* 라우터 설정
먼저 R1이라는 라우터가 있다고 하자.
R1>enable
R1(config)#enable secret cisco - 콘솔모드에서 라우터 접속시 암호설정(원격에서는 작동안됨)
하지만 콘솔모드에서는 최우선 암호가됨
R1(config)#enable password korea - 원격모드에서 라우터 접속시 암호설정
R1(config)#line vty 0 4 - 원격접속 활성화
R1(config-line)#password korea - 원격접속시 암호설정
R1(config-line)#login - 접속시 암호질의 활성화
R1(config-line)#^Z
R1#copy run start - 설정 RAM에서 nVRAM으로 저장
Destination filename [startup-config]?
Building configuration...
[OK]
PC>telnet 192.168.1.1 - PC에서 접속확인
Trying 192.168.1.1 ...Open
User Access Verification
Password:
R1>
R1>en
Password:
R1#
R1(config)#int fa0/0
R1(config-if)#ip address 192.168.1.1 255.255.255.0 - 접속점에 아이피설정
R1(config-if)#no shutdown - 라인 업
R1(config)#int s2/0 - 라우터와 라우터 사이의 라인 접속
R1(config-if)#ip address 192.168.0.1 255.255.255.252
* 라우터와 라우터사이는 WAN구간은 속도가 정해져 있기 않기 때문에 모뎀DSU/CSU들이 속도를 지정해 줘야 한다. (클럭레이트-회선속도)
DCE 데이터 서킷 - 데이터 속도를 정함
DTC 데이터 클라이언트 - DCE의 속도를 따름 그대로 받음
R1#show controllers s2/0 - DCE V.35라인을 봐서 라우터가 DCE인지 DTE인지 확인
Interface Serial2/0
Hardware is PowerQUICC MPC860
DCE V.35, no clock
----
R1(config)#int s2/0
R1(config-if)#clock rate ?
Speed (bits per second
1200
2400
4800
9600
19200
38400
56000
64000
72000
125000
128000
148000
250000
500000
800000
1000000
1300000
2000000
4000000
<300-4000000> Choose clockrate from list above
R1(config-if)#clock rate 56000 - 라우터의 클럭레이트를 정함
R1(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router rip - 라우팅 프로토콜 활성화/종류
R1(config-router)#version 2
R1(config-router)#network 192.168.0.0 - 자신이 접속되있는 네트워크를 광고하기위해 테이블에 올림
R1(config-router)#network 192.168.1.0
R1#show ip route - 라우터 테이블 확인
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
192.168.0.0/30 is subnetted, 1 subnets
C 192.168.0.0 is directly connected, Serial2/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R 192.168.2.0/24 [120/1] via 192.168.0.2, 00:00:01, Serial2/0
R1(config)#no router rip - 전작업에 설정했던 라우팅프로토콜을 무력화시키고
R1(config)#ip route 192.168.2.0 255.255.255.0 192.168.0.2 - 알고있는 상대 네트워크주소와 서브넷을 입력하고 자신의 바로 앞의 직접접속된 접점을 설정함
* show interface를 사용하여 설정값 불러오기! - 검토하기(트러블슈팅에 도움이됨)
Router#show int
FastEthernet0/0 is up, line protocol is up (connected)
Hardware is Lance, address is 0060.47ca.2cb9 (bia 0060.47ca.2cb9)
Internet address is 192.168.3.1/24
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
FastEthernet1/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0002.1731.77c7 (bia 0002.1731.77c7)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Serial2/0 is up, line protocol is up (connected)
Hardware is HD64570
Internet address is 172.16.0.9/30
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
Serial3/0 is up, line protocol is up (connected)
Hardware is HD64570
Internet address is 172.16.0.6/30
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
FastEthernet4/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0060.708a.e644 (bia 0060.708a.e644)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
FastEthernet5/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0002.4a8a.ad50 (bia 0002.4a8a.ad50)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
먼저 R1이라는 라우터가 있다고 하자.
R1>enable
R1(config)#enable secret cisco - 콘솔모드에서 라우터 접속시 암호설정(원격에서는 작동안됨)
하지만 콘솔모드에서는 최우선 암호가됨
R1(config)#enable password korea - 원격모드에서 라우터 접속시 암호설정
R1(config)#line vty 0 4 - 원격접속 활성화
R1(config-line)#password korea - 원격접속시 암호설정
R1(config-line)#login - 접속시 암호질의 활성화
R1(config-line)#^Z
R1#copy run start - 설정 RAM에서 nVRAM으로 저장
Destination filename [startup-config]?
Building configuration...
[OK]
PC>telnet 192.168.1.1 - PC에서 접속확인
Trying 192.168.1.1 ...Open
User Access Verification
Password:
R1>
R1>en
Password:
R1#
R1(config)#int fa0/0
R1(config-if)#ip address 192.168.1.1 255.255.255.0 - 접속점에 아이피설정
R1(config-if)#no shutdown - 라인 업
R1(config)#int s2/0 - 라우터와 라우터 사이의 라인 접속
R1(config-if)#ip address 192.168.0.1 255.255.255.252
* 라우터와 라우터사이는 WAN구간은 속도가 정해져 있기 않기 때문에 모뎀DSU/CSU들이 속도를 지정해 줘야 한다. (클럭레이트-회선속도)
DCE 데이터 서킷 - 데이터 속도를 정함
DTC 데이터 클라이언트 - DCE의 속도를 따름 그대로 받음
R1#show controllers s2/0 - DCE V.35라인을 봐서 라우터가 DCE인지 DTE인지 확인
Interface Serial2/0
Hardware is PowerQUICC MPC860
DCE V.35, no clock
----
R1(config)#int s2/0
R1(config-if)#clock rate ?
Speed (bits per second
1200
2400
4800
9600
19200
38400
56000
64000
72000
125000
128000
148000
250000
500000
800000
1000000
1300000
2000000
4000000
<300-4000000> Choose clockrate from list above
R1(config-if)#clock rate 56000 - 라우터의 클럭레이트를 정함
R1(config-if)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface Serial2/0, changed state to up
R1#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R1(config)#router rip - 라우팅 프로토콜 활성화/종류
R1(config-router)#version 2
R1(config-router)#network 192.168.0.0 - 자신이 접속되있는 네트워크를 광고하기위해 테이블에 올림
R1(config-router)#network 192.168.1.0
R1#show ip route - 라우터 테이블 확인
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
192.168.0.0/30 is subnetted, 1 subnets
C 192.168.0.0 is directly connected, Serial2/0
C 192.168.1.0/24 is directly connected, FastEthernet0/0
R 192.168.2.0/24 [120/1] via 192.168.0.2, 00:00:01, Serial2/0
R1(config)#no router rip - 전작업에 설정했던 라우팅프로토콜을 무력화시키고
R1(config)#ip route 192.168.2.0 255.255.255.0 192.168.0.2 - 알고있는 상대 네트워크주소와 서브넷을 입력하고 자신의 바로 앞의 직접접속된 접점을 설정함
* show interface를 사용하여 설정값 불러오기! - 검토하기(트러블슈팅에 도움이됨)
Router#show int
FastEthernet0/0 is up, line protocol is up (connected)
Hardware is Lance, address is 0060.47ca.2cb9 (bia 0060.47ca.2cb9)
Internet address is 192.168.3.1/24
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
FastEthernet1/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0002.1731.77c7 (bia 0002.1731.77c7)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
Serial2/0 is up, line protocol is up (connected)
Hardware is HD64570
Internet address is 172.16.0.9/30
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
Serial3/0 is up, line protocol is up (connected)
Hardware is HD64570
Internet address is 172.16.0.6/30
MTU 1500 bytes, BW 128 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation HDLC, loopback not set, keepalive set (10 sec)
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/0/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 96 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
DCD=up DSR=up DTR=up RTS=up CTS=up
FastEthernet4/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0060.708a.e644 (bia 0060.708a.e644)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
FastEthernet5/0 is administratively down, line protocol is down (disabled)
Hardware is Lance, address is 0002.4a8a.ad50 (bia 0002.4a8a.ad50)
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
ARP type: ARPA, ARP Timeout 04:00:00,
Last input 00:00:08, output 00:00:05, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0 (size/max/drops); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
0 input packets with dribble condition detected
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 2 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier
0 output buffer failures, 0 output buffers swapped out
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