CCNA Configuration Mr Thongrob Auxsorn Configuration Switch 2950

CCNA Configuration Mr. Thongrob Auxsorn

Configuration Switch 2950 ��config # erase start up # reload ������� config #show running-config #show spanning-tree #show vlan #show interfaces status #show mac-address-table #show ip int brief

Configuration Switch 2950 Vlan 1 default ����� Vlan ������� vlan 2 – 4096 ��� config Switch#show vlan Switch#vlan database Switch(vlan)#vlan 2 name aaa Switch(vlan)#vlan 3 name bbb Switch#config terminal Switch(config)#interface Fast. Ethernet 0/1 -24 Switch(config-if)#switchport mode access Switch(config-if)#switchport access vlan 2

Configuration Switch 2950 Config trunk Switch#config terminal Switch(config)#interface fastethernet 0/3 Switch(config-if)#switchport mode trunk Switch(config-if)#switchport trunk encapsulation dot 1 q , isl VLAN Trunking Protocol (VTP) Switch#vlan database Vlan#vtp server , client , transparent Switch(vlan)#vtp domain jodoi Switch(vlan)#vtp password Switch#show vtp status Cisco only

Configuration Router #hostname _____ #enable password _____ #enable secret _____ #line console 0 #password ______ #login ���������� #login local ����� username___ password ___ ������ config terminal ���� #line vty 0 4 #password ______

Configuration Router Wan Connection - 2 ���� cisco lease line HDLC , PPP Sync Circuit Switch (isdn) HDLC , PPP Async Packet Switch Frame Relay Sync Cell Switch ATM Async DTE Data terminal equipment ������ DCE Data Circuit equipment ������� #Show controller Serial 0 ��������� DTE ���� DCE

Configuration Router router DTE DCE CSU DSU Config#interface serial 0 config#ip address 10. 10. 1 255. 0 config#ip address 10. 10. 2 255. 0 config#clock rate 64000 config#bandwidth 64 config#encapsulation hdlc #Show controller Serial 0 ������� DTE �

Configuration Router R 1 S 0 pap Config#username R 2 password 3 com Config#interface S 0 Config-if#encapsulation ppp Config-if#ppp pap sent-username R 1 password cisco S 0 R 2 Config#username R 1 password cisco Config#interface S 0 Config-if#encapsulation ppp Config-if#ppp pap sent-username R 2 password 3 com #debug ppp authen #no debug all Username ��������� ��� password ����

Configuration Router R 1 S 0 chap S 0 R 2 Chap password ����� Config#username R 2 password cisco Config#interface S 0 Config-if#encapsulation ppp Config-if#ppp authen chap Config#username R 1 password cisco Config#interface S 0 Config-if#encapsulation ppp Config-if#ppp authen chap Chap username ������ hostname ��� password ���� 2 �������

Configuration Router Routing -Static -Dynamic Config static route ( Network ip ) ( subnet mask) ( gateway ip ) Config# ip route________ Ex R 2 config# ip route 192. 168. 1. 0 255. 0 10. 10. 1 R 1 config# ip route 192. 168. 2. 0 255. 0 10. 10. 2 Default route config# ip route 0. 0 10. 10. 2

Configuration Router Dynamic routing -Interier Gateway Protocol (IGP) Autonomous System (AS) ����� -Exterier Gateway Protocol (EGP) Autonomous System (AS) ���� �� CCNA ������ IGP Interier Gateway Protocol (IGP) -Distance vector rip , igrp update table ����� -Link-state ospf , IS-IS ������ database -Balancing Hybrid EIGRP������ link-sta ����� routing ��� distance vector

Configuration Router Routing Information Protocol (RIP) Config#router rip (major network) Config#network ______ Ex 172. 16. 1. 30/24 Mojor network ����� 172. 16. 0. 0 10. 10. 3/26 Mojor network ����� 10. 0 192. 168. 1. 5/28 Mojor network ����� 192. 168. 1. 0 config#router rip config-router#network 172. 16. 0. 0 config-router#network 10. 0 config-router#network 192. 168. 1. 0

Configuration Router Routing Information Protocol (RIP) # ��� Rip ��� hop ������������������� config#router rip config-router#version 2 : version 1 ��� support triggered #debug ip rip #show ip protocol ������ routing #show ip route ������� R

Configuration Router Interier Gateway Routing Protocol (IGRP) ( AS Number ) config#router igrp ______ config#router igrp 100 (major network) config-router#network ______ config-router#network 192. 168. 1. 0 ( events ) #debug ip igrp _______ ( transactions ) Igrp ��������� Metric ����� Bandwidth ��� Delay ���� command show ip protocol ������� K 1 ��� K 3 ���� ��� igrp ���� load balancing ���

Configuration Router OSPF (Open Shorted Path First ) ( process-id ) config#router ospf ______ config#router ospf 101 (network id)_____ ( wildcardarea ) _______ ( area-id ) config-router#network _____ config-router#network 192. 168. 1. 0 0. 0. 0. 255 area 0 #show ip ospf neighbor �������� LSA 8 link-state ������� database ����� LSA (link-state 10 advertisements) ����������� routing ������ BW algolithm SPF ( Shorted Path First ) �������� Cost (cost = )

Configuration Router OSPF (Open Shorted Path First ) # ��� Ex 192. 168. 3. 126/27 config#router ospf 101 config-router#network 192. 168. 3. 96 0. 0. 0. 31 area 0 EIGRP (Enhanced IGRP) ( AS Number ) (config)#router eigrp _______ (config)#router eigrp 102 (major network) (config-router#network _______ (config-router#network 192. 168. 1. 0

Configuration Router Access list - Standard 1 -99 , 1300 -1999 - Extended 100 -199 , 2000 -2699 Standard access list (1 -99) (access number) (permit, deny) (SA)______ (wildcard) Config#access-list _______ Ex Config#access-list 1 deny 192. 168. 12. 100 0. 0 Config#access-list 1 permit any Config#interface S 0 Config#ip access-group 1 in

Configuration Router Standard access list (1 -99) #show ip interface S 0 ������� access-list ��� set ����� Ex Block telnet Config#access-list 2 deny 192. 168. 1. 2 0. 0 Config#access-list 2 permit any Config#line vty 0 4 (config-line)#access-class 2 in

Configuration Router Extended access list (100 -199) (protocol tcp, udp, icmp) (access number) (permit, deny) SA wildcard config#access-list ___________ Eq, Neq, lt, gt _____ DA ____ wildcard _____ Port number Ex Config#access-list 101 deny tcp 192. 168. 1. 0 0. 0. 0. 255 10. 10. 2 0. 0 eq 23 Config#access-list 101 permit ip any config#interface S 0 config-if#ip access-group 101 in

Configuration Router Name access list Config#ip access-list Ex Standdard config#ip access-list standard Internet config# permit 192. 168. 40. 25 0. 0 config#permit 192. 168. 40. 26 0. 0 config#interface e 0 config-if#ip access-group internet in Standard Name _______ Extended Ex Extended config#ip access-list extended Block. Virus 2 config#deny tcp any eq 135 Config#deny tcp any eq 4899 Config#permit ip any config#interface S 0 config-if#ip access-group Block. Virus 2 in

Configuration Router NAT Static - dynamic - Overloading Static Config#ip nat inside source static 192. 168. 1. 2 10. 10. 3 Config#interface S 0 Config-if#ip nat outside Config#interface e 0 - Config-if#ip nat inside #debug ip nat �������� nat

Configuration Router Dynamic Config#ip nat pool name pool start ip end ip netmask Ex Config#ip nat pool ISP 10. 10. 4 10. 10. 8 netmask 255. 0 Config#access-list 1 permit 192. 168. 1. 0 0. 0. 0. 255 Config#ip nat inside source list 1 pool ISP Config#interface e 0 Config-if#ip nat inside outside Config#interface S 0 Config-if#ip nat

Configuration Router Overloading Config#access-list 1 permit 192. 168. 1. 0 0. 0. 0. 255 Config#ip nat inside source list 1 interface S 0 overload �������� overloading ��� dynamic Config#ip nat inside source list 1 pool name pool overload Config#interface e 0 Config-if#ip nat inside Config#interface S 0 Config-if#ip nat outside

Configuration Router ISDN Config#isdn switch-type basic-net 3 , primary-net 3 ����� config ��� interface ����� config-if#isdn switch-type basic-net 3 , primary-net 3 config-if#isdn spid 1 spid-number config-if#isdn spid 2 spid-number ��� service provide ������ Config#ip route 192. 168. 2. 0 255. 0 10. 10. 2 Config#access-list 101 permit tcp any eq smtp

Configuration Router Isdn # ��� Config#username R 2 password cisco Config#interface bri 0 Config-if#Ip address 10. 10. 1 255. 0 Config-if#encapsulation ppp Config-if#ppp authentication chap Config-if#dialer map ip 10. 10. 2 name R 2 5557777 Config-if#dialer-group 1 Config-if#dialer idle-timeout 180 ������

Configuration Router Frame Relay Point-to-point (no sub interface) Config#interface S 0 Config-if#encapsulation frame-relay cisco , ietf Config-if#ip address 10. 10. 1 255. 0 Config-if#bandwidth 256 Config-if#frame-relay lmi-type cisco , ansi , q 933 a

Configuration Router Frame Relay Point-to-point ( sub interface) Config#interface S 0 Config-if#no ip address Config-if#encapsulation frame-relay cisco , ietf Config#interface S 0. 2 point-to-point Config-if#ip address 10. 10. 1 255. 0 Config-if#bandwidth 128 Config-if#frame-relay interface-dlci 120 Config#interface S 0. 3 point-to-point Config-if#ip address 20. 20. 1 255. 0 Config-if#bandwidth 128 Config-if#frame-relay interface-dlci 110

Configuration Router Frame Relay Point-to-multipoint ( sub interface) Config#interface S 0 Config-if#no ip address Config-if#encapsulation frame-relay Config#interface S 0. 2 multipoint Config-if#ip address 10. 10. 1 255. 0 Config-if#bandwidth 256 Config-if#frame-relay map ip 10. 10. 2 120 broadcast Config-if#frame-relay map ip 10. 10. 3 110 broadcast