3Com 3250 - Manual - manualsarea.com

Page 2 - Errors and Omissions; Management Quick Reference Guide”; system console speed; Enhancements and Fixes for Known Faults; Web Interface

2 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES The software is available in two versions: ■ s3201_02.bin — Provides normal levels of encryption with keys of up to 56 bits in length. ■ s3201_02s.bin — Provides higher levels of encryption including 168-bit 3D...

Page 3 - Command Line Interface; bridge port summary; s Spanning Tree per VLAN; Traffic Prioritization; security network access detail

Errors and Omissions 3 Data is invalid error with no explanation. The new firmware returns an error describing the field containing the error and then returns to the page allowing the error to be corrected. Command Line Interface The output of the bridge port summary CLI command has been improved: ■...

Page 4 - Software Version Number; The software version number reported by the; CLI command; system control swapSoftware; Binding an ACL to a port fails occasionally

4 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES RMON history statistics and Web port history statistics A bug in previous software versions prevented statistics being generated for the first timing interval. This has now been fixed. In previous software vers...

Page 5 - Com Network Supervisor Discovery; Updating the Switch Software; telnet IP address; admin

Updating the Switch Software 5 See “Access Control Lists” in the “Points to Note when using the Switch 3226 and Switch 3250” section of this document for further details. 3Com Network Supervisor Discovery When using 3Com Network Supervisor with previous versions of the software, 3Com Network Supervi...

Page 6 - Points to Note when Upgrading Software; and; recover; . If you power cycle the unit; Configuring Link Aggregations

6 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES 11 Select SoftwareUpgrade . 12 Enter the IP address of the TFTP server connected to the Switch. 13 Enter the upgrade file name. a The message will appear, ' Software Upgrade in progress.....' . b The entire tim...

Page 7 - Points to Note when using the Switch 3226 and Switch 3250; Telnet and HyperTerminal; set crlf; Port Security and Authentication; security radius setup; Link aggregation and Gigabit ports

Points to Note when using the Switch 3226 and Switch 3250 7 3Com recommends that you set individual ports that are to be members of an aggregated link to the same VLAN membership. This ensures communication between all VLANs at all times. Telnet and HyperTerminal Accessing the Command Line Interface...

Page 8 - bridge; SFP Modules

8 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES No more ports may be added to aggregated link. You should check the configuration of the following items on the physical port ■ port security is disabled on the port. ■ The VLAN membership of the port matches t...

Page 9 - When the unit is in the default IP mode of; Access Control Lists; This error will appear if:

Points to Note when using the Switch 3226 and Switch 3250 9 This message can be caused by one of the following situations: ■ if there are more than14 routes whose next hop is not the default gateway. 3Com recommends reconfiguring the network so that the uplink from the Switch goes directly to anothe...

Page 10 - Management via SNMP / MIBs; The counters for the

10 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES ■ The ACL which is being bound has more rules than can be accommodated by the hardware. The number rules available depends on the port type: ■ 10/100 Ports - At least 15 rules per port ■ 10/100/1000 Ports - Ma...

Page 11 - SSH Management; command; HTTPS Management; Saving Configuration

Points to Note when using the Switch 3226 and Switch 3250 11 minimum sampling period of 10 seconds and a minimum hysteresis of 20%. SSH Management ■ The SSH server in the unit will reject all connection requests unless the unit has a SSH host key. This host key may be generated using the Security &g...

Page 12 - Physical; Roving Analysis Port

12 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES default gateway setting to be lost. You should always check the IP address and route configuration when restoring the configuration on another unit. IGMP Disabling IGMP when there are hosts subscribing to mult...

Page 13 - Combination Ports; physicalInterface ethernet; command to disable autonegotiation and; LACP Protocol

Points to Note when using the Switch 3226 and Switch 3250 13 Combination Ports ■ The two 10/100/1000 ports are combination ports. When an SFP module is inserted it has priority over the 10/100/1000 port of the same number. The corresponding 10/100/1000 port is disabled. The combination ports are num...

Page 14 - The CD-ROM contains 3Com Network Supervisor.

14 S UPER S TACK ® 3 S WITCH 3226 AND S WITCH 3250 S OFTWARE V ERSION 1.02 R ELEASE N OTES Known Interoperability Issues ■ An incompatibility exists when changing link speed from 10 Mbps half duplex to 100 Mbps half duplex. If auto-negotiation on the Switch is disabled and the link speed on the Swit...

3Com 3250 - Manual

Table of Contents:

Summary

Other 3Com Models