Funny thing on IOS 15.1

I'll let you see by yourself.

Cisco IOS Software, C3900e Software (C3900e-UNIVERSALK9-M), Version
15.1(2)T2.3, MAINTENANCE INTERIM SOFTWARE
Technical Support: http://www.cisco.com/techsupportCopyright (c) 1986-2011 by Cisco Systems, Inc.
Compiled Sat 05-Feb-11 00:57 by prod_rel_team
ROM: System Bootstrap, Version 15.1(1r)T4, RELEASE SOFTWARE (fc1)
************** uptime is 3 hours, 31 minutes
System returned to ROM by reload at 13:40:44 GMT+2 Thu Apr 26 2012
System restarted at 13:42:12 GMT+2 Thu Apr 26 2012
System image file is "flash0:c3900e-universalk9-mz.151-2.T2.3"
Last reload type: Normal Reload
Last reload reason: Reload Command


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.
A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html
If you require further assistance please contact us by sending email to
export@cisco.com.
Cisco CISCO3925-CHASSIS (revision 1.0) with C3900-SPE200/K9 with
689152K/293888K bytes of memory.
Processor board ID FCZ160320FA
4 FastEthernet interfaces
4 Gigabit Ethernet interfaces
DRAM configuration is 72 bits wide with parity enabled.
256K bytes of non-volatile configuration memory.
255744K bytes of ATA System CompactFlash 0 (Read/Write)

License Info:
License UDI:
-------------------------------------------------
Device#   PID                   SN
-------------------------------------------------
*0        C3900-SPE200/K9       FOC15514RC5


Technology Package License Information for Module:'c3900e'
----------------------------------------------------------------
Technology    Technology-package          Technology-package
             Current       Type          Next reboot
-----------------------------------------------------------------
ipbase        ipbasek9      None          ipbasek9
security      None          None          None
uc            None          None          None
data          None          None          None
Configuration register is 0x2102

And this output from the same router, just after the show version output.

BGP router identifier *.*.*.*, local AS number *****
BGP table version is 26, main routing table version 26
24 network entries using 3168 bytes of memory
48 path entries using 2496 bytes of memory
14/12 BGP path/bestpath attribute entries using 1736 bytes of memory
9 BGP AS-PATH entries using 216 bytes of memory
5 BGP community entries using 120 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
BGP using 7736 total bytes of memory
21 received paths for inbound soft reconfiguration
BGP activity 24/0 prefixes, 72/24 paths, scan interval 60 secs
Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ
Up/Down  State/PfxRcd
*.*.*.*         4        *****      34      45       26    0    0
00:06:58        3
*.*.*.*   4        *****    1118    1103       26    0    0
04:16:24       21

Don't worry, Cisco released new versions of its OS.