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如何优化cisco iou

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  有网友这么问小编“如何进入cisco路由器设置密码?”,学习啦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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