3Com 3CB9LF20MM, 3CB9LF36RL, 3CB9LF36TL, 3CB9LG9MC, 3CB9LF20R, 3CB9LF10MC manual Known Problems

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Known Problems 37

The object a3ComSysBridgePortAddressStaticPort should return one of the following values:

The local bridge port index when a static address is configured for the port

The value 0 when a dynamic address is configured for the port

However, the 9-port 1000BASE-SX Gigabit Ethernet Layer 2 Switching Module returns the following reversed values:

The local bridge port index when a dynamic address is configured for the port

The value 0 when a static address is configured for the port

If there is a trunk on the switching module, an SNMP getnext request on the MIB object a3ComTrunkTcmpMacState incorrectly returns the first instance of this object. For example, a Gigabit Ethernet switching module that is located in slot 6 has two trunks:

Ports 1 and 9 — MIB objects a3ComTrunkTcmpMacState.14.1 and 3ComTrunkTcmpMacState.14.9

Ports 4 and 5 — MIB objects a3ComTrunkTcmpMacState.15.4 and 3ComTrunkTcmpMacState.15.5

The objects in the a3ComTrunkMacTable are not accessible via SNMP.

Through SNMP the object a3ComSysEthernetPortRequestedPortMode can be set to values out of range for the port, only use the values that are for 10 or 100. (30022)

Ethernet The following Ethernet statistics are not reset after you enter the module baseline set command:

rxPeakFrameRate

txPeakFrameRate

rxPeakByteRate

txPeakByteRate

If a bridging loop exists on a switching module or switch fabric module, output from the ethernet detail command can take up to 30 minutes to display. This issue does not apply to the 36-port 10/100BASE-TX Desktop Switching Modules (Model Numbers 3CB9LF36RL and 3CB9LF36TL). (30080)

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Contents CoreBuilder Release Notes 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Release Issues Software Installation Page Overview Management Information Bases MIBs System Boot CodeRequirements Operational Code3CB9LG9MC RedundancyIgmp Release HighlightsWeb-based CoreBuilder 9000 Enterprise SwitchManagement Software CDFormat ISO Date and TimeNew Modules Querying 10/100 Mbps Ethernet Port MonitoringSnooping Loop Detection 802.1p CoSCoreBuilder 9000 Implementation Guide for more details Release Highlights LoopDetectMode loopDetectSrcAddress Enable 08-00-8f-75-48-86 LoopDetectStatus Learning Limits Bridge AddressAddresses Secure Address Learning ModeAddresses are taken from the per-port address allocations See the previous section Bridge Address Learning LimitsSecure Address Learning Mode Vlan Multicast, BroadcastFlood Rate Limiting Vlan as the arriving packetMulticastlimit Limiting is on a per-port basis only Release Highlights Corrected Problems Release IssuesSystem ManagementWhenever a non-switch fabric module is reset with Staging VLANsWeb-based System Issues Model Number 3CB9LF36RL or 3CB9LF36TL to act as an Igmp Modules have only one backplane portModule TrunkingSystem Issues Release Issues Known Problems Release Issues Known Problems Modify command Administration Console of the 36-port 10/100BASE-TX FastNot reset after you enter the module baseline set command If a trunk is configured on a module, the following fieldsKnown Problems Changes DocumentationDocumentation Software Installation At the EME prompt, enter ChassisOrder specified in the following procedure Your module for guidelines and proceduresVerifying ModulesFollowing procedure explains how to download software Power to these module slotsSoftware next in this chapter ModulesShow module slot.all verbose From the EME, connect to the module You must complete to ensure that the module is updated Downgrading Switching Modules to Software Release Reference SwitchIdentifying Modules3CB9LG2MC Documents ApplicableMIB Files CoreBuilder 9000 Implementation GuideReference Understanding Entering CommandsAutonegotiation Compliance Year3Com Year 2000 Web Services ServicesTechnical Support Online TechnicalUsername anonymous Access by Analog ModemModem Isdn 24 hours a day, 7 days a week 847 262 Access by Digital Modem408 727 Europe Country Telephone Number North America