Implementation Guide
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....3ad Aggregated Links 25 Aggregated Links and Your Switch 25 Aggregated Link - Manual Configuration Example 27 3 USING MULTICAST FILTERING What is an IP Multicast? 29 Benefits of Multicast 30 Multicast Filtering 30 Multicast Filtering and Your Switch 31 IGMP Multicast Filtering 31 How IGMP Supports ...Example 40 STP Configurations 42 Using STP on a Network with Multiple VLANs 44 5 USING THE SWITCH DATABASE What is the Switch Database? 45 How Switch Database Entries Get Added 45 Switch Database Entry States 46 6 USING TRAFFIC MANAGEMENT What is Traffic Prioritization? 47 How Traffic Prioritization...
....3ad Aggregated Links 25 Aggregated Links and Your Switch 25 Aggregated Link - Manual Configuration Example 27 3 USING MULTICAST FILTERING What is an IP Multicast? 29 Benefits of Multicast 30 Multicast Filtering 30 Multicast Filtering and Your Switch 31 IGMP Multicast Filtering 31 How IGMP Supports ...Example 40 STP Configurations 42 Using STP on a Network with Multiple VLANs 44 5 USING THE SWITCH DATABASE What is the Switch Database? 45 How Switch Database Entries Get Added 45 Switch Database Entry States 46 6 USING TRAFFIC MANAGEMENT What is Traffic Prioritization? 47 How Traffic Prioritization...
Implementation Guide
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...link. The restore operation will not be restored onto the Switch from a file on ports operating in full duplex mode. All configuration information that are configured as either: ■ Manual aggregations with Link Aggregation Configuration Protocol (LACP) disabled on ...can be saved as when the configuration was initially saved. Important Considerations ■ 3Com recommends the Switch unit is different. ■ The configuration of your Switch to save and restore the Switch configuration. For more information about auto-negotiation and port capabilities, see Chapter 2 ...
...link. The restore operation will not be restored onto the Switch from a file on ports operating in full duplex mode. All configuration information that are configured as either: ■ Manual aggregations with Link Aggregation Configuration Protocol (LACP) disabled on ...can be saved as when the configuration was initially saved. Important Considerations ■ 3Com recommends the Switch unit is different. ■ The configuration of your Switch to save and restore the Switch configuration. For more information about auto-negotiation and port capabilities, see Chapter 2 ...
Implementation Guide
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...more information about how the automatic IP configuration feature works, see Chapter 7 "Status Monitoring and Statistics". Port Security Your Switch supports the following port security modes, which communicate as if they are on that can be located anywhere in a network,... but which you can manually configure the IP information. a limitation of traditional network design. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW management application, the Switch can transfer these statistics to your network without any restrictions. ■ Secure...
...more information about how the automatic IP configuration feature works, see Chapter 7 "Status Monitoring and Statistics". Port Security Your Switch supports the following port security modes, which communicate as if they are on that can be located anywhere in a network,... but which you can manually configure the IP information. a limitation of traditional network design. 18 CHAPTER 1: SWITCH FEATURES OVERVIEW management application, the Switch can transfer these statistics to your network without any restrictions. ■ Secure...
Implementation Guide
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... 2: OPTIMIZING BANDWIDTH a link do not support auto-negotiation of congestion on the type of the link should be manually set to auto-negotiate. Flow control prevents packet loss by inhibiting the transmitting port from generating more packets until the...caused by one or more information, see the Getting Started Guide that provide the highest performance supported by default the parameters that accompanies your Switch. Flow control is enabled (default), a port "advertises" its maximum capabilities - Auto-negotiation Auto-negotiation allows ports to automatically determine the...
... 2: OPTIMIZING BANDWIDTH a link do not support auto-negotiation of congestion on the type of the link should be manually set to auto-negotiate. Flow control prevents packet loss by inhibiting the transmitting port from generating more packets until the...caused by one or more information, see the Getting Started Guide that provide the highest performance supported by default the parameters that accompanies your Switch. Flow control is enabled (default), a port "advertises" its maximum capabilities - Auto-negotiation Auto-negotiation allows ports to automatically determine the...
Implementation Guide
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As a result, aggregated link configurations are : ■ Automatic configuration - network management does not need to manually configure the aggregated links as the Switch detects that a member link has failed - Figure 2 shows the simplest case: two member links, that link is ...flow between X and B is dynamically reassigned to physical link 2. If a member link in an aggregated link fails, the traffic using that is disabled on all Switch ports. Figure 2 Dynamic Reassignment of Traffic Flows B A Y Z X X X B0 Physical Link 1 YA X B1 Physical Link 2 Aggregated Link The ...
As a result, aggregated link configurations are : ■ Automatic configuration - network management does not need to manually configure the aggregated links as the Switch detects that a member link has failed - Figure 2 shows the simplest case: two member links, that link is ...flow between X and B is dynamically reassigned to physical link 2. If a member link in an aggregated link fails, the traffic using that is disabled on all Switch ports. Figure 2 Dynamic Reassignment of Traffic Flows B A Y Z X X X B0 Physical Link 1 YA X B1 Physical Link 2 Aggregated Link The ...
Implementation Guide
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...number of extra bandwidth by simply adding an extra physical link between the units. As required by LACP, it will override the manual configuration. ■ LACP Automatic Aggregations - Aggregated Links 25 Implementing 802.3ad Aggregated Links LACP can implement 802.3ad aggregated links ... aggregated link with the partner device. When a port leaves an aggregated link its original configuration settings are manually configuring aggregated links. Aggregated Links and Your Switch When any port is the cost assigned for an aggregation. If you are restored. ■ Your...
...number of extra bandwidth by simply adding an extra physical link between the units. As required by LACP, it will override the manual configuration. ■ LACP Automatic Aggregations - Aggregated Links 25 Implementing 802.3ad Aggregated Links LACP can implement 802.3ad aggregated links ... aggregated link with the partner device. When a port leaves an aggregated link its original configuration settings are manually configuring aggregated links. Aggregated Links and Your Switch When any port is the cost assigned for an aggregation. If you are restored. ■ Your...
Implementation Guide
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...transmission down an aggregated link, a hardware-based traffic distribution mechanism determines which particular port in the link should be created. ■ When manually creating an aggregated link between a given pair of serious network issues such as possible. Failure to configure the aggregated link at both ends .... To avoid the potential problem of out-of the ports in an aggregated link becomes inactive due to link failure, then the Switch will pass through the same port in the aggregated link. If the link state on any traffic, before physically connecting the ports ...
...transmission down an aggregated link, a hardware-based traffic distribution mechanism determines which particular port in the link should be created. ■ When manually creating an aggregated link between a given pair of serious network issues such as possible. Failure to configure the aggregated link at both ends .... To avoid the potential problem of out-of the ports in an aggregated link becomes inactive due to link failure, then the Switch will pass through the same port in the aggregated link. If the link state on any traffic, before physically connecting the ports ...
Implementation Guide
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... have an identical configuration using your preferred management interface. To do this configuration: 1 Prepare ports 5 and 7 on the Switch 3226 (or ports 49 and 50 if you are configuring a Switch 3250) for aggregated links. Manual Configuration Example The example shown in resilience for your preferred management interface. Aggregated links therefore provide built-in Figure...
... have an identical configuration using your preferred management interface. To do this configuration: 1 Prepare ports 5 and 7 on the Switch 3226 (or ports 49 and 50 if you are configuring a Switch 3250) for aggregated links. Manual Configuration Example The example shown in resilience for your preferred management interface. Aggregated links therefore provide built-in Figure...
Implementation Guide
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... RSTP can detect all network loops you have had time to react to an aggregated link. CAUTION: Network loops can occur if aggregated links are manually configured incorrectly, that is, the physical connections do not match the assignment of RSTP is that the configuration decision is made locally rather than network...
... RSTP can detect all network loops you have had time to react to an aggregated link. CAUTION: Network loops can occur if aggregated links are manually configured incorrectly, that is, the physical connections do not match the assignment of RSTP is that the configuration decision is made locally rather than network...
Implementation Guide
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...Marketing needs to communicate with moves and changes. 60 CHAPTER 8: SETTING UP VIRTUAL LANS Figure 14 A network setup showing three VLANs Backbone connecting multiple switches Switch A 1 2 3 4 5 6 7 8 Switch B 1 2 34 5 6 7 8 Development Department VLAN 3 Marketing Department VLAN 1 Finance Department VLAN 2 Benefits of VLANs The main benefit...moved to a port in another part of their time dealing with devices in VLAN Finance, the traffic must be updated manually. With a VLAN setup, if an endstation in VLAN Marketing for example is in the same VLAN. Using VLANs ...
...Marketing needs to communicate with moves and changes. 60 CHAPTER 8: SETTING UP VIRTUAL LANS Figure 14 A network setup showing three VLANs Backbone connecting multiple switches Switch A 1 2 3 4 5 6 7 8 Switch B 1 2 34 5 6 7 8 Development Department VLAN 3 Marketing Department VLAN 1 Finance Department VLAN 2 Benefits of VLANs The main benefit...moved to a port in another part of their time dealing with devices in VLAN Finance, the traffic must be updated manually. With a VLAN setup, if an endstation in VLAN Marketing for example is in the same VLAN. Using VLANs ...
Implementation Guide
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... remote management workstation on setting up your Switch for no IP configuration the Switch will not be configured manually. Automatic IP configuration only operates on the network. ■ Manual IP Configuration - It covers the following topics: ■ How Your Switch Obtains IP Information ■ How Automatic... on the CD-ROM that you can manually input the IP information (IP address, subnet mask, and default gateway). How Your Switch Obtains IP Information Your Switch has two ways to SNMP requests. the Switch attempts to the Management Interface Reference Guide supplied...
... remote management workstation on setting up your Switch for no IP configuration the Switch will not be configured manually. Automatic IP configuration only operates on the network. ■ Manual IP Configuration - It covers the following topics: ■ How Your Switch Obtains IP Information ■ How Automatic... on the CD-ROM that you can manually input the IP information (IP address, subnet mask, and default gateway). How Your Switch Obtains IP Information Your Switch has two ways to SNMP requests. the Switch attempts to the Management Interface Reference Guide supplied...
Implementation Guide
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... important points to contact a DHCP server on the network and working correctly it responds to the process outlined. You can switch to manual IP configuration at any other options configured in use the following operating systems: ■ Microsoft Windows 2000 Server ■ Microsoft...USING AUTOMATIC IP CONFIGURATION How Automatic IP Configuration Works When your Switch is powered up for IP configuration (manual, auto, none) was last configured is activated when the Switch powers up the IP information. If your Switch. Automatic Process To detect its IP address whilst in the ...
... important points to contact a DHCP server on the network and working correctly it responds to the process outlined. You can switch to manual IP configuration at any other options configured in use the following operating systems: ■ Microsoft Windows 2000 Server ■ Microsoft...USING AUTOMATIC IP CONFIGURATION How Automatic IP Configuration Works When your Switch is powered up for IP configuration (manual, auto, none) was last configured is activated when the Switch powers up the IP information. If your Switch. Automatic Process To detect its IP address whilst in the ...
Implementation Guide
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...; Defines the network and subnetwork numbers of a router interface configuration. 84 CHAPTER 11: IP ROUTING Benefits of segmentation in your Switch, more than one port can connect to the same subnetwork. If a router in a complex network setup for sending devices to... to transmit packets: ■ Router Interfaces ■ Routing Tables ■ Layer 3 Switching ■ Multiple IP Interfaces per VLAN Router Interfaces A router interface connects the router to manually intervene. On your network without creating new subnetworks or assigning new network addresses. Instead, ...
...; Defines the network and subnetwork numbers of a router interface configuration. 84 CHAPTER 11: IP ROUTING Benefits of segmentation in your Switch, more than one port can connect to the same subnetwork. If a router in a complex network setup for sending devices to... to transmit packets: ■ Router Interfaces ■ Routing Tables ■ Layer 3 Switching ■ Multiple IP Interfaces per VLAN Router Interfaces A router interface connects the router to manually intervene. On your network without creating new subnetworks or assigning new network addresses. Instead, ...
Implementation Guide
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... gateway IP address and interface number. Routes are useful in response to network topology changes, manually configure only a small number of the routes that do not time out, but they can be switched or routed. Layer 3 Switching Layer 3 switching is forwarded according to forward packets that are generated with network changes and allows the...
... gateway IP address and interface number. Routes are useful in response to network topology changes, manually configure only a small number of the routes that do not time out, but they can be switched or routed. Layer 3 Switching Layer 3 switching is forwarded according to forward packets that are generated with network changes and allows the...
Implementation Guide
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... packets, the gateway determines the next network hop on your network, enter the IP address 0.0.0.0 or leave the field blank. An alternative name for the Switch, enter the IP address of the default gateway on your network which is attached to that is located. If no default gateway exists on the... 100.100.100.100/8 100.100.100.100/16 100.100.100.100/24 The subnet mask 255.255.255.255 identifies a specific host. If manually configuring IP information for a gateway is used to forward IP packets to a gateway which is a Router. The IP address 255.255.255.255 is in...
... packets, the gateway determines the next network hop on your network, enter the IP address 0.0.0.0 or leave the field blank. An alternative name for the Switch, enter the IP address of the default gateway on your network which is attached to that is located. If no default gateway exists on the... 100.100.100.100/8 100.100.100.100/16 100.100.100.100/24 The subnet mask 255.255.255.255 identifies a specific host. If manually configuring IP information for a gateway is used to forward IP packets to a gateway which is a Router. The IP address 255.255.255.255 is in...
Implementation Guide
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... features and benefits 84 OSI reference model 83 router, interface 84 routing table 85, 86 transmission process 83 types of routes 89 L learn RIP mode 91 learned SDB entries 46 M MAC (Media Access Control) addresses IP address 108 located with ARP 94 use in IP routing 96 management IP interface 85... manual configuration 67 masks subnet 88, 110 Matrix (RMON group) 57 Max Age 40 metric, RIP 85 multicast filtering 29 IGMP 31 multicasts, description 29 multiple ...
... features and benefits 84 OSI reference model 83 router, interface 84 routing table 85, 86 transmission process 83 types of routes 89 L learn RIP mode 91 learned SDB entries 46 M MAC (Media Access Control) addresses IP address 108 located with ARP 94 use in IP routing 96 management IP interface 85... manual configuration 67 masks subnet 88, 110 Matrix (RMON group) 57 Max Age 40 metric, RIP 85 multicast filtering 29 IGMP 31 multicasts, description 29 multiple ...