016 ppp authentication
摘要:Press RETURN to get started! Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#hostname r0 r0(config)#int s0/0 r0(config-if)#no shut %LINK-...
阅读全文
posted @
2016-12-09 17:24
sanyuanyanjin
阅读(414)
推荐(0)
015 WAN
摘要:Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int s0/0/0 Router(config-if)#en Router(config-if)#encapsulation ? frame-relay Frame Relay networks hd...
阅读全文
posted @
2016-12-09 17:23
sanyuanyanjin
阅读(178)
推荐(0)
013 IPv6
摘要:Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#ipv6 ? access-list Configure access lists dhcp Configure Ipv6 DHCP gen...
阅读全文
posted @
2016-12-09 17:21
sanyuanyanjin
阅读(512)
推荐(0)
014 DNS
摘要:解析主机名 Router>en Password: Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#ip host r1 Router(config)#ip host r1 10.2.2.2 Router(config)#ip host ap 10.1.1.2...
阅读全文
posted @
2016-12-09 17:21
sanyuanyanjin
阅读(157)
推荐(0)
012 router password
摘要:Press RETURN to get started! Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#hostname r0 r0(config)#enable secret lajfklajfjkla r0(config)#...
阅读全文
posted @
2016-12-09 17:20
sanyuanyanjin
阅读(328)
推荐(0)
011 router backup
摘要:Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int f0/0 Router(config-if)#no shut %LINK-5-CHANGED: Interface FastEthernet0/0, changed state to...
阅读全文
posted @
2016-12-09 17:19
sanyuanyanjin
阅读(291)
推荐(0)
010 ACL
摘要:Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#acc Router(config)#access-list 1 deny 192.168.0.0 0.0.0.255 Router(config)#a Router(config)#acc R...
阅读全文
posted @
2016-12-09 17:02
sanyuanyanjin
阅读(161)
推荐(0)
009 NAT
摘要:static nat r1(config)#ip nat inside source static 192.168.1.2 10.0.0.2 r1(config)#int f0/0 r1(config-if)#ip nat inside r1(config-if)#int s0/0 r1(config-if)#ip nat outside r1(config-if)#end PAT r1#co...
阅读全文
posted @
2016-12-09 14:19
sanyuanyanjin
阅读(173)
推荐(0)
008 frame relay
摘要:Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#int s0/0/0 Router(config-if)#en Router(config-if)#encapsulation f Router(config-if)#encapsulation...
阅读全文
posted @
2016-12-09 14:18
sanyuanyanjin
阅读(161)
推荐(0)
007 Vlan config
摘要:sw0(config)#vlan 2 sw0(config-vlan)#name Sales sw0(config-vlan)#vlan 3 sw0(config-vlan)#name Tech sw0(config-vlan)#int range f0/2 - 3 sw0(config-if)#swi sw0(config-if)#switchport access vlan 2 sw0(co...
阅读全文
posted @
2016-12-09 14:17
sanyuanyanjin
阅读(179)
推荐(0)
006 Cisco switch prewired
摘要:Switch>en Switch#config t Enter configuration commands, one per line. End with CNTL/Z. Switch(config)#hostname sw0 sw0(config)#clock set 8:33:26 17 Feb 2012 ^ % Invalid input detec...
阅读全文
posted @
2016-12-09 14:15
sanyuanyanjin
阅读(144)
推荐(0)
005 EIGRP
摘要:Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#router eigrp 1 Router(config-router)#network 10.0.0.0 Router(config-router)#network 202.10.20.0 R...
阅读全文
posted @
2016-12-09 14:14
sanyuanyanjin
阅读(99)
推荐(0)
004 ospf
摘要:r0(config)#router ospf 1 OSPF process 1 cannot start. There must be at least one "up" IP interface r0(config-router)#network 10.0.0.1 0.0.0.0 area 0 r0(config-router)#network 202.10.20.0 0.0.0.255 ar...
阅读全文
posted @
2016-12-09 14:12
sanyuanyanjin
阅读(395)
推荐(0)
003 rip
摘要:r0#config t Enter configuration commands, one per line. End with CNTL/Z. r0(config)#router rip r0(config-router)#network 202.10.20.0 r0(config-router)#network 10.0.0.0 r0(config-router)#version 2 R1(...
阅读全文
posted @
2016-12-09 14:11
sanyuanyanjin
阅读(142)
推荐(0)
001 Cisco router prewired
摘要:Cisco router 预配: Router>en Router#config t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#hostname r0 r0(config)# Router(config)#enable secret yanjin Router(config)#no ip...
阅读全文
posted @
2016-12-09 14:10
sanyuanyanjin
阅读(166)
推荐(0)
002 static and default route
摘要:r2(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1 r1(config)#ip route 192.168.3.0 255.255.255.0 192.168.2.2 r1(config)#ip route 0.0.0.0 0.0.0.0 192.168.2.1来自为知笔记(Wiz)
阅读全文
posted @
2016-12-09 14:10
sanyuanyanjin
阅读(107)
推荐(0)
CCNA一些要点
摘要:考试范围: TK640-801(Cisco Certified Network Associate 640-801 ICND Course Notes)。 信息单位: 1Byte=8Bit。 网卡NIC(Network Interface Card): Bps=byte per second; 网络介质Media:传输电磁波用,有铜缆、光缆等; ...
阅读全文
posted @
2016-12-09 14:06
sanyuanyanjin
阅读(208)
推荐(0)
NA路由②
摘要:CISCO常见的命令语法: R(c)#ip route network {mask} address/interface ; 参数 {}可选项 / 为选择 子网划分的原则: 主机位全0表示为网路号; 主机位全1表示为广播地址; 子网掩码的规则:网路长度为:8×n+m,则子网掩码为:255.2...
阅读全文
posted @
2016-12-09 14:04
sanyuanyanjin
阅读(453)
推荐(0)
NA路由①
摘要:Cisco设备的端口: 在Cisco的路由器上都有一个带外网管口(Console/AUX); Con口主要用于本地的con线进行本地网管; AUX口主要与Modem连接通过固话网PSTN连接远端AUX进行远程网管; 带内网管接口:Ether口(AUI)/Serail口(SERAIL)/ISDN口(BRI),通过虚拟接口(VTY)实现网管,每个路由器默认有5个TELn...
阅读全文
posted @
2016-12-09 14:03
sanyuanyanjin
阅读(459)
推荐(0)
NA交换②
摘要:虚拟局域网VLAN的核心目的: 将一个大的网络划分为小的网络,也称为网络分片(Segementation);一个VLAN对应着一个广播域,最好对应一个网络子网(为VLAN间的路由作准备)。 HUB:所有端口都在一个冲突域,一个广播域中; Switch:一个端口对应一个冲突域,所有端口都在一个广播域中; Router:一个端口对应一个冲突域,一个端口对应一个广播域; ...
阅读全文
posted @
2016-12-09 14:02
sanyuanyanjin
阅读(295)
推荐(0)