有网友这么问小编“如何进入cisco路由器设置密码?”，小编在网上搜索了一些资料，供大家参考。

Cisco IOU的优化拓扑图

启动脚本：

mkdir -p /root/CiscoIOU/ccnp

ln -s /root/CiscoIOU/wrapper-linux /root/CiscoIOU/ccnp/router

touch /root/CiscoIOU/ccnp/runlab

chmod +x /root/CiscoIOU/ccnp/runlab

vi /root/CiscoIOU/ccnp/runlab

i

#!/bin/bash

#set -v

cd /root/CiscoIOU/ccnp

export NETIO_NETMAP=/root/CiscoIOU/ccnp/NETMAP

export IOURC=/root/CiscoIOU/iourc

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2001 1 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2002 2 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2003 3 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2004 4 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2005 5 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2006 6 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2007 7 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2008 8 — -e 1 -s 1 -n 1024 & sleep 2

./router -m /root/CiscoIOU/i86bi_linux-adventerprisek9-ms -p 2009 9 — -e 4 -s 4 -n 1024 & sleep 2

unset NETIO_NETMAP

unset IOURC

echo *****ALL ROUTERS STRATED*****

拓扑脚本：

vi /root/CiscoIOU/ccnp/NETMAP

i

1:1/1 2:1/0

2:1/1 3:1/0

3:1/1 4:1/0

4:1/1 5:1/0

5:1/1 6:1/0

6:1/1 7:1/0

7:1/1 8:1/0

1:0/0 2:0/0 3:0/0 4:0/0 5:0/0 6:0/0 7:0/0 8:0/0

1:1/2 9:4/0

2:1/2 9:4/1

3:1/2 9:4/2

4:1/2 9:4/3

5:1/2 9:5/0

6:1/2 9:5/1

7:1/2 9:5/2

8:1/2 9:5/3

cisco思科IOU/IOL不支持的特性

思科的IOU是很强大，但也并不是万能的，也有一些特性不支持，实验没法做。与GNS3相比，各有千秋吧。

Not supported/working on Layer 3 IOL (Linux)

Multicast with BSR

NTP Authentication

PPPoE (working on 12.4, and 15.2(2.3)T)

Routing loops (IOL will crash)

Not supported/working on Layer 2 IOL (Linux)

802.1q Tunneling

Cisco ISL trunks

DHCP Snooping

HSRP address not pingable

L2 PortChannel (not working on 12.2, working on 15.0)

L3 PortChannel

NVI NAT (classic NAT works on TPGEN images only)

PVLAN

QinQ

Routing loops (IOL will crash)

SPAN/RSPAN/ERSPAN

VTP version 2 (VTP version 1 works)

Not supported/working on Layer 3 IOU (Solaris)

VTP version 2 (VTP version 1 works)

Not supported/working on Layer 2 IOU (Solaris)

VTP version 2 (VTP version 1 works)

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