Cisco ASR 900 Series

3
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-12
Chapter
Supported ROMmon Versions
For information about upgrading to a new software release, see the Cisco ASR 903 Router Chassis
Software Configuration Guide at
http://www.cisco.com/en/US/docs/routers/asr903/software/guide/chassis/Release3.7.0S/ASR903-Chas
sis-SW-39.html.
Supported ROMmon Versions
15.3(2r)S is the recommended ROMmon version for IOS XE 3.5, 3.6, 3.7, 3.8, and 3.9 software releases.
Deferrals
Cisco IOS software images are subject to deferral. We recommend that you view the deferral notices at
the following location to determine whether your software release is affected:
http://www.cisco.com/en/US/products/products_security_advisories_listing.html
Field Notices and Bulletins
• Field Notices—We recommend that you view the field notices for this release to determine whether
your software or hardware platforms are affected. You can find field notices at
http://www.cisco.com/en/US/support/tsd_products_field_notice_summary.html.
• Bulletins—You can find bulletins at
http://www.cisco.com/en/US/products/sw/iosswrel/ps5012/prod_literature.html.