22(월) 실습 2 : eigrp, NAT, 권한지정(key chain), 루프백

실습2

용어 정리
eigrp : rip과 비슷한 개념으로, 라우터가 가지고 잇는 정보를 공유하는 역할을 한다.
NAT : 사설IP를 공인IP로 바꿔주는 것.


시험에 나오는 것
1. eigrp 번호 변경하기
2. 액세스리스트 관련
3. nat 관련 설정하기 - inside outside 설정


라우터1
Router>
Router>!
Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#no ip domain-lookup
Router(config)#line con 0
Router(config-line)#logging synch
Router(config-line)#exec-t 0 0
Router(config-line)#exit
Router(config)#ho R1
R1(config)#
R1(config)#int fa0/0
R1(config-if)#ip add 192.168.1.1 255.255.255.0
R1(config-if)#no sh

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

R1(config-if)#
R1(config-if)#
R1(config-if)#exit
R1(config)#
R1(config)#int s0/0
R1(config-if)#ip add 1.1.12.1 255.255.255.0
R1(config-if)#clock rate 64000
R1(config-if)#no sh

%LINK-5-CHANGED: Interface Serial0/0, changed state to down
R1(config-if)#
R1(config-if)#exit
R1(config)#
R1(config)#int loop 1

%LINK-5-CHANGED: Interface Loopback1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback1, changed state to up

R1(config-if)#
R1(config-if)#
R1(config-if)#ip add 210.210.10.1 255.255.255.0
R1(config-if)#exit
R1(config)#
R1(config)#
R1(config)#
%LINK-5-CHANGED: Interface Serial0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up

R1(config)#
R1(config)#
R1(config)#
R1(config)#router eigrp 1
R1(config-router)#no auto
R1(config-router)#no auto-summary
R1(config-router)#net 210.210.10.0
R1(config-router)#net 1.1.12.0 0.0.0.255
R1(config-router)#
%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 1.1.12.2 (Serial0/0) is up: new adjacency

R1(config-router)#exit
R1(config)#
R1(config)#
R1(config)#
R1(config)#
R1(config)#ip nat pool ABC
R1(config)#ip nat pool ABC 210.210.10.1 210.210.10.1 netmask 255.255.255.0
R1(config)#ip nat inside source list 30 pool ABC overload
R1(config)#access-list 30 permit 192.168.1.0 0.0.0.255
R1(config)#
R1(config)#
R1(config)#int fa0/0
R1(config-if)#ip nat inside
R1(config-if)#exit
R1(config)#
R1(config)#
R1(config)#int s0/0
R1(config-if)#ip nat outside
R1(config-if)#exit
R1(config)#
R1(config)#
R1(config)#
R1(config)#show ip nat tra
R1(config)#show ip nat translations
            ^
% Invalid input detected at '^' marker.
 
R1(config)#show ip nat translation
            ^
% Invalid input detected at '^' marker.
 
R1(config)#show ip nat translations
            ^
% Invalid input detected at '^' marker.
 
R1(config)#do show ip nat translations
Pro  Inside global     Inside local       Outside local      Outside global
udp 210.210.10.1:1025  192.168.1.2:1025   210.210.20.2:53    210.210.20.2:53
udp 210.210.10.1:1026  192.168.1.2:1026   210.210.20.2:53    210.210.20.2:53
udp 210.210.10.1:1027  192.168.1.2:1027   210.210.20.2:53    210.210.20.2:53
tcp 210.210.10.1:1025  192.168.1.2:1025   210.210.20.3:80    210.210.20.3:80
tcp 210.210.10.1:1026  192.168.1.2:1026   210.210.20.3:80    210.210.20.3:80
tcp 210.210.10.1:1027  192.168.1.2:1027   210.210.20.3:80    210.210.20.3:80

R1(config)#



라우터2
Router>!
Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#no ip domain-lookup
Router(config)#line con 0
Router(config-line)#logging synch
Router(config-line)#exec-t 0 0
Router(config-line)#exit
Router(config)#ho R2
R2(config)#
R2(config)#int s0/0
R2(config-if)#ip add 1.1.12.2 255.255.255.0
R2(config-if)#no sh

%LINK-5-CHANGED: Interface Serial0/0, changed state to up

R2(config-if)#
R2(config-if)#
R2(config-if)#eit
               ^
% Invalid input detected at '^' marker.
 
R2(config-if)#exit
R2(config)#
R2(config)#int s
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to up

R2(config)#int s0/1
R2(config-if)#ip add 1.1.23.2 255.255.255.0
R2(config-if)#clock rate 64000
R2(config-if)#no sh

%LINK-5-CHANGED: Interface Serial0/1, changed state to down
R2(config-if)#exit
R2(config)#
R2(config)#
%LINK-5-CHANGED: Interface Serial0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed state to up

R2(config)#
R2(config)#
R2(config)#
R2(config)#
R2(config)#router eigrp 1
R2(config-router)#no auto
R2(config-router)#net 1.1.12.0 0.0.0.255
R2(config-router)#net 1.1.23.0 0.0.0.255
R2(config-router)#
%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 1.1.23.3 (Serial0/1) is up: new adjacency

R2(config-router)#
R2(config-router)#
R2(config-router)#
R2(config-router)#exit
R2(config)#
R2(config)#
R2(config)#
%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 1.1.12.1 (Serial0/0) is up: new adjacency

R2(config)#



라우터3
Router>!
Router>en
Router#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Router(config)#no ip domain-lookup
Router(config)#line con 0
Router(config-line)#logging synch
Router(config-line)#exec-t 0 0
Router(config-line)#exit
Router(config)#ho R3
R3(config)#
R3(config)#int s0/1
R3(config-if)#ip add 1.1.23.3 255.255.255.0
R3(config-if)#no sh

%LINK-5-CHANGED: Interface Serial0/1, changed state to up

R3(config-if)#
R3(config-if)#
R3(config-if)#exit
R3(config)#
R3(config)#int fa0/0
R3(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/1, changed state to up

R3(config-if)#ip add 210.210.20.1 255.255.255.0
R3(config-if)#exit
R3(config)#int fa0/0
R3(config-if)#no sh

%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

R3(config-if)#
R3(config-if)#exit
R3(config)#
R3(config)#
R3(config)#
R3(config)#
R3(config)#
R3(config)#
R3(config)#router eigerp 1
                     ^
% Invalid input detected at '^' marker.
 
R3(config)#router eigrp 1
R3(config-router)#no auto
R3(config-router)#no auto-summary
R3(config-router)#net 210.210.20.0
R3(config-router)#net 1.1.23.0 0.0.0.255
R3(config-router)#exit
R3(config)#
R3(config)#
R3(config)#
R3(config)#
%DUAL-5-NBRCHANGE: IP-EIGRP 1: Neighbor 1.1.23.2 (Serial0/1) is up: new adjacency

R3(config)#
R3(config)#
R3(config)#