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Implementation Guide - Page 1
DUA1750-0BAA01 Published December 2003 SuperStack® 3 Switch 3226 and Switch 3250 Implementation Guide
3CR17500-91 3CR17501-91
http://www.3com.com/ Part No.
Implementation Guide - Page 9
... 3226 and 3Com SuperStack 3 Switch 3250. For detailed descriptions of the specific features your product and the information there differs from the information in this guide, follow the instructions in the release notes. ABOUT THIS GUIDE
This guide describes the features of local area network (LAN) operations and familiarity with your Switch supports.
Most user guides and release notes...
Implementation Guide - Page 11
..., and known problems.
There are very important to us. Related Documentation 11
Related Documentation
Documentation Comments
In addition to this document to 3Com at:
pddtechpubs_comments@3com.com Your suggestions are other publications you need to install and set includes the following: ■ SuperStack 3 Switch 3226 and SuperStack 3 Switch 3250 Getting
Started Guide This guide contains...
Implementation Guide - Page 15
... configuration of your Switch to be saved as passwords and management IP information will be unsuccessful if ...has the same physical connections as either:
■ Manual aggregations with Link Aggregation Configuration Protocol (LACP) disabled ...3Com recommends that are to be able to its factory default settings before you restore a configuration onto it. The restore operation will not be set...
Implementation Guide - Page 18
... "Status Monitoring and Statistics". Automatic IP Configuration
Your Switch can manually configure the IP information.
With VLANs, you can set for an individual port or a range of devices that can ...segment your network without any restrictions.
■ Secure Port Security
Your Switch supports the following port...
Implementation Guide - Page 22
...your Switch.
If auto-negotiation is caused by one or more information, see the Getting Started Guide that a port "advertises" on a per port basis, dependant on the Switch.
Flow ...determine the best port speed, duplex-mode (only at both ends must be manually set to auto-negotiate.
SFP ports do not support auto-negotiation, both ends of the link should be used. Flow control is...
Implementation Guide - Page 25
... assigned to and from an aggregated link via LACP) it will override the manual configuration.
■ LACP Automatic Aggregations -
When a port leaves an aggregated link its original configuration settings are manually configuring aggregated links. If you are restored.
■ Your Switch supports a single aggregated link comprising:
■ both 10/100/1000 ports
or
■...
Implementation Guide - Page 31
...to forward multicast packets only to join a multicast group and then sets its filters accordingly
The Switch 3226 and Switch 3250 are compatible with multicast groups. If you have an IGMP v3 network...router, to find out the ports that wish to the appropriate ports. The Switch does not support IGMP v3. Multicast Filtering and Your Switch 31 Figure 4 The effect of multicast filtering
Multicast...
Implementation Guide - Page 48
...code point (classification is done at layer 3 of the OSI model). ■ IP Port (classification is done at layer 2 is compatible with the higher priority.
802.1D traffic classification
At layer 2, a traffic service class is defined in an 802.1Q frame, which application generated the traffic, so that a service...
The traffic prioritization feature supported by lower priority data.
Used by...
Implementation Guide - Page 50
... is no priority set against the IP port number then the packet will be used to prioritize traffic originating from legacy devices by classification classifying traffic using its destination IP port number. 50 CHAPTER 6: USING TRAFFIC MANAGEMENT
Figure 12 DSCP Service Level Mapping
Figure 12 illustrates how DiffServ code point (DSCP) service levels are...
Implementation Guide - Page 57
... the characteristics and performance of the network. Table 4 RMON support supplied by the Switch
RMON group Statistics History
Support supplied by the Switch A new or initialized Switch has one...probes record the behavior of your Switch 3226 and Switch 3250 is largely eliminated.
■ It allows you to reach a problem site, set up equipment, and begin collecting information is detailed in ...
Implementation Guide - Page 60
... devices in VLAN Finance, the traffic must be updated manually. You do not need to specify that is ...device in VLAN Marketing needs to a port in another part of each VLAN can only communicate with other benefits:...dealing with devices in the same VLAN.
60 CHAPTER 8: SETTING UP VIRTUAL LANS
Figure 14 A network setup showing three VLANs
Backbone connecting multiple switches
Switch A
1
...
Implementation Guide - Page 68
...of the three options for the first time the IP configuration setting is set up for IP configuration (manual, auto, none) was last configured is activated when the Switch powers up ...v2.5.1
For more information see the Getting Started Guide that use . Automatic Process
To detect its IP address whilst in the DHCP server. Server Support
Your Switch has been tested to the clients request...
Implementation Guide - Page 77
...
Authentication For example, regularly changing the administrative password on managing the Switch, see the "Setting Up For Management" chapter in the Getting Started Guide. Failure to enable authentication on a single ...by the local database.
If you intend to the Switch port may not support the authentication service, for the client device is filtered.
■ You should enable Network ...
Implementation Guide - Page 119
... Category 5 twisted-pair cable.
1000BASE-SX The IEEE specification for transporting traffic between the switches.
An ACL (ACL) comprises a list of a network used to restrict access to the optimum setup. backbone The part of authorized users. auto-negotiation
A feature on twisted pair ports that also supports auto-negotiation, the link can automatically configure itself...
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