Cần góp ý nâng cấp IOS

[vipbk09]

Hiện tại em đang có 1 con Router 3660.

Router#show flash
System flash directory:
File Length Name/status
1 5928976 c3660-i-mz.122-1.bin
[5929040 bytes used, 19236784 available, 25165824 total]
24576K bytes of processor board System flash (Read/Write)

Router#show version
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3660-I-M), Version 12.2(1), RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Fri 27-Apr-01 08:34 by cmong
Image text-base: 0x60008960, data-base: 0x60A40000

ROM: System Bootstrap, Version 12.0(6r)T, RELEASE SOFTWARE (fc1)

Router uptime is 37 minutes
System returned to ROM by power-on
System image file is "flash:c3660-i-mz.122-1.bin"

cisco 3660 (R527x) processor (revision C0) with 89088K/9216K bytes of memory.
Processor board ID JAB053080SR
R527x CPU at 225Mhz, Implementation 40, Rev 10.0, 2048KB L2 Cache
MICA-6DM Firmware: CP ver 2720 - 5/30/2000, SP ver 2720 - 5/30/2000.
Bridging software.
X.25 software, Version 3.0.0.

3660 Chassis type: ENTERPRISE
2 FastEthernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)

Router uptime is 37 minutes
System returned to ROM by power-on
System image file is "flash:c3660-i-mz.122-1.bin"

cisco 3660 (R527x) processor (revision C0) with 89088K/9216K bytes of memory.
Processor board ID JAB053080SR
R527x CPU at 225Mhz, Implementation 40, Rev 10.0, 2048KB L2 Cache
MICA-6DM Firmware: CP ver 2720 - 5/30/2000, SP ver 2720 - 5/30/2000.
Bridging software.
X.25 software, Version 3.0.0.


3660 Chassis type: ENTERPRISE
2 FastEthernet/IEEE 802.3 interface(s)
2 Serial(sync/async) network interface(s)
18 terminal line(s)
DRAM configuration is 64 bits wide with parity disabled.
125K bytes of non-volatile configuration memory.
24576K bytes of processor board System flash (Read/Write)

Configuration register is 0x2142

IOS không hỗ trợ SSH nên em đang định nâng cấp. Nhưng không có nhiều kinh nghiệm. Mong mọi người góp ý.