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Software Fixes
■ IGMP — If there are several IGMP groups in several VLANs, and the switch is acting as
Querier, the switch may stop sending IGMP Queries on some of its VLANs.
■ IGMP — All Querier intervals on the switch will be cut in half if IGMP, after already being
enabled, is disabled and then re-enabled.
■ IGMP — The switch does not fully support 256 IGMP groups, as intended. For example,
with 15 VLANs and 40 IGMP groups, the 40th group gets flooded.
■ LED — The MAX mode LED does not turn on for port where Gigabit Stacking Transceiver
is installed.
■ Memory Leak and Crash — If the "Send Authentication Traps" trap receiver parameter on
a Member switch is set to "Yes", it will cause a memory leak on the Stack Commander switch.
The memory leak can eventually cause a crash. The specific details of the crash vary.
■ Port security — Port security learn mode and the learned MAC addresses are not saved
after the switch is rebooted.
■ Port Security — With port security on, the switch does not remember learned static MAC
addresses after reboot.
■ Stack Management — The commander may hang (SNMP, ping, TELNET, etc.) and other
CPU functions may stop when the switch is queried by management applications such as the
WhatsUp Gold utility.
■ Stack Management — If a commander has a CDP neighbor, the commander may run out
of packet buffers and hang (SNMP, ping, TELNET, etc.).
■ TELNET — If a TELNET session times out due to the inactivity timer expiring, then a
subsequent TELNET session will freeze at the switch's copyright screen, before displaying
"Press any key to continue". Note: This does not affect console sessions.
■ TELNET — Unable to open new TELNET sessions due to switch not correctly closing
previous TELNET sessions.
■ Web-browser interface — Clicking the stack management close-up button does not show
the 4108GL switch.
Release F.02.05 (Beta Release Only)
Added new Isolated Port Groups feature. Each switch port is configurable as any one of four types:
■ Public
■ Private
■ Local
■ Uplink