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®
SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250
SOFTWARE VERSION 1.02 RELEASE NOTES
accompanies your Switch and on the 3Com Web
Related Documentation
site)
Please use these notes in conjunction with the following
You can obtain the latest technical information for your
documents:
Switch, including a list of known problems and
solutions, from the 3Com Knowledgebase:
“SuperStack 3 Switch 3226 and Switch 3250 Getting
Started Guide”
http://knowledgebase.3com.com
Part number: DUA1750-0AA
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■ ■ ® 2 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES The software is available in two versions: SuperStack 3 Switch 3226 and Switch 3250 Getting Started Guide s3201_02.bin — Provides normal levels of Pages 15 and 16 contain the following statement: encryption with keys of up to 56 bits in length. s3201_02s.bin — Provides higher levels of “The console port uses a standard null modem encryption including 168-bit 3DES and cable and is set to auto-baud, 8 data bi
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■ ■ ■ ■ ■ ■ ■ ■ Errors and Omissions 3 Data is invalid error with no explanation. The The LACP PartnerID field now reports new firmware returns an error describing the field LACP disabled if the protocol is disabled or not containing the error and then returns to the page supported on the port. allowing the error to be corrected. Traffic Prioritization Command Line Interface In previous versions of the software, the DSCP The output of the bridge port summary CLI prioritization of the CS6 code
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® 4 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES RMON history statistics and Web port history the current firmware can be verified by running the statistics system summary command: A bug in previous software versions prevented Static port security and the bridge MAC address statistics being generated for the first timing interval. table This has now been fixed. If static port security is enabled on a port with more In previous software versions the 1 hour sta
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Updating the Switch Software 5 See “Access Control Lists” in the “Points to Note To update the software on the Switch, do the follow- when using the Switch 3226 and Switch 3250” ing: section of this document for further details. 1 Locate the software update for the Switch and run the (filename.exe) executable file. 3Com Network Supervisor Discovery 2 If necessary, download the TFTP server applications into the management station. When using 3Com Network Supervisor with previous versions of th
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■ ■ ■ ® 6 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES 11 Select SoftwareUpgrade. filename until the TFTP upgrade operation has timed out. The default time out period is 1 minute. 12 Enter the IP address of the TFTP server connected to the Switch. When attempting to upgrade the software on the unit it may occasionally report the following error: 13 Enter the upgrade file name. Error: File service in progress. a The message will appear, 'Software Upgrade If you
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■ ■ ■ ■ ■ ■ ■ Points to Note when using the Switch 3226 and Switch 3250 7 3Com recommends that you set individual ports that on only edge ports which will typically have only a are to be members of an aggregated link to the same few addresses. VLAN membership. This ensures communication If the address of a device is added as a static secure between all VLANs at all times. address on one port and then it is subsequently moved to a different port with security disabled Telnet and HyperTermina
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■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ® 8 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES No more ports may be added to aggregated physicalInterface ethernet portState link. CLI command You should check the configuration of the following items on the physical port SFP Modules port security is disabled on the port. When adding or removing SFP modules the switch will reset a number of port parameters. 3Com The VLAN membership of the port matches that recommends that you ve
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■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Points to Note when using the Switch 3226 and Switch 3250 9 This message can be caused by one of the Reconfiguring an IP interface may cause the RIP following situations: configuration and static routes settings for that interface to be lost. if there are more than14 routes whose next hop is not the default gateway. 3Com recommends When adding or modifying an IP interface the CLI reconfiguring the network so that the uplink and Web interface may appear to hang for up to
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■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ® 10 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES The ACL which is being bound has more rules than NBX traffic is remarked to DSCP 46 and 802.1d can be accommodated by the hardware. The priority 6. number rules available depends on the port type: VLAN Configuration 10/100 Ports - At least 15 rules per port 10/100/1000 Ports - Maximum of 2 rules per Every port on the unit must be an untagged member port. of a single VLAN. Every port defaults
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■ ■ ■ ■ ■ ■ ■ Points to Note when using the Switch 3226 and Switch 3250 11 minimum sampling period of 10 seconds and a The presence of both a secure (HTTPS) and minimum hysteresis of 20%. insecure (HTTP) Web interface on a single unit causes some browsers to incorrectly report the following warning message: SSH Management This page contains both secure and insecure The SSH server in the unit will reject all connection items. Do you wish to proceed? requests unless the unit has a SSH host ke
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■ ■ ■ ■ ■ ■ ■ ® 12 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES default gateway setting to be lost. You should disabled the following error messages will be always check the IP address and route generated: configuration when restoring the configuration on Failed to set forward-time another unit. Failed to set hello-time When you enable spanning tree, all spanning tree IGMP settings are reset to their default values. If you want to use custom settings for spann
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■ ■ ■ ■ ■ ■ ■ Points to Note when using the Switch 3226 and Switch 3250 13 Combination Ports compatibility with other 3Com devices but is ignored by this device. The two 10/100/1000 ports are combination ports. When an SFP module is inserted it has priority over When connected to a device that will not the 10/100/1000 port of the same number. The autonegotiate the device follows the algorithm corresponding 10/100/1000 port is disabled. The required by the autonegotiation standard which c
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■ ■ ® 14 SUPERSTACK 3 SWITCH 3226 AND SWITCH 3250 SOFTWARE VERSION 1.02 RELEASE NOTES http://www.3com.com/3ns/ Known Interoperability Issues After installation, click LiveUpdate to add support for An incompatibility exists when changing link speed the latest 3Com products. from 10 Mbps half duplex to 100 Mbps half duplex. If auto-negotiation on the Switch is For HP OpenView users the Switch 3226 and Switch disabled and the link speed on the Switch is 3250 (and all other 3Com managed produc
