router setting
--------------------------------
기본설정
Router (config)# no ip domain-lookup // 도메인을 찾지 말아라 (명령어를 잘못 쳤을때 도메인으로 인식하지 말
아라)
Router(config)#line console 0
Router(config-line)#exec-timeout 0 0 // 타임아웃 되어서 접속종료하지 말아라
Router(config-line)#logging synchronous
--------------------------------
R1(config)#interface fastEthernet 0/0
R1(config-if)#no shutdown
%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)#ip address 192.168.1.1 255.255.255.0
R1(config)#interface serial 0/0
R1(config-if)#no sh
R1(config-if)#no shutdown
%LINK-5-CHANGED: Interface Serial0/0, changed state to down
R1(config-if)#clo
R1(config-if)#clock rate
R1(config-if)#clock rate 64000
R1(config-if)#ip add
R1(config-if)#ip address 172.16.1.1 255.255.255.252
-------------------------------
R1#show running-config
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
duplex auto
speed auto
interface Serial0/0
ip address 172.16.1.1 255.255.255.252
--------------------------------
R1#show ip interface brief
Interface IP-Address OK? Method Status Protocol
FastEthernet0/0 192.168.1.1 YES manual up up
FastEthernet0/1 unassigned YES unset administratively down down
Serial0/0 172.16.1.1 YES manual down down
Serial0/1 unassigned YES unset administratively down down
Serial0/2 unassigned YES unset administratively down down
Serial0/3 unassigned YES unset administratively down down
FastEthernet1/0 unassigned YES unset administratively down down
FastEthernet1/1 unassigned YES unset administratively down down
R1#copy run start // 설정값 저장
Destination filename [startup-config]?
Building configuration...
R1#ping 192.168.1.100
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.100, timeout is 2 seconds:
.!!!!
Success rate is 80 percent (4/5), round-trip min/avg/max = 47/55/63 ms
-------------------------------------------------------------
R2 설정
R2(config)#interface serial 0/0
R2(config-if)#no shu
R2(config-if)#no shutdown
R2(config-if)#ip address 192.168.2.1 255.255.255.0
R2(config)#interface serial 0/1
R2(config-if)#ip ad
R2(config-if)#ip address 172.16.1.5 255.255.255.252
R2(config-if)#no shutdown
R2(config-if)#clock rate 6400
R2(config)#interface fastEthernet 0/0
R2(config-if)#ip add
R2(config-if)#ip address 192.16.2.1 255.255.255.0
R2(config-if)#no sh
R2(config-if)#no shutdown
--------------------------------------------------------------
R3 설정
R3#configure t
R3(config)#interface fastEthernet 0/0
R3(config-if)#ip address 192.168.3.1 255.255.255.0
R3(config-if)#no shutdown
R3(config)#interface serial 0/0/0
R3(config-if)#ip address 172.16.1.6 255.255.255.252
R3(config-if)#clock rate 64000
R3(config-if)#no shutdown
-------------------------------------------------------------
RIP 설정
R1#configure t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router rip
R1(config)#router rip
R1(config-router)#ver
R1(config-router)#version 2
R1(config-router)#no au
R1(config-router)#no auto-summary
R1(config-router)#
R1(config-router)#network 172.16.0.0 // 172.16. 까지만 인식한다.
R1(config-router)#network 192.168.1.0
R1(config-router)#end
R1#show ip protocols
Routing Protocol is "rip" // rip 에 설정한 내용확인 | 해당 네트워크로 광고 하겠다 rip
Sending updates every 30 seconds, next due in 16 seconds // 30초에 한번씩 업데이트 다음 업데이트 까지 16초
Invalid after 180 seconds, hold down 180, flushed after 240 // 타이머 시간
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 2, receive 2
Interface Send Recv Triggered RIP Key-chain
FastEthernet0/0 2 2
Automatic network summarization is not in effect
Maximum path: 4
Routing for Networks:
172.16.0.0
192.168.1.0
Passive Interface(s):
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 120)
R1#debug ip rip // 장비와 장비 간의 주고 받는 패킷을 볼수 있다 // rip 에 대한 패킷을 보겠다
RIP protocol debugging is on
R1#un all
All possible debugging has been turned off
R1#configure t
R1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router rip
R1(config-router)#passive-interface fa 0/0
R1(config-router)#router rip
R1(config-router)#router rip
R1(config-router)#end
R1#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R1#clear ip route * // 라우팅 테이블의 내용을 지우고 다시 받겠다.
R2 설정
R2(config)#router rip
R2(config)#router rip
R2(config-router)#ver
R2(config-router)#version 2
R2(config-router)#no au
R2(config-router)#no auto-summary
R2(config-router)#
R2(config-router)#network 172.16.0.0 // 172.16. 까지만 인식한다.
R2(config-router)#network 192.168.2.0
R3 설정
R3(config)#router rip
R3(config-router)#versi
R3(config-router)#version 2
R3(config-router)#no au
R3(config-router)#no auto-summary
R3(config-router)#netwo
R3(config-router)#network 172.16.0.0
R3(config-router)#network 192.168.3.0
R3(config-router)#end
R1#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
172.16.0.0/30 is subnetted, 2 subnets
C 172.16.1.0 is directly connected, Serial0/0
R 172.16.1.4 [120/1] via 172.16.1.2, 00:00:16, Serial0/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R 192.168.2.0/24 [120/1] via 172.16.1.2, 00:00:16, Serial0/0
R 192.168.3.0/24 [120/2] via 172.16.1.2, 00:00:16, Serial0/0
R1#RIP: sending v2 update to 224.0.0.9 via Serial0/0 (172.16.1.1)
RIP: build update entries
192.168.1.0/24 via 0.0.0.0, metric 1, tag 0
---------------------------------------------------------------
R1(config-if)#clock rate 64000
백업방법
R1#copy run tftp:
Address or name of remote host []? 192.168.3.200
Destination filename [R1-confg]? R1
백업 복구 방법
R1#copy tftp run
Address or name of remote host []? 192.168.3.200
Source filename []? R1
Destination filename [running-config]?
Accessing tftp://192.168.3.200/R1...
Loading R1 from 192.168.3.200: !
[OK - 950 bytes]
950 bytes copied in 0.125 secs (7600 bytes/sec)
telnet
R1#configure t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#line
R1(config)#line vty 0 4
R1(config-line)#login
% Login disabled on line 66, until 'password' is set
% Login disabled on line 67, until 'password' is set
% Login disabled on line 68, until 'password' is set
% Login disabled on line 69, until 'password' is set
% Login disabled on line 70, until 'password' is set
R1(config-line)#password cisco
복구 모드 // 패스워드 복구 주의 !!!!! 레지스트리 값을 잘못 넣으면 장비가 고장날수도 있다.
Router 리붓후 컨트롤 브레이크키
rommon 1 > confreg 0X2142
rommon 1 > reset
Router>en
Router#copy start run
Destination filename [running-config]?
%SYS-5-CONFIG_I: Configured from console by console
1037 bytes copied in 0.416 secs (2492 bytes/sec)
R1#
R1#configure t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#no enable secre
R1(config)#no enable secret
R1(config)#config-register 0x2102 /// 레지스트리 변환
R1#copy run start // nv ram 의 설정값 변환
-------------------
R1#show flash:
System flash directory:
File Length Name/status
3 5571584 c2600-i-mz.122-28.bin
2 28282 sigdef-category.xml
1 227537 sigdef-default.xml
[5827403 bytes used, 58188981 available, 64016384 total]
63488K bytes of processor board System flash (Read/Write)
R1#delete flash:c2600-i-mz.122-28.bin
Delete filename [c2600-i-mz.122-28.bin]?
Delete flash:/c2600-i-mz.122-28.bin? [confirm]
R1#show flash:
System flash directory:
File Length Name/status
2 28282 sigdef-category.xml
1 227537 sigdef-default.xml
[255819 bytes used, 63760565 available, 64016384 total]
63488K bytes of processor board System flash (Read/Write)
복구 모드
라우터 fa 0/0 ----------tftp server 와 연결 되어 있어야 한다.
rommon 1 >
rommon 1 > IP_ADDRESS=1.1.12.1
rommon 2 > IP_SUBNET_MASK=255.255.255.0
rommon 3 > DEFAULT_GATEWAY=1.1.12.10
rommon 4 > TFTP_SERVER=1.1.12.10
rommon 5 > TFTP_FILE=c2600-i-mz.122-28.bin
rommon 6 > tftpdnld
IP_ADDRESS: 1.1.12.1
IP_SUBNET_MASK: 255.255.255.0
DEFAULT_GATEWAY: 1.1.12.10
TFTP_SERVER: 1.1.12.10
TFTP_FILE: c2600-i-mz.122-28.bin
Invoke this command for disaster recovery only.
WARNING: all existing data in all partitions on flash will be lost!
Do you wish to continue? y/n: [n]: y
rommon 7 > reset
------------------------
ios 업데이트
R1#copy tftp flash:
Address or name of remote host []? 192.168.3.200
Source filename []? c2600-ipbasek9-mz.124-8.bin
Destination filename [c2600-ipbasek9-mz.124-8.bin]?
Accessing tftp://192.168.3.200/c2600-ipbasek9-mz.124-8.bin...
Loading c2600-ipbasek9-mz.124-8.bin from 192.168.3.200:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
[OK - 13169700 bytes]
13169700 bytes copied in 28.344 secs (10047 bytes/sec)
R1#
R1(config)#boot system flash:c2600-ipbasek9-mz.124-8.bin
------------------
RAS 장비
CCNA_R&S<36>#show user
Line User Host(s) Idle Location
2 tty 2 idle 00:00:00
4 tty 4 idle 00:00:00
5 tty 5 idle 00:00:00
6 tty 6 idle 00:00:05
9 tty 9 idle 00:00:00
10 tty 10 idle 00:00:00
11 tty 11 idle 00:00:00
12 tty 12 idle 2w3d
13 tty 13 idle 2w3d
14 tty 14 idle 2w3d
* 18 vty 0 ccna3 idle 00:00:00 1.212.198.221
19 vty 1 ccna3 idle 00:00:00 1.212.198.221
20 vty 2 ccna3 idle 00:00:00 1.212.198.221
21 vty 3 ccna3 idle 00:00:00 1.212.198.221
22 vty 4 ccna3 idle 00:00:03 1.212.198.221
23 vty 5 ccna3 idle 00:00:00 1.212.198.221
Interface User Mode Idle Peer Address
CCNA_R&S<36>#show host
Default domain is not set
Name/address lookup uses static mappings
Host Flags Age Type Address(es)
RACK1R1 (perm, OK) 54 IP 36.36.36.36
RACK2R3 (perm, OK) 69 IP 36.36.36.36
RACK2R2 (perm, OK) 67 IP 36.36.36.36
RACK1R3 (perm, OK) 69 IP 36.36.36.36
RACK1R2 (perm, OK) 54 IP 36.36.36.36
RACK2R1 (perm, OK) 69 IP 36.36.36.36
RACK2SW3 (perm, OK) ** IP 36.36.36.36
RACK1SW2 (perm, OK) ** IP 36.36.36.36
RACK2SW2 (perm, OK) ** IP 36.36.36.36
RACK2SW1 (perm, OK) ** IP 36.36.36.36
RACK1SW3 (perm, OK) ** IP 36.36.36.36
RACK1SW1 (perm, OK) ** IP 36.36.36.36
CCNA_R&S<36>#RACK1R1
CCNA_R&S<36>clear line 03
CCNA_R&S<36>#RACK1R1
Translating "RACK1R1"
Trying RACK1R1 (36.36.36.36, 2001)... Open
Router>
Router>enable
Router#erase start
Router#erase startup-config
Router#reload
R1(config)#do show run
R1(config-if)#ip address 172.168.1.1 255.255.255.0 secondary
R1(config-if)#ip address 172.168.3.1 255.255.255.0 secondary
R1(config-if)#ip address 172.168.4.1 255.255.255.0 secondary // 여러개의 아이피값 설정 가능
