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9033820-03

VH-2402S2 User Interface 41

Viewing the Current Spanning Tree Configuration

The Spanning Tree Information screen displays a summary of the STA

information for the overall bridge or for a specific port or module. To make

any changes to the parameters for the Spanning Tree, use the Spanning
Tree Configuration menu.

Figure 2-29. Spanning Tree Information

FastForwarding

ENABLED

This parameter is used to enable/disabled the Fast
Spanning Tree mode for the port. In this mode,
ports skip the Blocked, Listening and Learning
states and proceed straight to Forwarding.
FastForwarding enables end-node workstations
and servers to overcome time-out problems when
the Spanning Tree Algorithm is implemented in a
network. Therefore, FastForwarding should only be
enabled for ports that are connected to an end-
node device.

Vertical Horizon Stack Local Management

Spanning Tree Information : Selection Menu

STA Bridge Information ...

STA Port Information ...

<OK>
Use <TAB> or arrow keys to move. <Enter> to select.

Parameter

Default Description

«
...
47
48
49
50
51
...
»

Содержание Vertical Horizon VH-2402S2

Страница 1: ...9033820 03 VERTICAL HORIZON VH 2402S2 VH 2402SM2 FAST ETHERNET SWITCH Configuration Guide...

Страница 2: ......

Страница 3: ...NG OUT OF OR RELATED TO THIS MANUAL OR THE INFORMATION CONTAINED IN IT EVEN IF ENTERASYS NETWORKS HAS BEEN ADVISED OF KNOWN OR SHOULD HAVE KNOWN THE POSSIBILITY OF SUCH DAMAGES Enterasys Networks Inc...

Страница 4: ...Notice ii 9033820 03...

Страница 5: ...Configuration 20 Configuring the Serial Port 21 Assigning SNMP Parameters 22 Console Login Configuration 25 Downloading System Software 26 Saving the System Configuration 27 Configuring Management Acc...

Страница 6: ...meters 78 Configuring VLANs 79 Configuring Class of Service 79 Configuring Port Operation 80 Configuring the Unicast Address Table 81 Setting a Default Gateway 82 Configuring BootP 82 Configuring Port...

Страница 7: ...ing Network Topology 94 APPENDIX B VIRTUAL LANS VLANS 97 VLANs and Frame Tagging 97 VH 2402S2 VLAN Configuration 98 Assigning Ports to VLANs 98 Forwarding Tagged Untagged Frames 99 Automatic VLAN Regi...

Страница 8: ...vi Table of Contents VH 2402S2...

Страница 9: ...also includes an embedded HTTP Web agent This Web agent can be accessed using a standard Web browser from any computer attached to the network Refer to the Web Management Guide for more information T...

Страница 10: ...as a background task requiring 10 minutes for the master agent to download the software to the backup agent The stack continues to operate while the backup agent reboots after loading the software cod...

Страница 11: ...or use a null modem connection that is compatible with the console port pin assignments shown in Appendix A of the VH 2402S2 Hardware Installation Guide When attaching to a PC set terminal emulation...

Страница 12: ...n The on board configuration program can be accessed using Telnet from any computer attached to the network The switch and stack can also be managed by any computer using a Web browser Internet Explor...

Страница 13: ...lar to the sample Main Menu shown in Figure 2 1 The information is divided into the following parts Menu Name includes access privileges Selectable Items Screen Prompt for menu selections and entry of...

Страница 14: ...and put it in a safe place From the Main Menu select Management Setup Menu Console Login Configuration and enter a new password for the default administrator Passwords can consist of up to 11 alphanum...

Страница 15: ...and Duplex Auto Admin Enabled Broadcast Storm Control Disabled 200 pps Port Priority Default Ingress User Priority 0 Spanning Tree Algorithm Active Aging Time 300 Bridge Priority 32768 Forward Delay 1...

Страница 16: ...erminal Baud Rate Auto User Names admin guest Virtual LANs Acceptable VLAN Frame Type All Configurable PVID Tagging Yes GVRP Disabled Untagged VLAN Group Assignment 1 VLAN Ingress Filtering False VLAN...

Страница 17: ...sion modules used in the stack Stacking Information Shows information on the closed loop stacking status Management Setup Menu Network Configuration Includes IP setup Ping facility HTTP Web agent setu...

Страница 18: ...ond threshold Global VLAN Configuration Displays basic VLAN information such as VLAN version number and maximum VLANs supported and allows you to enable disable each VLAN Port Assignment VLAN Configur...

Страница 19: ...ive on this switch including multicast IP addresses and corresponding VLAN IDs Static Unicast Address Table Configuration Used to manually configure host MAC addresses in the unicast table System Rest...

Страница 20: ...DEFAULT SYSTEM CONTACT System Location DEFAULT SYSTEM LOCATION APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description System Description System hardware descrip...

Страница 21: ...IT NEXT UNIT Use TAB or arrow keys to move Enter to select Parameter Description Main Board Hardware Version Hardware version of the main board Firmware Version System firmware version in ROM Serial N...

Страница 22: ...tack Figure 2 6 System Information Vertical Horizon Stack Local Management Stacking Information Current Stack State Redundant Former Stack State Not Redundant OK Enter to select Parameter Description...

Страница 23: ...tion TFTP Download Agent F W Configuration Save Restore Management Configuration OK Use TAB or arrow keys to move Enter to select Selection Description Network Configuration Includes IP setup Ping fac...

Страница 24: ...P Configuration IP Connectivity Test Ping HTTP Configuration MAX Number of allowed Telnet sessions 1 4 4 Physical Address 00 00 E8 1F AA 55 APPLY OK CANCEL Use TAB or arrow keys to move Enter to selec...

Страница 25: ...dress of the stack you are managing when accessing the agent module over the network The agent module supports SNMP over UDP IP transport protocol In this environment all systems on the Internet such...

Страница 26: ...nfiguration BOOTP Get IP IP is enabled but will not function until a BOOTP reply has been received BOOTP requests will be periodically broadcast by the switch in an effort to learn its IP address BOOT...

Страница 27: ...figuration IP Connectivity Test Ping IP Address Test Times 1 Interval 3 Success 0 Failure 0 Start OK Use TAB or arrow keys to move other keys to make changes Parameter Description IP Address IP addres...

Страница 28: ...table Figure 2 11 HTTP Configuration Vertical Horizon Stack Local Management Network Configuration HTTP Configuration HTTP Server ENABLED HTTP Port Number 80 APPLY OK CANCEL Use TAB or arrow keys to...

Страница 29: ...row keys to move Space to scroll options Parameter Default Description Management Mode Console Mode Indicates that the console port settings are for direct console connection Baud Rate Auto The rate a...

Страница 30: ...id community string for authentication The options for configuring community strings and related trap functions are described in the following sections Figure 2 13 SNMP Configuration Vertical Horizon...

Страница 31: ...Community Name Access Status 1 public READ ONLY ENABLED 2 private READ WRITE ENABLED 3 4 5 APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description Community Name...

Страница 32: ...15 IP Trap Managers Vertical Horizon Stack Local Management SNMP Configuration IP Trap Managers IP Address Community Name Status 1 10 1 0 9 private ENABLED 2 3 4 5 APPLY OK CANCEL Use TAB or arrow ke...

Страница 33: ...nce The parameters shown on this screen are indicated in the following figure and table Figure 2 16 Console Login Configuration Vertical Horizon Stack Local Management Console Login Configuration Pass...

Страница 34: ...RMANENT Process TFTP Download Download status Complete Backup Master Image Sync status 0 APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description Download Server...

Страница 35: ...Download Download Server IP Download Filename Process TFTP Download Download status Complete APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description Configurati...

Страница 36: ...TAB or arrow keys to move Space to scroll options Parameter Default Description Management VLAN All Select ALL to give all VLANs access to switch management or ONE to restrict access to a specified V...

Страница 37: ...BStorm Control Configuration Multicast Router Port Configuration OK Use TAB or arrow keys to move Enter to select Selection Description Port Configuration Sets communication parameters for ports Port...

Страница 38: ...col 802 1Q VLAN Base Information Displays basic VLAN information such as VLAN version number and maximum VLANs supported 802 1Q VLAN Current Table Information Displays VLAN groups and port members 802...

Страница 39: ...TO APPLY OK CANCEL PREV UNIT NEXT UNIT PREV PAGE NEXT PAGE Use TAB or arrow keys to move Enter to select Parameter Default Description Type Shows port type as 10 100TX 10Base T 100Base TX 100FX 100Bas...

Страница 40: ...0TX YES DOWN 8 10 100TX YES DOWN 9 10 100TX YES DOWN 10 10 100TX YES DOWN 11 10 100TX YES DOWN 12 10 100TX YES DOWN OK PREV UNIT NEXT UNIT PREV PAGE NEXT PAGE Use TAB or arrow keys to move Enter to se...

Страница 41: ...Secure address count The total number of authorized MAC addresses configured Secure address count for port The number of authorized MAC addresses configured for the specified port Unit The stack unit...

Страница 42: ...can be assigned to the same trunk also have certain other restrictions see the next page Ports can only be assigned to one trunk The ports at both ends of a connection must be configured as trunk port...

Страница 43: ...ical Horizon Stack Local Management Port Trunking Configuration Trunk ID Status Member List 1 2 3 4 Unit Unit Unit Unit Port Port Port Port Unit Unit Unit Unit Port Port Port Port Unit Unit Unit Unit...

Страница 44: ...Bridge Capability Extended Multicast Filtering Services Indicates that this switch does not support the filtering of individual multicast addresses based on GMRP GARP Multicast Registration Protocol...

Страница 45: ...other the switch will automatically reset and the current VLAN configuration will be lost GMRP GARP Multicast Registration Protocol GMRP allows network devices to register endstations with multicast...

Страница 46: ...fer to Appendix A Spanning Tree Concepts on page 91 Figure 2 26 Spanning Tree Configuration Configuring Bridge STA The following figure and table describe Bridge STA configuration Figure 2 27 Bridge S...

Страница 47: ...guration message before attempting to reconfigure All device ports except for designated ports should receive configuration messages at regular intervals Any port that ages out STA information provide...

Страница 48: ...T PAGE Use TAB or arrow keys to move Enter to select Parameter Default Description Fast forwarding mode of all ports ENABLED Allows you to enable or disable fast forwarding for all ports on the switch...

Страница 49: ...enable disabled the Fast Spanning Tree mode for the port In this mode ports skip the Blocked Listening and Learning states and proceed straight to Forwarding FastForwarding enables end node workstati...

Страница 50: ...ello Time The time interval in seconds at which the root device transmits a configuration message Max Age The maximum time in seconds a device can wait without receiving a configuration message before...

Страница 51: ...000E89A3BE0 128 8 11 10 100TX NO LINK 0 32768 0000E89A3BE0 128 8 12 10 100TX NO LINK 0 32768 0000E89A3BE0 128 8 OK PREV UNIT NEXT UNIT PREV PAGE NEXT PAGE Use TAB or arrow keys to move Enter to select...

Страница 52: ...witch is booted then some of them change state to listening to learning and then to forwarding Designated Cost The cost for a packet to travel from this port to the root in the current spanning tree c...

Страница 53: ...ating at a lower speed the source port will be forced to drop its operating speed to match that of the target port You can use the Mirror Port Configuration screen to designate a single port pair for...

Страница 54: ...eter Description Broadcast Control Allows you to enable disable broadcast storm control for all ports in the switch stack When enabled the switch stack will employ a broadcast control mechanism if the...

Страница 55: ...ions Global VLAN Configuration Use the Global VLAN Configuration screen to create a new VLAN and enable disable VLANs by specifying a VLAN ID and VLAN name Note that this is a global setting you canno...

Страница 56: ...NO FALSE 1 9 1 NO FALSE 1 10 1 NO FALSE Unit ID 1 Show Port ID 1 More APPLY OK CANCEL Use TAB or arrow keys to move Space to scroll options Parameter Description PVID The VLAN ID assigned to untagged...

Страница 57: ...w keys to move other keys to make changes Parameter Description Permanent Egress Ports Enter the ports or range of ports to configured them as permanent static members of the displayed VLAN Dynamic Eg...

Страница 58: ...7 Indexed by VID VLAN ID 1 Show VLAN Name More APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description Unit Stack unit Permanent Forbidden Ports A list of ports...

Страница 59: ...mation VLAN Version Number 1 MAX VLAN ID 2048 MAX Supported VLANs 256 Current Number of 802 1Q VLANs Configured 2 OK Enter to select Parameter Description VLAN Version Number The VLAN version used by...

Страница 60: ...ws how this VLAN was added to the switch Dynamic GVRP Automatically learned via GVRP Permanent Added as a static entry Unit Stack unit Current Egress Ports Shows the ports which have been added to the...

Страница 61: ...00000000000 000 Unit Untagged Ports VID 1 1 111111111111 111111111111 110 Show More New APPLY OK CANCEL PREV UNIT NEXT UNIT Use TAB or arrow keys to move other keys to make changes Parameter Descripti...

Страница 62: ...Unit 1 Figure 2 41 802 1Q VLAN Static Table Configuration Example Vertical Horizon Stack Local Management 802 1Q VLAN Static Table Configuration VID VLAN Name Status 2 Active Unit Egress Ports Forbidd...

Страница 63: ...n use the 802 1P Configuration menu to configure the default priority for each port or to display the mapping for the traffic classes as described in the following sections Also refer to Appendix C Cl...

Страница 64: ...iority Configuration Vertical Horizon Stack Local Management 802 1P Port Priority Configuration Unit 1 Port 1 12 Port Default Ingress Number of Egress User Priority Traffic Class 1 0 2 2 0 2 3 0 2 4 0...

Страница 65: ...tical Horizon Stack Local Management 802 1P Port Traffic Class Information Unit 1 Port 1 12 Port User Priority 0 1 2 3 4 5 6 7 1 0 0 0 0 1 1 1 1 2 0 0 0 0 1 1 1 1 3 0 0 0 0 1 1 1 1 4 0 0 0 0 1 1 1 1 5...

Страница 66: ...the broadcast traffic must be carefully pruned at every multicast switch router it passes through to ensure that traffic is only passed on the hosts which subscribed to this service This switch uses...

Страница 67: ...scroll options Parameter Description IGMP Status If enabled the switch will monitor network traffic to determine which hosts want to receive multicast traffic Act as IGMP Querier If enabled the switch...

Страница 68: ...escription Unit The stack unit ID Dynamic IGMP Member Port List A list of the switch ports that have been automatically configured as being attached to a IGMP host Static IGMP Member Port List A list...

Страница 69: ...Dynamic Router Port List The switch ports that have been automatically listed as being attached to a neighboring multicast router switch Static Router Port List The switch ports that have been manuall...

Страница 70: ...r Description Port Statistics Displays statistics on network traffic passing through the selected port RMON Statistics Displays detailed statistical information for the selected port such as packet ty...

Страница 71: ...PREV UNIT NEXT UNIT PREV PORT NEXT PORT Use TAB or arrow keys to move Enter to select Parameter Description Alignment Errors For 10 Mbps ports this counter records alignment errors mis synchronized da...

Страница 72: ...e carrier sense condition was lost or never asserted when attempting to transmit a frame Frames Too Long The number of frames received that exceed the maximum permitted frame size Internal Mac Receive...

Страница 73: ...than 1518 octets excluding framing bits but including FCS octets and were otherwise well formed Fragments The total number of frames received that were less than 64 octets in length excluding framing...

Страница 74: ...Clear Clear Dynamic APPLY OK CANCEL Use TAB or arrow keys to move other keys to make changes Parameter Description Aging Time Time out period in seconds for aging out dynamically learned forwarding i...

Страница 75: ...d by VID Multicast IP VID 1 Multicast IP Show More OK Use TAB or arrow keys to move Enter to select Parameter Description IGMP groups counter The total number of multicast groups learned by IGMP Dynam...

Страница 76: ...ttached to this switch Unit The switch unit the host device is attached to Port The port the host device is attached to Status The status for an entry can be set to Permanent This entry is currently i...

Страница 77: ...ions with the switch for the current session Vertical Horizon Stack Local Management System Restart Menu Restart Option POST YES Reload Factory Defaults NO Keep IP Setting NO Keep User Authentication...

Страница 78: ...70 VH 2402S2 User Interface VH 2402S2...

Страница 79: ...P address for the switch if you plan to manage the switch using SNMP or if you use Telnet to access the switch Checking network configuration status and verifying that network connections are correct...

Страница 80: ...nter 3 For the ADMIN user type enter a password containing up to 11 alphanumeric characters Note that the password is not case sensitive By factory default there is no password configured This means t...

Страница 81: ...Menu from the Main Menu 2 Select Port Information and press Enter If a network cable is properly connected to a port the Link for the port reads UP If no cable is connected to the port or if the cabl...

Страница 82: ...ing 1 Select Management Setup Menu from the Main Menu 2 Select SNMP Configuration Menu 3 Select SNMP Communities from the menu Enter the desired community names you are permitted to enter from one to...

Страница 83: ...a Software Upgrade You can upgrade the operational software in the VH 2402S2 switch without physically opening the switch or being in the same location The software storage sector in the flash memory...

Страница 84: ...3 Mainboard 1 4 Select 1 to download the agent software The following messages appear Your Selection Runtime Code Download code to FlashROM address 0x02880000 Change Baud Rate to 115200 and Press ENT...

Страница 85: ...TFTP server 4 If necessary configure the address of an IP gateway to reach the server from the switch using the Gateway IP field in the Network Configuration IP Configuration menu 5 Configure the TFTP...

Страница 86: ...ning the connection See Appendix A Spanning Tree Concepts on page 91 for further information on using the Spanning Tree Protocol in a network To configure Spanning Tree Parameters do the following 1 S...

Страница 87: ...nt VLAN Configuration 6 For each VLAN port member set the PVID to the VLAN ID 7 Select Apply to save the settings and return the 802 1Q VLAN Static Table Configuration screen 8 Under Forbidden Egress...

Страница 88: ...l Menu from the Main Menu 2 Select Port Configuration and press Enter 3 Select the stack unit and port number to configure 4 In the Admin column select ENABLED You can also disable the port due to abn...

Страница 89: ...ve types of status that can be configured for each address in the table Permenant which means that the MAC address is in use and will remain so after the next switch reset Delete On Reset which means...

Страница 90: ...in an IP address from the BootP server To configure BootP do the following 1 Select Management Setup Menu from the Main Menu 2 Select Network Configuration and then IP Configuration 3 In the IP State...

Страница 91: ...can configure up to five trunks per switch unit The ports used in a trunk must all be of the same media type RJ 45 100 Mbps fiber or 1000 Mbps fiber The ports that can be assigned to the same trunk al...

Страница 92: ...be employed default is 200 pps 4 Highlight the Averaging Interval field and set the time period for which the control mechanism will be active 200 ms 500 ms 1 5 or 10 seconds default is 1 second 5 Hi...

Страница 93: ...he section Configuration Download 3 Enter the TFTP server IP address and press Enter 4 Select Download Filename and enter the file name to be downloaded to the switch 5 Select Process TFTP Download an...

Страница 94: ...86 Configuring Monitoring the Switch VH 2402S2...

Страница 95: ...ions as an agent monitoring and controlling the functionality of the switch Figure 4 1 VH 2402S VH 2402S2 Switches Managed by an SNMP Management Workstation A defined set of variables referred to as m...

Страница 96: ...pically support one or more standard MIBs defined by the Internet Engineering Task Force IETF in the form of Request for Comments RFC documents These MIBs provide a common method of managing devices s...

Страница 97: ...tistics and information related to the ICMP protocol TCP Statistics and information related to the TCP protocol UDP Statistics and information related to the UDP protocol Transmission Statistics and i...

Страница 98: ...B Extensions Areas of switch functionality not covered by the standard RFC MIBs are specified in the Enterasys Networks private MIB This MIB definition is specified separately from MIB II Areas covere...

Страница 99: ...ons Creates a single spanning tree from any arrangement of switching or bridging elements Compensates automatically for the failure removal or addition of any device in an active data path Achieves po...

Страница 100: ...together in a redundant topology more than one path between two points If the connection between A and B goes down the link between A and C becomes active thereby establishing a path between A and B...

Страница 101: ...ge priority and a 48 bit network adapter address Ports are numbered in absolute numbers starting from 1 regardless of their bridge at tachment The network adapter address is the same address as the fi...

Страница 102: ...e Root Bridge Selecting a Root Bridge and Designated Bridges During communication between bridges one bridge is determined to have the lowest bridge identifier This bridge becomes the Root Bridge Afte...

Страница 103: ...participate in the transmission of frames The transmission of frames is temporarily disabled in order to prevent temporary loops which may occur in a bridged LAN during the lifetime of this state as...

Страница 104: ...96 Spanning Tree Concepts VH 2402S2...

Страница 105: ...ddition to VLAN information the relative priority of the frame in the network can specified by the tag see Appendix C Class of Service VLANs provide greater network efficiency by reducing broadcast tr...

Страница 106: ...the other end of the link also supports VLANs Then assign the port at the other end of the link to the same VLANs However if you want a port on this switch to participate in one or more VLANs but the...

Страница 107: ...Multi Switch VLAN Configuration Automatic VLAN Registration GVRP defines a system whereby the switch can automatically learn the VLANs each endstation should be assigned to If an endstation or its net...

Страница 108: ...ging from 1 to 2048 but the IEEE 802 1Q VLAN standard allows for VLAN IDs from 1 to 4094 Therefore if a switch is attached to endstations that issue VLAN registration requests it will have to forward...

Страница 109: ...ueue is transmitted When priority queuing is being used each frame that passes through the switch contains a priority level in its header tag The priority information may already exist in incoming fra...

Страница 110: ...nd 4 are tagged as normal traffic and placed in a normal priority queue on the outbound port Frames entering through ports 2 and 5 are tagged as high priority traffic and placed in a high priority que...

Страница 111: ...e it is only concerned with forwarding multicast traffic from the local router switch to group members on directly attached subnetwork or LAN segment The VH 2402S2 switch supports IP Multicast Filteri...

Страница 112: ...104 IP Multicast Filtering VH 2402S2...

Страница 113: ...ections 3 Internet Group Management Protocol see IGMP IP configuration 17 IP address assigning 73 IP multicast filtering 58 M MAC address table configuring 81 main menu 9 management in band connection...

Страница 114: ...onnections 4 73 TFTP configuration for downloads 26 download process 77 downloading software 75 protocol 26 traffic classes configuring 55 traps SNMP 88 trunks configuring 34 U unicast address table c...

Страница 115: ......

Страница 116: ...150200000000A R01...

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