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Release Notes for the Catalyst 4500E Series Switch, Cisco IOS XE Release 3.3.xSG
OL-26675-02
Cisco IOS XE to Cisco IOS Version Number Mapping
New Hardware Features in Release IOS XE 3.3.0SG
Release IOS XE 3.3.0SG provides the following new hardware on the Catalyst 4500 series switch:
• GLC-FE-100EX and GLC-FE-100ZX for Fast Ethernet SFP ports on WS-X4248-FE-SFP
• GLC-GE-100FX for Gigabit Ethernet SFP ports on WS-X4640-CSFP-E, WS-X4612-SFP-E and
WS-X4624-SFP-E
Note Although GLC-GE-100FX plugs in Gigabit Ethernet SFP port, it provides 100M bandwidth
• GLC-EX-SMD for all Gigabit Ethernet SFP ports
Cisco IOS XE to Cisco IOS Version Number Mapping
As Table 8 shows, each version of Cisco IOS XE has an associated Cisco IOS version:
Table 8 Cisco IOS XE to Cisco IOS Version Number Mapping
Upgrading the System Software
If you are upgrading to 3.3.0SG, you must upgrade your ROMMON to at least 15.0(1r)SG2
For details on the ROMMON upgrade process, refer to the “ROMMON Release Notes for the
WS-X45-SUP7-E, WS-X45-SUP7L-E, and WS-C4500X Family of Switches”. Note that you can
upgrade a ROMMON image either through a console or telnet.
If they have dual supervisors, first upgrade your software to 3.3.0SG, then upgrade your ROMMON to
15.0(1r)SG2 to avoid the resets uplinks issue (CSCtj54375).
Identifying an +E Chassis and ROMMON
An +E chassis is identified by a FRU minor value in the chassis' idprom.
When supervisor engine 1 (sup1) is in ROMMON and supervisor engine 2 (sup2) is in IOS, only sup2
can read the idprom contents of chassis’ idprom. Chassis type is displayed as “+E” in the output of the
show version command. Conversely, sup1 can only display the chassis type as “E.”
When both sup1 and sup2 are in ROMMON, both engines can read the chassis’ idprom. Chassis type is
displayed correctly as “+E” in the output of the show version command.
When both sup1 and sup2 are in IOS, both engines can read the chassis’ idprom. Chassis type is
displayed correctly as “+E” in the output of the show version command.
Cisco IOS XE Version Cisco IOS Version
03.1.0SG 15.0(1)XO
03.1.1SG 15.0(1)XO1
03.2.0SG 15.0(2)SG
03.3.0SG 15.1(1)SG