User Guide
Page 7
... Plus (3CBLSF26) Baseline Switch 2426-PWR Plus (3CBLSF26PWR) Baseline Switch 2250-SFP Plus (3CBLSF50) Unless noted otherwise, the features, specifications and procedures described hereafter are provided for installing and setting up network equipment; Where features vary significantly between the switches, examples are shared by those responsible for each. Device drawings, screen captures and command line interface examples are shipped with your 3Com Switch...
... Plus (3CBLSF26) Baseline Switch 2426-PWR Plus (3CBLSF26PWR) Baseline Switch 2250-SFP Plus (3CBLSF50) Unless noted otherwise, the features, specifications and procedures described hereafter are provided for installing and setting up network equipment; Where features vary significantly between the switches, examples are shared by those responsible for each. Device drawings, screen captures and command line interface examples are shipped with your 3Com Switch...
User Guide
Page 38
... IP address, subnet mask and default gateway details that the Switch assigns to itself . 3Com recommends assigning an IP address to the Switch (either by using DHCP or a static IP address) to ensure successful communication between the Switch and other network devices. The Backup Configuration screen appears. IP...obtain an IP address from a DHCP server. To assign a manual IP address, select the manual button and enter your specific details then click on the menu. The Switch also assigns the subnet mask 255.255.0.0 (default class B mask) to itself during auto IP configuration, refer to ...
... IP address, subnet mask and default gateway details that the Switch assigns to itself . 3Com recommends assigning an IP address to the Switch (either by using DHCP or a static IP address) to ensure successful communication between the Switch and other network devices. The Backup Configuration screen appears. IP...obtain an IP address from a DHCP server. To assign a manual IP address, select the manual button and enter your specific details then click on the menu. The Switch also assigns the subnet mask 255.255.0.0 (default class B mask) to itself during auto IP configuration, refer to ...
User Guide
Page 43
SNMP is a communication protocol designed specifically for proper operation in a network environment, as well as to monitor them to evaluate performance or detect potential problems. Click Administration, then SNMP on the ... Screen Administration Settings 43 SNMP Simple Network Management Protocol (SNMP) is typically used to configure these user definable fields to help identify your switch. A screen appears with SNMP includes switches, routers and host computers. Figure 26 System Name Screen System Time Click Administration, then System Time on the menu. System Name Use...
SNMP is a communication protocol designed specifically for proper operation in a network environment, as well as to monitor them to evaluate performance or detect potential problems. Click Administration, then SNMP on the ... Screen Administration Settings 43 SNMP Simple Network Management Protocol (SNMP) is typically used to configure these user definable fields to help identify your switch. A screen appears with SNMP includes switches, routers and host computers. Figure 26 System Name Screen System Time Click Administration, then System Time on the menu. System Name Use...
User Guide
Page 45
... ports on the menu. Communication between different VLANs can only take place if they are all VLANs. You can create up to 256 VLANs, add specific ports to a chosen VLAN (so that include: ■ Setup ■ Modify VLAN ■ Modify Port ■ Rename ■ Remove ■ Port Detail ■ VLAN Detail... You can only communicate with seven tabs that the port can use the Switch to create VLANs to organize any group of multiple or even all connected to a router or layer...
... ports on the menu. Communication between different VLANs can only take place if they are all VLANs. You can create up to 256 VLANs, add specific ports to a chosen VLAN (so that include: ■ Setup ■ Modify VLAN ■ Modify Port ■ Rename ■ Remove ■ Port Detail ■ VLAN Detail... You can only communicate with seven tabs that the port can use the Switch to create VLANs to organize any group of multiple or even all connected to a router or layer...
User Guide
Page 54
... to ensure that it will then become the root device. Figure 42 Spanning Tree Port Setup Screen IGMP Snooping & Query This switch uses IGMP (Internet Group Management Protocol) to receive a specific multicast service. Enables and disables edged port for the port. ■ Edged Port - The path cost is used to determine the...
... to ensure that it will then become the root device. Figure 42 Spanning Tree Port Setup Screen IGMP Snooping & Query This switch uses IGMP (Internet Group Management Protocol) to receive a specific multicast service. Enables and disables edged port for the port. ■ Edged Port - The path cost is used to determine the...
User Guide
Page 70
... Switch. To set a monitor port (the port that is connected to the analyzer), and a mirror port (the port that is defined, and you to monitor traffic going in the address table will copy the entire contents of a particular port. You can display the address table to one port and use with a specific... or VLAN. For traffic monitoring to work, you need to set up traffic monitoring, you need to attach a network analyzer to find specific MAC addresses, or view MAC addresses associated with other ports on any entry in and out of the address table into the clipboard for use ...
... Switch. To set a monitor port (the port that is connected to the analyzer), and a mirror port (the port that is defined, and you to monitor traffic going in the address table will copy the entire contents of a particular port. You can display the address table to one port and use with a specific... or VLAN. For traffic monitoring to work, you need to set up traffic monitoring, you need to attach a network analyzer to find specific MAC addresses, or view MAC addresses associated with other ports on any entry in and out of the address table into the clipboard for use ...
User Guide
Page 101
...-TX half duplex, 10BASE-T full duplex, and 10BASE-T half duplex. GLOSSARY 10BASE-T The IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable. 100BASE-TX The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted-pair cable. 1000BASE-LX IEEE 802.3z.../125 or 62.5/125 micron core multimode fiber cable. 1000BASE-T IEEE 802.3ab specification for the 1000BASE-T ports to use the best common speed. Auto-negotiation Auto-negotiation is efficiently exchanged between Switches in a few milliseconds. Auto-negotiation is defined in the IEEE 802.3 standard ...
...-TX half duplex, 10BASE-T full duplex, and 10BASE-T half duplex. GLOSSARY 10BASE-T The IEEE specification for 10 Mbps Ethernet over Category 3, 4 or 5 twisted pair cable. 100BASE-TX The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted-pair cable. 1000BASE-LX IEEE 802.3z.../125 or 62.5/125 micron core multimode fiber cable. 1000BASE-T IEEE 802.3ab specification for the 1000BASE-T ports to use the best common speed. Auto-negotiation Auto-negotiation is efficiently exchanged between Switches in a few milliseconds. Auto-negotiation is defined in the IEEE 802.3 standard ...
User Guide
Page 102
... system that assigns IP addresses to workstations on your network. 102 GLOSSARY Category 3 Cables One of five grades of up to 1000 Mbps. Ethernet A LAN specification developed jointly by the EIA/TIA-568 standard. Gigabit Ethernet An Ethernet system that is voice grade cable and can transmit data at speeds of...
... system that assigns IP addresses to workstations on your network. 102 GLOSSARY Category 3 Cables One of five grades of up to 1000 Mbps. Ethernet A LAN specification developed jointly by the EIA/TIA-568 standard. Gigabit Ethernet An Ethernet system that is voice grade cable and can transmit data at speeds of...
User Guide
Page 108
108 INDEX P password changing 40 default (blank) 40 setting 36 port settings configuring 56, 60, 66 positioning the Switch 18 POST 21 protocol defined 104 R repair authorization number by FAX, Asia and Pacific Rim 81 resetting to factory defaults 75 RJ-45 defined...104 S server defined 105 SFP transceivers approved (supported) 22 inserting 22 removing 23 spot checks 23 subnet mask 105 Switch positioning 18 switch defined 105 T TCP/IP 103 defined 105 technical specifications 83 traffic 105 monitoring 66, 70 troubleshooting 75 LED-related issues 76 POST failed 21 trunking See link aggregation U ...
108 INDEX P password changing 40 default (blank) 40 setting 36 port settings configuring 56, 60, 66 positioning the Switch 18 POST 21 protocol defined 104 R repair authorization number by FAX, Asia and Pacific Rim 81 resetting to factory defaults 75 RJ-45 defined...104 S server defined 105 SFP transceivers approved (supported) 22 inserting 22 removing 23 spot checks 23 subnet mask 105 Switch positioning 18 switch defined 105 T TCP/IP 103 defined 105 technical specifications 83 traffic 105 monitoring 66, 70 troubleshooting 75 LED-related issues 76 POST failed 21 trunking See link aggregation U ...