PPP 예제2
참고 : https://networklessons.com/cisco/ccna-routing-switching-icnd2-200-105/ppp-multilink
ㄴ 참고용 이미지
Router(config-if)#do show controllers serial1/0 | include clock
cable type : V.11 (X.21) DCE cable, received clockrate 2015232
Router A,B:
Router(config-if)#int s1/0
Router(config-if)#encapsulation ppp
Router(config-if)#int s2/0
Router(config-if)#encapsulation ppp
Router A
Router(config)#interface multilink 1
Router(config-if)#ip address 192.168.12.1 255.255.255.0
Router B
Router(config)#interface multilink 1
Router(config-if)#ip address 192.168.12.2 255.255.255.0
Router A,B
Router(config)# interface s1/0
Router(config-if)#ppp multilink group 1
Router(config)# interface s2/0
Router(config-if)#ppp multilink group 1
=> 여기까지하면 ppp multilink configuration이 됨
OSPF 설정
Router A
Router(config)# Router ospf 1
Router(config-router)#network 192.168.12.0 0.0.0.255 area 0
Router(config-router)#network 1.1.1.1 0.0.0.0 area 0
Router B
Router(config-router)#network 192.168.12.0 0.0.0.255 area 0
검증
[syslog]
Router(config-router)#
*Dec 26 13:21:55.217: %OSPF-5-ADJCHG: Process 1, Nbr 192.168.12.2 on Multilink1 from LOADING to FULL, Loading Done
Router A
Router#show run int multilink 1
Building configuration...
Current configuration : 105 bytes
!
interface Multilink1
ip address 192.168.12.1 255.255.255.0
ppp multilink
ppp multilink group 1
End
Router#show int multilink 1
Multilink1 is up, line protocol is up
Hardware is multilink group interface
Internet address is 192.168.12.1/24
MTU 1500 bytes, BW 3088 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Open, multilink Open
Open: IPCP, CDPCP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 2 seconds on reset
Last input 00:00:03, output never, output hang never
Last clearing of "show interface" counters 00:42:05
Input queue: 0/75/0/0 (size/max/drops/flushes); 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
58 packets input, 6750 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
64 packets output, 7998 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
RouterA#show ppp multilink
Multilink1
Bundle name: Router
Remote Endpoint Discriminator: [1] Router
Local Endpoint Discriminator: [1] Router
Bundle up for 00:11:25, total bandwidth 3088, load 1/255
Receive buffer limit 24000 bytes, frag timeout 1000 ms
0/0 fragments/bytes in reassembly list
0 lost fragments, 3 reordered
0/0 discarded fragments/bytes, 0 lost received
0x57 received sequence, 0x5C sent sequence
Member links: 2 active, 0 inactive (max 255, min not set)
Se1/0, since 00:11:25
Se2/0, since 00:11:08
No inactive multilink interfaces
Router A,B
Router#show int s1/0 | include line protocol
Serial1/0 is up, line protocol is up
Router#show int s2/0 | include line protocol
Serial2/0 is up, line protocol is up
Router B
Router(config-router)#do show run int multilink 1
Building configuration...
Current configuration : 105 bytes
!
interface Multilink1
ip address 192.168.12.2 255.255.255.0
ppp multilink
ppp multilink group 1
end
Router#show int multilink 1
Multilink1 is up, line protocol is up
Hardware is multilink group interface
Internet address is 192.168.12.2/24
MTU 1500 bytes, BW 3088 Kbit/sec, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Open, multilink Open
Open: IPCP, CDPCP, loopback not set
Keepalive set (10 sec)
DTR is pulsed for 2 seconds on reset
Last input 00:00:05, output never, output hang never
Last clearing of "show interface" counters 00:11:39
Input queue: 0/75/0/0 (size/max/drops/flushes); 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
71 packets input, 8254 bytes, 0 no buffer
Received 0 broadcasts (0 IP multicasts)
0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
67 packets output, 8188 bytes, 0 underruns
0 output errors, 0 collisions, 1 interface resets
0 unknown protocol drops
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
RouterB#show ppp multilink
Multilink1
Bundle name: Router
Remote Endpoint Discriminator: [1] Router
Local Endpoint Discriminator: [1] Router
Bundle up for 00:12:27, total bandwidth 3088, load 1/255
Receive buffer limit 24000 bytes, frag timeout 1000 ms
0/0 fragments/bytes in reassembly list
0 lost fragments, 8 reordered
0/0 discarded fragments/bytes, 0 lost received
0x64 received sequence, 0x5F sent sequence
Member links: 2 active, 0 inactive (max 255, min not set)
Se1/0, since 00:12:27
Se2/0, since 00:12:09
No inactive multilink interfaces