Cisco 4900M

Prezados

Estou com a seguinte dúvida.

Possuo um Switch Catalyst 4900M, com as seguintes caracteristicas

Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500e-IPBASE-M), Version 12.2(53)SG2, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Tue 16-Mar-10 02:39 by prod_rel_team
Image text-base: 0x10000000, data-base: 0x1240D93C

ROM: 12.2(44r)SG5
Darkside Revision 0, Jawa Revision 11, Tatooine Revision 140, Forerunner Revision 1.78

Switch uptime is 18 minutes
System returned to ROM by power-on
System image file is "bootflash:cat4500e-ipbase-mz.122-53.SG2.bin"

cisco WS-C4900M (MPC8548) processor (revision 2) with 524288K bytes of memory.
Processor board ID JAE14520EYO
MPC8548 CPU at 1.33GHz, Cisco Catalyst 4900M
Last reset from PowerUp
1 Virtual Ethernet interface
20 Gigabit Ethernet interfaces
12 Ten Gigabit Ethernet interfaces
511K bytes of non-volatile configuration memory.
Configuration register is 0xE441
Sendo que esse IOS não dá suporte a SSH, e na lista de imagens disponíveis para download existem essas opções


ENTERPRISE SERVICES UPGRADE W/O CRYPTO Service Contract Required
cat4500e-entservices-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 24343.67 KB (24927911 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

ENTERPRISE SERVICES W/O CRYPTO Service Contract Required
cat4500e-entservices-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 24343.67 KB (24927911 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

ENTERPRISE SERVICES UPGRADE SSH Service Contract Required
cat4500e-entservicesk9-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 25045.18 KB (25646261 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

ENTERPRISE SERVICES SSH Service Contract Required
cat4500e-entservicesk9-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 25045.18 KB (25646261 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

IP BASE UPGRADE W/O CRYPTO
cat4500e-ipbase-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 23408.54 KB (23970342 bytes)
Minimum Memory: DRAM:512MB Flash:128MB


IP BASE W/O CRYPTO
cat4500e-ipbase-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 23408.54 KB (23970342 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

IP BASE SSH
cat4500e-ipbasek9-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 24100.54 KB (24678948 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

IP BASE UPGRADE SSH
cat4500e-ipbasek9-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 24100.54 KB (24678948 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

LAN BASE W/O CRYPTO
cat4500e-lanbase-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 22339.82 KB (22875967 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

LAN BASE SSH
cat4500e-lanbasek9-mz.122-53.SG2.bin
Release Date: 23/MAR/2010

Size: 22933.56 KB (23483957 bytes)
Minimum Memory: DRAM:512MB Flash:128MB

Gostaria de saber qual dessas imagens posso atualizar meu equipamento e ter acesso a configuração de SSH.

Qualquer uma das imagens "k9" possuem SSH

abs