环境 : centos5.2

软件: dynamic.cisco-ios

1: 下载dynamic bin文件 .

wget http://www.ipflow.utc.fr/dynamips/dynamips-0.2.6-RC4-x86.bin

mv dynamips-0.2.6-RC4-x86.bin /usr/local/bin/dynamips

2: 安装 需要用到的 libs.

wget http://www.mr511.de/software/libelf-0.8.10.tar.gz

编译安装：

./configure --enable-gnu-names

make -j7 DEPSHALIBS="-lc"

make install

cp -r /usr/local/lib/libelf.so.0 /usr/lib/

cp -r /usr/local/lib/libelf-0.8.10.so /usr/lib/

3:下载 ios文件. 这里我以3640路由做例子: (其他ios 就自己去下了. 根据dynamics版本来看他所支持的ios)

wget ftp://wolf:colorwolf5768@ftp.microwolf.net/nettools/ios/c3640-i-mz.122-13.T1.bin

4:开始启动dynamips,并初始化路由:

用法如下：

dynamips -P -p 槽号:模块名

路由的类型，目前可以是7200、3600、2691、3725或3745，缺省是7200。

-p后面跟的是槽号:模块名，表示那个端口模块插在那个物理槽位(从0开始)中，具体的命令用法请查看官方文档。

下面我们来模拟一台Cisco 3640，其中slot0接了一个快速以太网板，slot1接了一个4端口的E1。

dynamips -P 3600 -p:NM-1FE-TX -p 1:NM-4T c3640-i-mz.122-13.T1.bin

Cisco 7200 Simulation Platform (version 0.2.6-RC4-x86)

Copyright (c) 2005,2006 Christophe Fillot.

Build date: Nov 15 2006 23:05:16

IOS image file: c3640-i-mz.122-13.T1.bin

CPU0: carved JIT exec zone of 64 Mb into 2048 pages of 32 Kb.

NVRAM is empty, setting config register to 0x2142

C3600 instance 'default' (id 0):

VM Status : 0

RAM size : 128 Mb

NVRAM size : 128 Kb

Chassis : 3640

IOS image : c3640-i-mz.122-13.T1.bin

Loading ELF file 'c3640-i-mz.122-13.T1.bin'...

ELF entry point: 0x80008000

C3600 'default': starting simulation (CPU0 PC=0xffffffffbfc00000), JIT enabled.

ROMMON emulation microcode.

Launching IOS image at 0x80008000...

Self decompressing the image : ################################################# ###################### [OK]

Invalid iomem value in ROM (5). Smart-init will

now run to compute a valid value

iomem percentage may need to be reset manually

Smart Init is enabled

smart init is sizing iomem

ID MEMORY_REQ TYPE

000044 0X0004FE00 Single Port Fast Ethernet

000054 0X0004E480 4T Mueslix Serial

0X000F3BB0 public buffer pools

0X00211000 public particle pools

TOTAL: 0X003A2E30

If any of the above Memory Requirements are

"UNKNOWN", you may be using an unsupported

configuration or there is a software problem and

system operation may be compromised.

Rounded IOMEM up to: 4Mb.

Using 3 percent iomem. [4Mb/128Mb]

Restricted Rights Legend

Use, duplication, or disclosure by the Government is

subject to restrictions as set forth in subparagraph

(c) of the Commercial Computer Software - Restricted

Rights clause at FAR sec. 52.227-19 and subparagraph

(c) (1) (ii) of the Rights in Technical Data and Computer

Software clause at DFARS sec. 252.227-7013.

cisco Systems, Inc.

170 West Tasman Drive

San Jose, California 95134-1706

Cisco Internetwork Operating System Software

IOS (tm) 3600 Software (C3640-I-M), Version 12.2(13)T1, RELEASE SOFTWARE (fc1)

TAC Support: http://www.cisco.com/tac

Copyright (c) 1986-2003 by cisco Systems, Inc.

Compiled Fri 03-Jan-03 15:10 by ccai

Image text-base: 0x60008930, data-base: 0x60C1A000

cisco 3640 (R4700) processor (revision 0xFF) with 126976K/4096K bytes of memory.

Processor board ID 00000000

R4700 CPU at 100Mhz, Implementation 33, Rev 1.2

Bridging software.

X.25 software, Version 3.0.0.

1 FastEthernet/IEEE 802.3 interface(s)

4 Serial network interface(s)

DRAM configuration is 64 bits wide with parity enabled.

125K bytes of non-volatile configuration memory.

8192K bytes of processor board System flash (Read/Write)　--- System Configuration Dialog ---

Would you like to enter the initial configuration dialog? [yes/no]: y

At any point you may enter a question mark '?' for help.

Use ctrl-c to abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Basic management setup configures only enough connectivity

for management of the system, extended setup will ask you

to configure each interface on the system

Would you like to enter basic management setup? [yes/no]: n

First, would you like to see the current interface summary? [yes]: y

Any interface listed with OK? value "NO" does not have a valid configuration

Interface IP-Address OK? Method Status Prot ocol

FastEthernet0/0 unassigned NO unset up up

Serial1/0 unassigned NO unset up down

Serial1/1 unassigned NO unset up down

Serial1/2 unassigned NO unset up down

Serial1/3 unassigned NO unset up down

Configuring global parameters:

Configuring global parameters:

Enter host name [Router]: croutera3640

The enable secret is a password used to protect access to

privileged EXEC and configuration modes. This password, after

entered, becomes encrypted in the configuration.

Enter enable secret: aaa

The enable password is used when you do not specify an

enable secret password, with some older software versions, and

some boot images.

Enter enable password: aaa1

The virtual terminal password is used to protect

access to the router over a network interface.

Enter virtual terminal password: aaa2

Configure SNMP Network Management? [yes]: n

Configure IP? [yes]: y

Configure IGRP routing? [yes]: n

Configure RIP routing? [no]: n

Configure bridging? [no]: n

Async lines accept incoming modems calls. If you will have

users dialing in via modems, configure these lines.

Configure Async lines? [yes]: n

Configuring interface parameters:

Do you want to configure FastEthernet0/0 interface? [yes]: y

Use the 100 Base-TX (RJ-45) connector? [yes]: y

Operate in full-duplex mode? [no]: y

Configure IP on this interface? [yes]: 216.16.16.77

% Please answer 'yes' or 'no'.

Configure IP on this interface? [yes]: y

IP address for this interface: 216.16.16.77

Subnet mask for this interface [255.255.255.0] : 255.255.255.0

Class C network is 216.16.16.0, 24 subnet bits; mask is /24

Do you want to configure Serial1/0 interface? [yes]: y

Configure IP on this interface? [yes]: y

Configure IP unnumbered on this interface? [no]: n

IP address for this interface: 172.16.0.5

Subnet mask for this interface [255.255.0.0] : 255.255.255.252

Class B network is 172.16.0.0, 30 subnet bits; mask is /30

Do you want to configure Serial1/1 interface? [yes]: n

Do you want to configure Serial1/2 interface? [yes]: n

Do you want to configure Serial1/3 interface? [yes]: n

The following configuration command script was created:

hostname croutera3640

enable secret 5 $1$23Hu$R4Fvrz7dFHw.sJesE4kww.

enable password aaa1

line vty 0 4

password aaa2

no snmp-server

!

ip routing

no bridge 1

!

interface FastEthernet0/0

media-type 100BaseX

full-duplex

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