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OSPF Virtual-link 实验总结
使用3台路由器模拟实验，OSPF路由器进入FULL状态，路由生成。配置如下：
R1#sh ver
Cisco IOS Software, 3600 Software (C3640-JS-M), Version 12.4(17), RELEASE SOFTWA RE (fc1)
Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2007 by Cisco Systems, Inc. Compiled Fri 07-Sep-07 20:35 by prod_rel_team
ROM: ROMMON Emulation Microcode
ROM: 3600 Software (C3640-JS-M), Version 12.4(17), RELEASE SOFTWARE (fc1)
R1 uptime is 10 minutes
System returned to ROM by unknown reload cause - suspect boot_data[BOOT_COUNT] 0 x0, BOOT_COUNT 0, BOOTDATA 19
System image file is \
Cisco 3640 (R4700) processor (revision 0xFF) with 94208K/4096K bytes of memory. Processor board ID 00000000
R4700 CPU at 100MHz, Implementation 33, Rev 1.2 4 Ethernet interfaces 4 Serial interfaces
DRAM configuration is 64 bits wide with parity enabled. 125K bytes of NVRAM.
8192K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
R1#sh run
Building configuration...
Current configuration : 1501 bytes !
version 12.4
service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption !
hostname R1
!
boot-start-marker boot-end-marker ! !
no aaa new-model memory-size iomem 5 ! !
ip cef
no ip domain lookup ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! !
interface Loopback0
ip address 200.17.1.1 255.255.255.0 !
interface Loopback1
ip address 100.1.64.4 255.255.255.255 ip ospf 1 area 2 !
interface Loopback2
ip address 100.1.64.5 255.255.255.255 ip ospf 1 area 2 !
interface Loopback3
ip address 100.1.64.6 255.255.255.255 ip ospf 1 area 2
!
interface Loopback4
ip address 100.1.64.7 255.255.255.255 ip ospf 1 area 2 !
interface Ethernet0/0
ip address 132.17.12.1 255.255.255.0 ip ospf authentication
ip ospf authentication-key sdx full-duplex !
interface Ethernet0/1 no ip address shutdown half-duplex !
interface Ethernet0/2 no ip address shutdown half-duplex !
interface Ethernet0/3 no ip address shutdown half-duplex !
interface Serial1/0 no ip address shutdown
serial restart-delay 0 !
interface Serial1/1 no ip address shutdown
serial restart-delay 0 !
interface Serial1/2 no ip address shutdown
serial restart-delay 0 !
interface Serial1/3 no ip address shutdown