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CenturyStack 8100 Managed Hub

Segment Rate Threshold: the number of broadcast packets
received on a given segment per second

Port Rate Threshold: the number of broadcast packets
received on a given port per second.

Optional Module Rate Threshold: the number of broadcast
packets received on each port of a given optional module per
second.

Formula for calculating Broadcast packet rate:

Broadcast packet rate = Broadcast packet received

Sampling Interval in Seconds

To configure the threshold for Broadcast Storm Protection:

1. Select the segment from the Segment ID pop up list.
2. Enter a value in the Segment Rate Threshold field

(or optional module).

3. Enter a Port Rate Threshold.
4. Set the Alarm Action.
5. Set the Alarm Status.
6. Select Save.

Broadcast Storm Protection

Segment ID

10Mbps Segment or 100Mbps Segment

Segment Rate Threshold

Broadcast threshold value for each
segment

Optional Module Rate

Broadcast threshold value for each module

Threshold

Port Rate Threshold

Broadcast threshold value for each port

Alarm Action

Send Trap/Partition/Send Trap and Partition

Alarm Status

Invalid/Enabled/Disabled

Содержание CenturyStack 8100

Страница 1: ...Network Management Guide Lancast CenturyStack 8100 Managed Hub 10 100Mbps...

Страница 2: ...electric electronic electromagnetic mechanical chemical optical or otherwise without prior explicit written permission of METRObility Optical Systems Inc Lancast and CenturyStack are registered tradem...

Страница 3: ...based Management 8 SNMP Management Systems 8 RMON Support 9 RMON Statistics Group 9 RMON History Group 9 RMON Alarm Group 10 RMON Event Group 10 Getting Started 13 Web Based Management Requirements 13...

Страница 4: ...trol 34 Monitoring the Network 37 Group Statistic Information 37 Port Statistics Information 38 Address Tracking 41 Address Search Information 43 Broadcast Storm Protection 45 Broadcast Storm Detected...

Страница 5: ...guration 61 Statistics Information 63 History Information 65 Event Log 68 System Utility 70 System Restart 70 Additional Information 71 Agency Compliance 71 RFI Statements 71 Standards Compliance 72 W...

Страница 6: ...6 CenturyStack 8100 Managed Hub...

Страница 7: ...pansion modules adding more power and versatility such as Bridging 10Mbps and 100Mbps segments and extending distances up to 2 kilometers The 8112 01 M master model shown below includes a Network Mana...

Страница 8: ...ain and often available as shareware or are put on management platforms such as HP OpenView or SNMPc Management Information Base MIB browsers are simple utilities for monitoring and configuring the MI...

Страница 9: ...rs to set up Statistic Groups to record various statistics counters The statistics group contains statistics measured by the probe for each monitored interface on the hub These statistics take the for...

Страница 10: ...alues an event is generated This function generates one event as a threshold and is crossed in the appropriate direction No more events are generated for that threshold until the opposite threshold is...

Страница 11: ...r example a channel may be turned on or off by the firing of an event Each entry may optionally specify that a log entry be created on its behalf whenever an event occurs Each entry may also specify t...

Страница 12: ...12 CenturyStack 8100 Managed Hub...

Страница 13: ...Configurations See Network Configu ration in the Lancast CenturyStack Series 8100 Managed Installation and User Guide Users need a Web browser and must be either connected to the World Wide Web for r...

Страница 14: ...TE If the CenturyStack Home Page does not load 1 Review Network Configuration in the Lancast Century Stack 8100 Managed Hub Installation and User Guide 2 Check the hub s IP Address using the Mini Cons...

Страница 15: ...Trap Window displays a maximum of up to 100 traps The Display menu has 3 sub menus Pause Pauses the display Continue Continue to display the trap messages Clear Clears the trap messages Buffer Centur...

Страница 16: ...rising threshold fallingAlarm A RMON alarm entry has crossed its falling threshold hubGrpLastChangeTrap The value of the Group Last Change has been changed hub3PortBridgeExtPortLinkStsChtgTrap The li...

Страница 17: ...b in the stack Therefore hubs 2 6 are grayed and not available Port Icon For each port that has a link an icon displays in the device panel over the port as shown below In the example only port 12 has...

Страница 18: ...tact System Name and System Location System Information The following System Information is configurable System Contact_______ Character string up to 48 bytes System Name ________ Character string up...

Страница 19: ...e Menu is used to setup console or serial connections The SNMP Community Setup Menu is used to setup SNMP Communities and the Trap Receiver Menu is used to setup SNMP Trap Receivers Ethernet Menu The...

Страница 20: ...ub Slip Menu The Slip Menu displays current Slip configurations and allows users to make new slip configuration settings IP Address and Subnet Mask Network Configuration Slip Menu Please select Save t...

Страница 21: ...to the Hub while the hub is operating either by cable or modem Console Menu A Console Port connection is made by connecting a null modem cable between the hub and a PC A VT 100 emulator is needed to m...

Страница 22: ...ud Rate to attain the fastest speed available to both the hub and the modem Serial Port Configuration Out of Band Menu The following shows the configurations and the optional values available for this...

Страница 23: ...tup an SNMP community enter a valid SNMP Community name in the SNMP Community Name field Set the Access Right Read Only or Read Write and Status then select Add A valid community name is a community n...

Страница 24: ...enu To set up Trap Receivers enter an Index number a SNMP Trap Receiver Name the SNMP manager IP Address of the trap receiver and set the Status When all information is entered select Add To edit an e...

Страница 25: ...Monitor and configure hubs in the stack Repeater Port Control Status Monitor and configure ports in the stack 2 3 Port Bridge Module Monitor and configure 2 3 Port Control Status Bridge Module s Exter...

Страница 26: ...8100 Managed Hub Group Control The Repeater Group Control Status Menu displays status information for groups and allows enabling or disabling a group as well as naming and resetting the group Repeate...

Страница 27: ...button to load the configurations for the selected group Next configure the items listed below and select Save to update the new configuration Repeater Group Control Group Admin State No Change Enabl...

Страница 28: ...ntrol Status Menu displays status information for each port of each linked repeater This menu allows enabling or disabling the Administration State setting the Speed Control and enabling or disabling...

Страница 29: ...the port of the selected group that is to be configured Then configure the items listed below and select Save to update the new configuration Repeat for each port of each group Repeater Port Control...

Страница 30: ...one external port The function of the external port can vary between different modules For detailed features of modules please refer to the CenturyStack Installation and User Guide 2 3 Port Bridge Mo...

Страница 31: ...n the selected group it is indicated next to Description under Current Configuration Next configure the items listed below and select Save to update the new configuration 3 Port Bridge Module Control...

Страница 32: ...meral from 1 24 configuring primary and secondary groups and ports setting the Link Switch Notify setting the Status and finally saving the configuration Redundant Link Control Menu Configuring Link P...

Страница 33: ...g a Link Pair Users can edit a Link Pair by entering the Link Pair number of an existing Link Pair and reconfiguring the rest of the columns then select Save The Link Pair is updated to the new settin...

Страница 34: ...MAC address based capability to prevent any unauthorized nodes from accessing the network The hub monitors those nodes that have been secured by the security control function When a security violatio...

Страница 35: ...ter the Intrusion Auth MAC Address 5 Set the Intrusion Action 6 Save Security Intrusion Control Status Group Number Hub ID of a hub in the stack Port Number Number of the port that is selected in the...

Страница 36: ...36 CenturyStack 8100 Managed Hub...

Страница 37: ...tored in relative and absolute values Counters can be monitored for each segment each group and each port The Network Monitoring Menu also enables Address Search and Tracking and configuring Broadcast...

Страница 38: ...for the selected group Repeater Group Statistics Counters Group Number Selected group s Hub ID Display Mode Counter values in Absolute Relative terms Total Frames Total frames received Total Errors T...

Страница 39: ...istics Information Menu 2 To view port statistic information select a group 1 6 from the Group Number drop down list Then select a port 1 12 24 set the Display Mode and select Submit to load the count...

Страница 40: ...vents Total frames received by the port that were shorter than 64 octets Runts Total runts received by the port Collisions Total collisions Late Events Total late events received by the port Very Long...

Страница 41: ...ork problems such as Intrusion The node tracking function records the source MAC of each data packet Up to 15 Source MAC Addresses can be detected on each port Address Tracking Information Menu To mon...

Страница 42: ...ach time that the Last Source Address for this port has changed Last Source Address The Source MAC Address of the last readable frame received by this port Source MAC Address Tracking List A list of s...

Страница 43: ...network Up to 8 MAC address can be searched simultaneously Address Search Information Menu The user can search a MAC address by entering search parameters including Search Index Address Searched and...

Страница 44: ...ave again to get the search result Address Search In Use 6 Repeat Steps 1 4 for as many addresses to be searched Address Search Information Search Index Index number 1 8 Address Searched MAC address t...

Страница 45: ...and partitioning the port The Hub continually monitors those ports that have been partitioned to check if the broadcast storm condition still exists The partitioned hub port is auto recovered to norm...

Страница 46: ...in Seconds To configure the threshold for Broadcast Storm Protection 1 Select the segment from the Segment ID pop up list 2 Enter a value in the Segment Rate Threshold field or optional module 3 Ente...

Страница 47: ...ected CenturyStack network management provides broadcast storm detection If a broadcast storm is detected the Broadcast Storm Detected Menu displays the detected broadcast storm Group number Port numb...

Страница 48: ...48 CenturyStack 8100 Managed Hub...

Страница 49: ...the probe For this reason this MIB allows a probe to be configured to perform diagnostics and to collect statistics continuously even when communication with the manage ment station may not be possibl...

Страница 50: ...remote network monitoring device has the opportunity to add significant value to the data it collects For instance by highlighting those hosts on the network that generate the most traffic or errors...

Страница 51: ...aved added and deleted Statistics Group Configuration Menu Adding a Statistics Group To add an index item all the following must be entered Index Owner and Status otherwise the entry will not be saved...

Страница 52: ...atistics Group To modify an existing index item enter the existing index number with the new information for each field Then select Save to complete the modification The following lists the configurab...

Страница 53: ...e monitored edited saved added and deleted with the History Group Configuration Menu If any fields are left blank the Status is saved as underCreation History Group Configuration Menu Adding a RMON Hi...

Страница 54: ...t samples The range of the interval is 1 to 3600 seconds 1 hour The default is 1800 seconds Owner The entity that configured this entry and is using the re sources assigned to it A string of up to 12...

Страница 55: ...the user before it can be set to the object of Alarm group The valid Alarm Group configuration data is saved into the system NVRAM The Hub periodically monitors the threshold value of those counter o...

Страница 56: ...Add After selecting Add the newly added index number shifts from the For Creation field to the For Modification and Deletion field and is ready for modification 3 Configure the remaining fields 4 Sele...

Страница 57: ...d the value of this sample at the last sampling interval was less than the threshold then a single event is generated After a rising event is generated another rising event is not generated until the...

Страница 58: ...he network excluding framing bits but including FCS octets EtherStats Pkts The total number of packets including bad packets broadcast packets and multicast packets received EtherStats Broadcast Pkts...

Страница 59: ...length excluding framing bits but including FCS octets and had either a bad Frame Check Sequence FCS with an integral number of octets FCS Error or a bad FCS with a non integral number of octets Align...

Страница 60: ...usive excluding framing bits but including FCS octets EtherStats Pkts 1024 to 1518 Octets The total number of packets including bad packets received that were between 1024 and 1518 octets in length in...

Страница 61: ...he firing of an event Each event Entry may optionally specify that a log entry be created on its behalf whenever the event occurs Each entry may also specify that notification should occur by way of S...

Страница 62: ...ct Add to add the Event Group After saving an Event Group the configuration is written under Current Configurations The New Configuration is empty and available to enter another Event Group See below...

Страница 63: ...ive values for 10Mbps segments and 100Mbps segments To view statistics information select an Ethernet Statistics Index from the drop down list Select the Display Mode and click Submit The statistics d...

Страница 64: ...ze128 to 255 Total packets received by the segment of size 128 255 Packet Size 256 to 511 Total packets received by the segment of size 256 511 Packet Size 512 to1023 Total packets received by the seg...

Страница 65: ...w history information as configured in the History Group Configuration Menu RMON History Information To view history information select an Ethernet History Index from the drop down list and click Subm...

Страница 66: ...66 CenturyStack 8100 Managed Hub RMON History Information 2...

Страница 67: ...tor because of lack of resources Octets A whole number representing the total readable octets received Packets Total packets received including bad packets broadcast packets and multicast packets Broa...

Страница 68: ...Menu displays information based on valid configurations made in the RMON Event Group Configuration Menu RMON Event Log To view Event Logs select the Log Index drop down list and select an index numbe...

Страница 69: ...Number of the event log Event Description Description of the event Event Type No Change Event None Log Trap Log Trap Event Community Name of the event community Event Owner Owner of the event communit...

Страница 70: ...y Menu provides the function System Restart The system can be restarted at any time without loss of settings System Restart The System Restart Menu allows the user to reset the system with a Warm star...

Страница 71: ...mful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the i...

Страница 72: ...eriod METRObility will at its option replace or repair the product This warranty is limited to defects in workmanship and materials and does not cover damage from accident disaster misuse abuse or una...

Страница 73: ...Additional Information 73...

Страница 74: ...25 Manchester Street Merrimack NH 03054 USA tel 603 880 1833 fax 603 594 2887 www metrobility com 5620 810001 001 B 8 01...

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