Linksys Etherfast manuale d’uso

EtherFast ® Managed 24-Port with Dual Gigabit Switch Use this guide to install: Linksys EtherFast ® Managed 24-P ort with Dual Gigabit Switch (EF24G2M) User Guide Instant EtherFast ® Series[...]

COPYRIGHT & TRADEMARKS Copyright © 2001 Linksys, All Rights Reserved. EtherFast is a register ed trademark of Linksys. Microsoft, Windows, and the Windows logo ar e registered trademarks of Microsoft Corporation. All other trademarks and brand names ar e the property of their respective pr oprietors. LIMITED W ARRANTY Linksys guarantees that e[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 1 EtherFast ® Series T able of Contents Introduction 1 Package Contents 2 Getting to Know the Switch 3 LEDs 3 The RJ-45 P orts 5 The Gigabit P orts 5 The Console P ort 5 Installing the Switch 6 Pre-Installation Considerations 6 Rack-Mounting the Switch 7 P o w ering on the Switch 7 Uplinking th[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 3 EtherFast ® Series • One EtherF ast ® Managed 24-P ort with Dual Gigabit Switch • One P o w er Cord • Mounting Brackets (not sho wn) • One Serial/Console Cable (not sho wn) • User Guide • Registration Card (not sho wn) 2 Getting to Know the Switch Power ( Gr een ) The LED will il[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 5 The EtherF ast ® Managed 24-P ort with Dual Gigabit Switch is equipped with tw enty-four 10/100 RJ-45 por ts. These RJ-45 ports suppor t netw ork speeds of either 10-100Mbps in half-duplex mode, or 20-200Mbps in full-duple x mode. Auto-sensing technolo gy enables each port to automatically de[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch The EtherF ast ® Managed 24-P ort with Dual Gigabit Switch can be used as a free-standing unit, or installed in an y standard 19-inch rack. Use the follo wing instructions to rack-mount the Switch: Before you be gin, disconnect all cables from the Switch. 1. Place the Switch right side up, with[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 2. The follo wing screen will appear . Enter a Name for this connection. In the example below , the name of the connection is EF24G2M. Click the OK button. 3. The follo wing screen will appear . In the bottom drop do wn bo x labeled Connect using: , click the ar ro w and choose the COM por t tha[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 11 EtherFast ® Series 10 T elnet Management T elnet management is a v ailable after the Switch has been conf igured with a v alid IP address, subnet mask, and default gatew ay (for La y er 2 mode) via the console interface. Use telnet from any computer attached to the netw ork. SNMP/RMON Manage[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 13 EtherFast ® Series Configuring the Switch The Switch’ s menu-driven conf iguration program may be conf igured using the local console, a W eb bro wser , telnet, or SNMP/RMON. The remote man- agement methods can be used once the IP parameters ha ve been set via the local console. When loggi[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 15 EtherFast ® Series • Network Monitor Men u - Pro vides access to port statistics, RMON statis- tics, address tables, VLAN registration and forwarding information, multi- cast groups, and subnet addresses. • System Restart Menu - Resets the management agent. • Exit - Exits the pro g ram[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch EtherFast ® Series 17 The Management Setup Menu screen allo ws you to adjust the communication parameters, ensuring a reliable connection. The new administrator pass w ord is set through this menu. The IP parameters for W eb, telnet, or SNMP/RMON management are set here as w ell. • Netw ork C[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch EtherFast ® Series 19 IP Conf iguration The IP Conf iguration menu allo ws you to conf igure the IP parameters. (Only displa y ed in La yer 2 mode) • Interface T ype - Indicates IP o ver Ethernet. • IP Addr ess - IP address of the Switch you are managing. The system supports SNMP o ver UDP/[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch EtherFast ® Series HTTP Conf iguration The HTTP Conf iguration screen allows y ou to enable or disab le W eb man- agement. Note: P ort 80 is used for HTTP ser vice. Select A pply to make changes. Select OK to return to the previous panel. Select Cancel to cancel an y changes. 21 IP Connectivity[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch EtherFast ® Series SNMP Conf iguration The SNMP Conf iguration screen displays parameters for the Simple Netw ork Management Protocol (SNMP). • Send A uthentication F ail T raps - Issue a trap message to specif ied IP trap managers whene ver authentication of an SNMP request fails. Default is[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch EtherFast ® Series IP T rap Manag ers The IP Trap Managers screen specif ies management stations that will recei ve authentication failure messages or other trap messages from the Switch. Up to f iv e trap managers ma y be entered. • IP Address - IP address of the trap manager . • Comm unit[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Add User The Add User screen allo ws y ou to add a user . • User Name - Specif ies user authorized management access to the Switch via the console, telnet, or the W eb . • P assw ord - Sets up the pass w ord for the new user . • Access Right - ADMIN: Read/Write for all screens. GUEST: Read[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Conf iguration File The Conf iguration File screen allo ws y ou to load a conf iguration f ile on any Switch on the netw ork. • Station IP - IP address of the Switch you w ant the conf iguration f ile to be sent to. • Operation - Gi ves y ou the choice of do wnloading the conf iguration f il[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Note: This screen shots sho ws the Device Control Menu displa y ed by a La y er 2 switch. • IGMP Snooping Conf iguration - Conf igures IGMP multicast f iltering. (Only displa y ed for La y er 2 mode. When the Switch is in multila yer mode, IGMP Snooping Conf iguration is av ailable through the[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch La y er 2 Menu The La yer 2 Menu contains options for port conf iguration, por t mir roring, and port tr unking. • P ort Conf iguration - Enables an y port, enables/disables flo w control, and sets communication mode to auto-negotiation, full duple x, or half duplex. • Mirr or P ort Conf igu[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch connected directly to the Switch w hen its buf fers f ill. When enab led , back pressure is used for half duplex and IEEE 802.3x for full duple x. Note: Flo w control should not be used if a port is connected to a hub. • Jack T ype - Sho ws the jack type for each port. Ports 1-26 are RJ-45. Se[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Static Unicast Address Configuration The Static Unicast Address T ab le can be used to assign the MA C address for a host device to a specif ic por t on this Switch. Static unicast addresses are nev er aged out, and cannot be learned on another por t. • Addr ess - The MA C address of a host de[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Static Multicast Address Configuration The Static Multicast Address T ab le can be used to assign a destination MA C address (and the cor responding ports) to the VLAN g roup used for a specif ic multicast service. Static multicast addresses are never aged out, and traf f ic with these addresses[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Bridge Men u The Bridge Menu is used to conf igure settings for the Spanning T ree Algorithm, as w ell as the global bridge settings for GMRP (GARP Multicast Registration Protocol) and GVRP (GARP VLAN Registration Protocol), traf- f ic classes priority threshold , and address aging time. • Bri[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • GVRP - GVRP def ines a wa y for s witches to exchange VLAN informa- tion in order to register VLAN members on por ts across the network. This function should be enabled to permit automatic VLAN registration, and to support VLANs which extend be yond the local s witch. • Priority Thr eshold[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 45 EtherFast ® Series priority , the port with the low est numeric identif ier will be enabled. The range is 0-255. • Cost - This parameter is used b y the ST A algorithm to determine the best path betw een devices. Therefore, low er v alues should be assigned to ports attached to f aster med[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch VLAN T able Conf iguration The VLAN T able Conf iguration screen is used to create a new VLAN or modify the settings for an existing VLAN. • VLAN - The ID for the VLAN currently displa y ed. The range is 1-2048. • Po r t - P or t entries ma y be marked as: – (Normal) Uses GVRP to deter min[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Subnet Conf iguration The Subnet Conf iguration screen allo ws you to specify an IP interface for any VLAN conf igured on this Switch that needs to communicate with a device outside of its o wn g roup (that is, another network se gment). • IP Address - The IP address associated with the specif[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Protocol Configuration The Protocol Conf iguration screen is used to globally enab le or disable unicast or multicast routing protocols for the Switch. • ARP - Address Resolution Protocol. Select Ad v anced for additional conf iguration. • Pr o xy ARP - Pro xy Address Resolution Protocol. ?[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch RIP Conf iguration The RIP Conf iguration screen allows y ou to specify the ho w routers exchange routing tab le infor mation. • RIP Update Time - Duration of timeout (in seconds). • Default Route Ad vertisement - Default route messages. • Static Route Ad vertisement - Static route message[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Static ARP T ab le The Static ARP T able screen is used to specify the static Address Resolution Protocol. • IP Address - IP address statically mapped to a ph ysical MA C address. • MA C Addr ess - MA C address statically mapped to the corresponding IP address. • Interface - The index numb[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Static Route T able The Static Route T able screen is used to conf igure a static route. • Destination Netw ork - A destination netw ork, subnet, or host. • Destination Mask - The subnet mask that specif ies the bits to match. A routing entry will be used for a packet if the bits in the addr[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Default Route Men u The Default Route Menu screen is used to def ine a route to which this Switch will forw ard all traff ic for unkno wn netw orks. • VLAN - The VLAN w hich has the IP interface to the default router . • Next Hop Ad dress - The IP address of the def ault router . • Metric [...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch MA C Filtering Configuration The MA C Filtering Conf iguration screen allo ws you to f ilter out specif ied MA C addresses. An y node that presents a security risk or is malfunction- ing can be f iltered from this Switch. Security f iltering can be used to drop all the traff ic from a host devic[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 63 EtherFast ® Series Add MA C Address F ilter The Add MA C Address Filter screen allo ws y ou to add MAC addresses. • MA C Addr ess - The MA C address of a host de vice attached to this Switch. Select OK to conf irm the changes. Select Cancel to cancel any changes. Security Mode The Security[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch The Netw ork Monitor Menu pro vides access to port statistics, RMON statis- tics, address tables, VLAN registration and forwarding information, multicast groups, and subnet addresses. Note: This screenshot sho ws the Netw ork Monitor Menu displa yed b y a La yer 2 s witch. • P ort Statistics/S[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch P ort Statistics P ort Statistics display ke y statistics from the Interfaces Group and Ethernet-like MIBs for each por t. Er ror statistics on the traff ic passing through each port are display ed. This information can be used to identify potential problems with the Switch (such as a faulty por[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • Dr op Events - The total number of events in w hich packets w ere dropped due to lack of resources. • Octets - Number of octets passing through this port. • Multiple Collisions - A count of successfull y transmitted frames for which transmission is inhibited b y more than one collision. [...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • Undersize F rames - The total number of frames received that w ere less than 64 octets long (excluding framing bits, but including FCS octets) and w ere otherwise w ell for med. • Ov ersize F rames - The total number of frames recei ved that w ere longer than 1518 octets long (excluding fr[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Bridge Men u The Bridge Menu is used to displa y settings for the Spanning T ree Algorithm, as w ell as the global bridge settings for GMRP (GARP Multicast Registration Protocol) and GVRP (GARP VLAN Registration Protocol), traf f ic classes priority threshold , and address aging time. • Spanni[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • Root Cost - The path cost from the root port on this Switch to the root device. • Root P ort - The number of the port on this Switch that is closest to the root. This Switch communicates with the root de vice through this por t. If there is not root port, then this Switch has been accepted[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch VLAN Inf ormation The VLAN Information screen offers access to information on the por ts that ha ve been automaticall y lear ned via GVRP and all the ports that hav e been conf igured by dynamic or static means to forw ard VLAN traff ic. • VLAN Dynamic Registration Information - Sho ws the por[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch VLAN F orw arding Inf ormation The VLAN F orwarding Information screen sho ws all the ports that hav e been conf igured by either dynamic or static means to forw ard VLAN traf- f ic. • VLAN - The ID for the VLAN . • Po r t - The ports on the Switch. Read the numbers ver tically; the y range [...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Select Appl y to make changes. Select OK to return to the previous panel. Select Prev Page to view the pre vious page. Select Next P ag e to vie w the next page. T o displa y a specif ic page, set the page number in the Page f ield and then press A pply . IP Menu The IP Menu displays information[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch ARP T able The ARP T able sho ws the IP-to-MA C addresses disco vered b y ARP . • IP Address - IP addresses for w hich ARP has resolved the ph ysical address through a broadcast message. • MA C Addr ess - MA C address that maps to the cor responding IP address. • VLAN - The VLAN group this[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • Pr otocol - Ho w the route was learned. Local: Manually conf igured Mgmt: Set via SNMP ICMP: Obtained via ICMP redirect RIP: Learned via RIP protocol Other: Learned by some other method Select A pply to make changes. Select OK to return to the previous panel. Select Prev Page to view the pre[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch • Expir e - The time remaining before this entry will be aged out. (The default is 260 seconds.) • V1 Timer - The time remaining until the Switch assumes that there are no longer any IGMP V ersion 1 members on the IP subnet attached to this interface. (The default is 400 seconds.) If the Swi[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch D VMRP Routing T able The D VMRP Routing T able sho ws the routes for the Distance- V ector Multicast Routing Protocol. • Sour ce Addr ess - The IP subnetw ork at the root of the multicast deliv ery tree. This subnetw ork contains a kno wn multicast source. • Mask - Subnet mask that is used [...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch The System Restart Menu resets the management agent. • Reload F actory Defaults - Reloads the factory defaults. • [Restart] - Restar ts the Switch. Note : When restar ting the system, it will al wa ys run the P ow er -On Self- T est. It will also retain all system information, unless you sel[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch T roubleshooting This section pro vides possible solutions to prob lems regarding the installation and operation of the Managed 24-P ort with Dual Gigabit Switch. If your situ- ation is described here, the problem should be solv ed by appl ying the cor re- sponding solution. If you can’ t f in[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch Console P ort to 25-Pin DTE Port on PC 95 EtherFast ® Series 3. I can’t access the on-board configuration program via a serial port configura- tion. • Be sure you ha v e set the ter minal emulator program to VT100 compati- ble, 8 data bits, 1 stop bit, no parity , and 19200 bps. • Check t[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 3. Change your baud rate to the selected v alue, and press Enter to enab le do wnload. From the terminal emulation program, select the f ile you w ant to do wnload , set the protocol to XModem, and then initialize do wnload- ing. Note: If you use W indo ws Hyperter minal, disconnect it. Set the [...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 99 EtherFast ® Series 98 “categories” (the singular is commonl y refer red to as “CA T”) of twisted pair cabling systems (wires, junctions, and connectors) in terms of the data rates that they can sustain. CA T 3 cable has a maximum throughput of 16Mbps and is usually utilized for 10Bas[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch IEEE - The Institute of Electrical and Electronics Engineers. The IEEE describes itself as “the w orld’ s largest technical professional society—promot- ing the de velopment and application of electrotechnology and allied sciences for the benef it of humanity , the adv ancement of the prof[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch STP (Spanning T ree Protocol) - A technolo gy that checks y our netw ork for an y loops. A loop can often occur in complicated or back-up linked netw ork sys- tems. Spanning-tree detects and directs data along the shortest path, maximiz- ing the performance and eff iciency of the netw ork. Stati[...]

EtherFast ® Managed 24-Port with Dual Gigabit Switch 105 EtherFast ® Series 104 W arranty Information BE SURE T O HA VE Y OUR PROOF OF PURCHASE AND A B ARCODE FR OM THE PR ODUCT’S P A CKA GING ON HAND WHEN CALLING. RETURN REQUESTS CANNO T BE PR OCESSED WITHOUT PR OOF OF PURCHASE. IN NO EVENT SHALL LINKSYS’ LIABILITY EXCEED THE PRICE P AID FOR[...]

EtherFast ® Series 106 Contact Information F or help with the installation or operation of this product, contact Linksys Customer Support at one of the phone numbers or Inter net addresses below . Sales Information 800-546-5797 (LINKSYS) T ech Support 888-793-5932 RMA Issues 949-261-1288 Fa x 949-261-8868 Email support@linksys.com We b http://www [...]

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