Implementation Guide
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...Example 30 3 USING MULTICAST FILTERING What is an IP Multicast? 33 Benefits of Multicast 34 Multicast Filtering 34 Multicast Filtering and Your Switch 35 IGMP Multicast Filtering 36 How IGMP Supports IP Multicast 37 Electing the Querier 37 Host Messages 37 Response to Queries 37 Role of...45 STP Example 45 STP Configurations 46 Using STP on a Network with Multiple VLANs 48 5 USING THE SWITCH DATABASE What is the Switch Database? 49 How Switch Database Entries Get Added 49 Switch Database Entry States 50 Manual Configuration Example 29 Jumbo Frames 30 Implementing Jumbo Frames 30 Jumbo Frames -
...Example 30 3 USING MULTICAST FILTERING What is an IP Multicast? 33 Benefits of Multicast 34 Multicast Filtering 34 Multicast Filtering and Your Switch 35 IGMP Multicast Filtering 36 How IGMP Supports IP Multicast 37 Electing the Querier 37 Host Messages 37 Response to Queries 37 Role of...45 STP Example 45 STP Configurations 46 Using STP on a Network with Multiple VLANs 48 5 USING THE SWITCH DATABASE What is the Switch Database? 49 How Switch Database Entries Get Added 49 Switch Database Entry States 50 Manual Configuration Example 29 Jumbo Frames 30 Implementing Jumbo Frames 30 Jumbo Frames -
Implementation Guide
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...half duplex mode, and is reset to its factory default settings before you restore a configuration onto it. Important Considerations ■ 3Com recommends the Switch unit is implemented using the IEEE Std 802.3-2002 (incorporating 802.3x) on all ports and the aggregated links created automatically. ...device which has the same physical connections and configuration, as a file on the ports that is different. ■ The configuration of your Switch to be manually placed in an readable ASCII text file. You must only be restored or saved by a single user at a time. ■ When...
...half duplex mode, and is reset to its factory default settings before you restore a configuration onto it. Important Considerations ■ 3Com recommends the Switch unit is implemented using the IEEE Std 802.3-2002 (incorporating 802.3x) on all ports and the aggregated links created automatically. ...device which has the same physical connections and configuration, as a file on the ports that is different. ■ The configuration of your Switch to be manually placed in an readable ASCII text file. You must only be restored or saved by a single user at a time. ■ When...
Implementation Guide
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... storms. Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to only the endstations that accompanies your network more resilient to which multicast traffic should be set up as manual aggregations with the aggregated link disabled. For ...example, LACP automatic aggregations with that makes your Switch. For detailed descriptions of the configuration. Rapid Spanning Tree Protocol Rapid Spanning...
... storms. Multicast Filtering Multicast filtering allows the Switch to forward multicast traffic to only the endstations that accompanies your network more resilient to which multicast traffic should be set up as manual aggregations with the aggregated link disabled. For ...example, LACP automatic aggregations with that makes your Switch. For detailed descriptions of the configuration. Rapid Spanning Tree Protocol Rapid Spanning...
Implementation Guide
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...being restricted by physical connections - The Switch software continually collects statistics about the ... information automatically configured using a Configuration DHCP server. Automatic IP Your Switch can segment your workstation on the same physical segment. For more ...feature works, see Chapter 7 "Status Monitoring and Statistics". 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is a flexible group of traditional... according to the Switch. If you can have a management workstation with an RMON management application, the Switch can transfer these ...
...being restricted by physical connections - The Switch software continually collects statistics about the ... information automatically configured using a Configuration DHCP server. Automatic IP Your Switch can segment your workstation on the same physical segment. For more ...feature works, see Chapter 7 "Status Monitoring and Statistics". 20 CHAPTER 1: SWITCH FEATURES OVERVIEW RMON Remote Monitoring (RMON) is a flexible group of traditional... according to the Switch. If you can have a management workstation with an RMON management application, the Switch can transfer these ...
Implementation Guide
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...inhibiting the transmitting port from generating more information, see the Getting Started Guide that prevents packet loss during periods of congestion on the Switch. Auto-negotiation Auto-negotiation allows ports to full duplex or half duplex accordingly. You can also modify the capabilities that is done automatically... maximum capabilities - Ports operating at either end of a link support auto-negotiation, this is , cross-over or straight-through need to be manually set to automatically determine the best port speed, duplex-mode (only at 1000 Mbps support full duplex mode only.
...inhibiting the transmitting port from generating more information, see the Getting Started Guide that prevents packet loss during periods of congestion on the Switch. Auto-negotiation Auto-negotiation allows ports to full duplex or half duplex accordingly. You can also modify the capabilities that is done automatically... maximum capabilities - Ports operating at either end of a link support auto-negotiation, this is , cross-over or straight-through need to be manually set to automatically determine the best port speed, duplex-mode (only at 1000 Mbps support full duplex mode only.
Implementation Guide
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.... ■ The operation of 802.3ad link aggregation are extremely resilient and fault-tolerant. Figure 2 Dynamic Reassignment of Traffic Flows B A Switch Y Z Switch X X X B0 Physical Link 1 YA X B1 Physical Link 2 Aggregated Link The key benefits of 802.3ad can interoperate with 802....data flow between X and B is the physical links, form an aggregated link. Network management does not need to manually configure the aggregated links as the Switch detects that link is dynamically reassigned to three seconds. ■ Compatibility - 26 CHAPTER 2: OPTIMIZING BANDWIDTH If a...
.... ■ The operation of 802.3ad link aggregation are extremely resilient and fault-tolerant. Figure 2 Dynamic Reassignment of Traffic Flows B A Switch Y Z Switch X X X B0 Physical Link 1 YA X B1 Physical Link 2 Aggregated Link The key benefits of 802.3ad can interoperate with 802....data flow between X and B is the physical links, form an aggregated link. Network management does not need to manually configure the aggregated links as the Switch detects that link is dynamically reassigned to three seconds. ■ Compatibility - 26 CHAPTER 2: OPTIMIZING BANDWIDTH If a...
Implementation Guide
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...that is assigned to one 10/100/1000 port. ■ A LinkUp / LinkDown trap will override the manual configuration. ■ LACP Automatic Aggregations - Aggregated Links and Your Switch When any port is fiber and/or twisted pair ports within the same aggregated link. ■ The member ...link ports must be configured as members of member links in two ways: ■ Manual Aggregations - However, if a port has ...
...that is assigned to one 10/100/1000 port. ■ A LinkUp / LinkDown trap will override the manual configuration. ■ LACP Automatic Aggregations - Aggregated Links and Your Switch When any port is fiber and/or twisted pair ports within the same aggregated link. ■ The member ...link ports must be configured as members of member links in two ways: ■ Manual Aggregations - However, if a port has ...
Implementation Guide
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if you do not, a loop may be created. ■ When manually creating an aggregated link between a given pair of serious network issues such as possible. The traffic is distributed across the individual links that make up ... to the other end. Therefore, when a packet is distributed to configure the aggregated link at both ends of -sequence packets (or "packet re-ordering"), the Switch ensures that port by the aggregated link port at the other links in the aggregated link. This means that a significant amount of the link. If...
if you do not, a loop may be created. ■ When manually creating an aggregated link between a given pair of serious network issues such as possible. The traffic is distributed across the individual links that make up ... to the other end. Therefore, when a packet is distributed to configure the aggregated link at both ends of -sequence packets (or "packet re-ordering"), the Switch ensures that port by the aggregated link port at the other links in the aggregated link. This means that a significant amount of the link. If...
Implementation Guide
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... Example The example shown in Figure 3 illustrates a 2 Gbps aggregated link between two Switch units To manually set up this : a Check that is, each port is operating at 1000 Mbps, full duplex). To do this configuration on a Switch 3848: 1 Prepare ports 5 and 7 on the specified unit to the aggregated link. Figure 3 A 2 Gbps aggregated link between...
... Example The example shown in Figure 3 illustrates a 2 Gbps aggregated link between two Switch units To manually set up this : a Check that is, each port is operating at 1000 Mbps, full duplex). To do this configuration on a Switch 3848: 1 Prepare ports 5 and 7 on the specified unit to the aggregated link. Figure 3 A 2 Gbps aggregated link between...
Implementation Guide
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... of the Root Bridge flows through the Designated Bridge. All other relevant parameters, each LAN segment. CAUTION: Network loops can detect all aggregated links are manually configured incorrectly, that is , the one with the lowest Bridge Identifier becomes the Designated Bridge.
... of the Root Bridge flows through the Designated Bridge. All other relevant parameters, each LAN segment. CAUTION: Network loops can detect all aggregated links are manually configured incorrectly, that is , the one with the lowest Bridge Identifier becomes the Designated Bridge.
Implementation Guide
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... subnet membership, you with devices in VLAN Finance, the traffic must be updated manually. 64 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...cabling. ■ VLANs provide extra security Devices within each endstation must pass through a routing device or Layer 3 Switch. Using VLANs also provides you only need to a different subnetwork, the addresses of each VLAN can only communicate ...
... subnet membership, you with devices in VLAN Finance, the traffic must be updated manually. 64 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...cabling. ■ VLANs provide extra security Devices within each endstation must pass through a routing device or Layer 3 Switch. Using VLANs also provides you only need to a different subnetwork, the addresses of each VLAN can only communicate ...
Implementation Guide
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... USING AUTOMATIC IP CONFIGURATION How Your Switch Obtains IP Information Your Switch has two ways to the process outlined. If your Switch. In addition, the Switch will not be able to respond to contact a DHCP server on the network. ■ Manual IP Configuration - Automatic Process To ...option for IP configuration (manual, auto, none) was last configured is the default setting. You can manually input the IP information (IP address, subnet mask, and default gateway). this is activated when the Switch powers up the IP information. The Switch attempts to set to the...
... USING AUTOMATIC IP CONFIGURATION How Your Switch Obtains IP Information Your Switch has two ways to the process outlined. If your Switch. In addition, the Switch will not be able to respond to contact a DHCP server on the network. ■ Manual IP Configuration - Automatic Process To ...option for IP configuration (manual, auto, none) was last configured is the default setting. You can manually input the IP information (IP address, subnet mask, and default gateway). this is activated when the Switch powers up the IP information. The Switch attempts to set to the...
Implementation Guide
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...important points to be sent if the IP and Traps address configuration is changed manually. Event Log Entries An event log will be generated and an SNMP trap will be the method for automatic configuration, make sure that a Switch may change its IP address whilst in use. Server Support Your... Switch has been tested to interoperate with DHCP servers that use the following operating systems: ■ Microsoft Windows 2000 ...
...important points to be sent if the IP and Traps address configuration is changed manually. Event Log Entries An event log will be generated and an SNMP trap will be the method for automatic configuration, make sure that a Switch may change its IP address whilst in use. Server Support Your... Switch has been tested to interoperate with DHCP servers that use the following operating systems: ■ Microsoft Windows 2000 ...
Implementation Guide
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...on the local subnet in a different network segment. This could either be the remote destination or another gateway closer towards the destination. If manually configuring IP information for a gateway is not directly attached to the same network segment as the default broadcast address. "Remote" refers to a... destination device that hop. This hop-by-hop process continues until the IP packets reach the remote destination. An alternative name for the Switch, enter the IP address of the default gateway on the path to the remote destination, and sends the packets to that is a Router...
...on the local subnet in a different network segment. This could either be the remote destination or another gateway closer towards the destination. If manually configuring IP information for a gateway is not directly attached to the same network segment as the default broadcast address. "Remote" refers to a... destination device that hop. This hop-by-hop process continues until the IP packets reach the remote destination. An alternative name for the Switch, enter the IP address of the default gateway on the path to the remote destination, and sends the packets to that is a Router...
Implementation Guide
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... 33 IP routing address classes 93 J jumbo frames 30 L learned SDB entries 50 M MAC (Media Access Control) addresses IP address 92 manual configuration 72 masks subnet 94 Matrix (RMON group) 61 Max Age 44 multicast filtering 33 IGMP 36 multicasts, description 33 N network addresses 91...profile 53 R RADIUS 81, 83 authentication 82 Rapid Spanning Tree Protocol (RSTP) 18, 40 registered IP address, obtaining 92 Remote Monitoring. See Switch Database security network 75 segment, maximum length 86 Spanning Tree Protocol, see STP 40 Statistics (RMON group) 60, 61 STP 40 avoiding the subdivision...
... 33 IP routing address classes 93 J jumbo frames 30 L learned SDB entries 50 M MAC (Media Access Control) addresses IP address 92 manual configuration 72 masks subnet 94 Matrix (RMON group) 61 Max Age 44 multicast filtering 33 IGMP 36 multicasts, description 33 N network addresses 91...profile 53 R RADIUS 81, 83 authentication 82 Rapid Spanning Tree Protocol (RSTP) 18, 40 registered IP address, obtaining 92 Remote Monitoring. See Switch Database security network 75 segment, maximum length 86 Spanning Tree Protocol, see STP 40 Statistics (RMON group) 60, 61 STP 40 avoiding the subdivision...