2708/2716/2724 devices installed in the Enterprise Network. The following configuration scenarios are described: • Configuring Interface Parameters • Creating VLAN Membership • Configuring VLAN Port Settings •... -
Page 2: Configuring Interface Parameters
Configuring Interface Parameters The Interface Configuration screen enables the user to set the various interface parameters, interface type and additional operational attributes. In the following example, Port 1 is configured as 1000Mbps Copper interface type, as maximum speed and interface media type. The appropriate cable type connection is RJ-45 1 Gigabit connection. - Page 3 Figure 9-2. Port-Based VLANs in the Enterprise Creating VLAN Membership VLANs are collections of switching ports that comprise a single broadcast domain. Packets are classified as belonging to a VLAN based on either the VLAN tag, or a combination of the ingress port and packet contents.
- Page 4 Figure 9-3. VLAN Membership Defining VLAN Port Settings The VLAN Port Settings screen enables the user to configure information for a specific port in a LAG. In the following example, port #2 in LAG Group 1, has the Frame Type as Admit All, and Ingress Filtering is Disabled.
- Page 5 • High bandwidth server connectivity With the departmental PowerConnect 2708/2716/2724 switches installed, network redundancy and improved traffic performance are facilitated. The PowerConnect device serves to connect the departmental groups of users to another switch that is located on another floor. In addition, LAGs are used to ensure that a backup, in case one line is disabled.
- Page 6 Figure 9-5. LAGs in the PowerConnect Departmental Switch Aggregating Ports Link Aggregation optimizes port usage by linking a group of ports together to form a single LAG (aggregated group). Aggregating ports multiplies the bandwidth between the devices, increases port flexibility, and provides link redundancy. Consider the following when aggregating ports: •...
- Page 7 Downloading Files from Server The File Download screen enables the user to configure and update Software Image files or BootP Image files in the PowerConnect 2708/2716/2724 devices. The TFTP Server IP Address specifies the location from which files are donloaded. The File Name specifies the file to be downloaded.
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Page 8: Port Mirroring
Figure 9-7. File Download Port Mirroring PowerConnect 2708/2716/2724 support port mirroring functionality. Port Mirroring allows traffic to be copied from one port to another port. Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from a monitored port to a monitoring port. - Page 9 Figure 9-8. Port Mirroring Setup with Departmental Switch In the following screen, the Destination Port is configured as port 3, and the Source Port as port 7. The type of traffic to be monitored is configured as Tx (Transmit) and Rx (Receive). The user can elect to add/remove ports to be mirrored and monitored on the network, as required.
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Page 10: Storm Control
The Network Administrator moderates the network traffic by setting the threshold so as to limit, or disables the Storm Control operation, therefore limiting the amount of Multicast and Broadcast frames accepted and forwarded by the PowerConnect 2708/2716/2724 device. In the example shown in the following screen, the Broadcast Rate Threshold is configured to 1000 packets per second. - Page 11 CoS services can be assigned to the queue(s). The PowerConnect 2708/2716/2724 system supports four queues per port for service priorities, where queue 0 is the lowest priority and queue 3 is the highest priority. For each logical group of priorities defined by the user, two priority levels are defined.
- Page 12 The common prioritization mechanisms implemented in the PowerConnect device are Class of Service (CoS), according to IEEE802.1p, and DSCP (DiffServe Code Point) for IP traffic. CoS reduces flow complexity by mapping multiple flows into eight classes of service. These classes are set in the VPT (VLAN Priority Tag) 4-byte field tag, added to the packet by either a station or networking device.
- Page 13 When Restore Defaults box is checked, the device’s factory default settings for mapping CoS values are restored. Figure 9-13. CoS to Queue Mapping DSCP Values to Queues The following screen shows DSCP In incoming traffic and the priority queues (1 to 4) assigned to them.