PowerConnect,M6220S,M6220,V4.2.2.3,A30

This is a maintenance release so only bug fixes are included.

Fixes:
- IP routing unexpectedly after reboot despite its not having been enabled.
- Telnet existing session is interrupted when "New Telnet Sessions" is set to "Block".
- OOB interface unreachable after failover.
- Switch CLI help does not locate the 'initiate failover' command properly.
- Timeout during SNMP walk on root
- "show interfaces switchport" command shows incorrect General Mode Tagged VLANs value
- Error while adding an access-list to an access-group
- Walk of agentDaiVlanStatsTable returns statistics for all the 4096 VLANs
- OOB interface configured with default IP via Setup Wizard incorrectly.
- Unable to create VLAN ID and name VLAN in Web GUI
- "Failed to get CPU cosq 0 drop counters, error -16" messages in logs
- Default "ip address dhcp" command on VLAN 1 causing "failed to bind socket" error repeatedly
- agentPortSpeedDuplexStatus SNMP MIB object documentation error
- ifIndiscards is still counting VLANdiscards if the interface switchport mode is in trunk mode
- Switch doesn't register all the 576 devices if LLDP-MED has all the optional TLVs.
- SNMP and LOG errors when setting ifAdminStatus
- Cannot type input into external serial connector after reboot of switch
- Web GUI doesn't display port 24 if using Internet Explorer 9
- Switchport general configuration, VLAN1 tagged not saved in running config
- Cannot rename vlan1
- SNMP Port tag/untag issue
- DNS client error in logs and switch locks up and needs to be rebooted.
- Terminal Length setting not working as in 4.1
- Trunk port multiple vlan assignment doesn't work properly after reboot
- FIP snooping session is not getting established after script apply.
- "ip http secure-server" command not getting migrated from 4.1.0.19 build to 4.2.1.3 build.
- Data loop in Simple mode when adding VLAN.