Инициализация сетевого оборудования Петухов Андрей petand lvk cs msu

Инициализация сетевого оборудования Петухов Андрей petand@lvk. cs. msu. su Антоненко Виталий anvial@lvk. cs. msu. su комната 247

Коммутаторы 2

Маршрутизаторы 3

Управляющее воздействие 4

Обычный режим 5

Привилегированный режим 6

Привилегированный режим 7

Инструменты командной строки 8

Контекстная помощь 9

Просмотр списка доступных команд Router. X>? Exec commands: access-enable access-profile clear connect disable disconnect enable exit help lat lock login logout -- More -- Create a temporary Access-List entry Apply user-profile to interface Reset functions Open a terminal connection Turn off privileged commands Disconnect an existing network connection Turn on privileged commands Exit from the EXEC Description of the interactive help system Open a lat connection Lock the terminal Log in as a particular user Exit from the EXEC 10

История команд 11

Режимы конфигурации коммутатора Режимы конфигурации: § Режим глобальной конфигурации – Switch. X#configure terminal – Switch. X(config)# § Режим конфигурации интерфейса – Switch. X(config)#interface fa 0/1 – Switch. X(config-if)# 12

Режимы конфигурации маршрутизатора 13

Общая настройка сетевого устройства Device. X(config)#hostname Device. X(config)#enable password cisco Device. X(config)#enable secret san-fran Device. X(config)#service password-encryption Device. X(config)#banner motd # Authorized access only! # 14

Конфигурирование консольного соединения на сетевом устройстве Device. X(config)#line console 0 Device. X(config-line)#exec-timeout 20 30 Device. X(config)#line console 0 Device. X(config-line)#logging synchronous Device. X(config)#line console 0 Device. X(config-line)#password cisco Device. X(config-line)#login 15

Конфигурирование терминального соединения на сетевом устройстве Device. X(config)#line vty 0 4 Device. X(config-line)#exec-timeout 20 30 Device. X(config)#line vty 0 4 Device. X(config-line)#logging synchronous Device. X(config)#line vty 0 4 Device. X(config-line)#password cisco Device. X(config-line)#login 16

Настройка интерфейса Router. X(config)#interface type number Router. X(config-if)# Router. X(config)#interface type slot/port Router. X(config-if)# description string Router. X(config-if)# clock rate number Router. X(config-if)#exit 17

Настройка IP адреса коммутатора Switch. X(config)#interface vlan 1 Switch. X(config-if)#ip address {ip address} {mask} Пример: Switch. X(config)#interface vlan 1 Switch. X(config-if)#ip address 10. 5. 5. 11 255. 0 Switch. X(config-if)#no shutdown Switch. X(config)#ip host Router-X-1 10. 1. 1. 1 18

Настройка шлюза по умолчанию у коммутатора Switch. X(config)#ip default-gateway {ip address} Пример: Switch. X(config)#ip default-gateway 172. 20. 137. 1 19

Настройка IP адреса маршрутизатора Router. X(config)#interface ethernet 0 Router. X(config-if)#ip address {ip address} {mask} Пример: Router. X(config)#interface ethernet 0 Router. X(config-if)#ip address 10. 5. 5. 11 255. 0 Router. X(config-if)#no shutdown Router. X(config)#ip host Switch-X-1 10. 1. 1. 100 20

Включение и отключение интерфейса Router. X#configure terminal Router. X(config)#interface serial 0 Router. X(config-if)#shutdown %LINK-5 -CHANGED: Interface Serial 0, changed state to administratively down %LINEPROTO-5 -UPDOWN: Line protocol on Interface Serial 0, changed state to down Router. X#configure terminal Router. X(config)#interface serial 0 Router. X(config-if)#no shutdown %LINK-3 -UPDOWN: Interface Serial 0, changed state to up %LINEPROTO-5 -UPDOWN: Line Protocol on Interface Serial 0, changed state to up 21

Текущая и начальная конфигурация 22

Сохранение конфигурации Switch. X copy running-config startup-config Destination filename [startup-config]? Building configuration… Switch. X 23

Вывод информации о сетевом устройстве Device. X#show version Device. X#show running-config Device. X#show interfaces 24

Команда show version на коммутаторе Switch#show version Cisco IOS Software, C 2960 Software (C 2960 -LANBASEK 9 -M), Version 12. 2(25)SEE 2, RELEASE SOFTWARE (fc 1) Copyright (c) 1986 -2006 by Cisco Systems, Inc. Compiled Fri 28 -Jul-06 11: 57 by yenanh Image text-base: 0 x 00003000, data-base: 0 x 00 BB 7944 ROM: Bootstrap program is C 2960 boot loader BOOTLDR: C 2960 Boot Loader (C 2960 -HBOOT-M) Version 12. 2(25 r)SEE 1, RELEASE SOFTWARE (fc 1) Switch uptime is 24 minutes System returned to ROM by power-on System image file is "flash: c 2960 -lanbasek 9 -mz. 122 -25. SEE 2/c 2960 -lanbasek 9 -mz. 12225. SEE 2. bin" cisco WS-C 2960 -24 TT-L (Power. PC 405) processor (revision B 0) with 61440 K/4088 K bytes of memory. Processor board ID FOC 1052 W 3 XC Last reset from power-on 1 Virtual Ethernet interface 24 Fast. Ethernet interfaces 2 Gigabit Ethernet interfaces The password-recovery mechanism is enabled. ! Text omitted Switch# 25

Команда show interfaces на коммутаторе Switch. X#show interfaces Fast. Ethernet 0/2 is up, line protocol is up (connected) Hardware is Fast Ethernet, address is 0008. a 445. ce 82 (bia 0008. a 445. ce 82) MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Half-duplex, 10 Mb/s input flow-control is unsupported output flow-control is unsupported ARP type: ARPA, ARP Timeout 04: 00 Last input 4 w 6 d, output 00: 01, output hang never Last clearing of "show interface" counters never 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 182979 packets input, 16802150 bytes, 0 no buffer Received 49954 broadcasts (0 multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 8 ignored 0 watchdog, 20115 multicast, 0 pause input 0 input packets with dribble condition detected 3747473 packets output, 353656347 bytes, 0 underruns --More-- 26

Команда show interfaces на маршрутизаторе Router. X#show interfaces Ethernet 0 is up, line protocol is up Hardware is Lance, address is 00 e 0. 1 e 5 d. ae 2 f (bia 00 e 0. 1 e 5 d. ae 2 f) Internet address is 10. 1. 1. 11/24 MTU 1500 bytes, BW 10000 Kbit, DLY 1000 usec, rely 255/255, load 1/255 Encapsulation ARPA, loopback not set, keepalive set (10 sec) ARP type: ARPA, ARP Timeout 04: 00 Last input 00: 07, output 00: 08, output hang never Last clearing of "show interface" counters never Queueing strategy: fifo Output queue 0/40, 0 drops; input queue 0/75, 0 drops 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 81833 packets input, 27556491 bytes, 0 no buffer Received 42308 broadcasts, 0 runts, 0 giants, 0 throttles 1 input errors, 0 CRC, 0 frame, 0 overrun, 1 ignored, 0 abort 0 input packets with dribble condition detected 55794 packets output, 3929696 bytes, 0 underruns 0 output errors, 0 collisions, 1 interface resets 0 babbles, 0 late collision, 4 deferred 0 lost carrier, 0 no carrier 0 output buffer failures, 0 output buffers swapped out 27

Команда show controllers на маршрутизаторе Router. X#show controllers serial 0 HD unit 0, idb = 0 x. CF 958, driver structure at 0 x. D 4 DC 8 buffer size 1524 HD unit 0, V. 35 DCE cable cpb = 0 x 21, eda = 0 x 4940, cda = 0 x 4800 RX ring with 16 entries at 0 x 214800 00 bd_ptr=0 x 4800 pak=0 x 0 D 7 E 04 ds=0 x 21 ECC 8 status=00 pak_size=0 01 bd_ptr=0 x 4814 pak=0 x 0 D 7 C 04 ds=0 x 21 E 60 C status=00 pak_size=0 02 bd_ptr=0 x 4828 pak=0 x 0 D 7 A 04 ds=0 x 21 DF 50 status=00 pak_size=0 03 bd_ptr=0 x 483 C pak=0 x 0 D 7804 ds=0 x 21 D 894 status=00 pak_size=0 04 bd_ptr=0 x 4850 pak=0 x 0 D 7604 ds=0 x 21 D 1 D 8 status=00 pak_size=0 05 bd_ptr=0 x 4864 pak=0 x 0 D 7404 ds=0 x 21 CB 1 C status=00 pak_size=0 06 bd_ptr=0 x 4878 pak=0 x 0 D 7204 ds=0 x 21 C 460 status=00 pak_size=0 07 bd_ptr=0 x 488 C pak=0 x 0 D 7004 ds=0 x 21 BDA 4 status=00 pak_size=0 08 bd_ptr=0 x 48 A 0 pak=0 x 0 D 6 E 04 ds=0 x 21 B 6 E 8 status=00 pak_size=0 09 bd_ptr=0 x 48 B 4 pak=0 x 0 D 6 C 04 ds=0 x 21 B 02 C status=00 pak_size=0 10 bd_ptr=0 x 48 C 8 pak=0 x 0 D 6 A 04 ds=0 x 21 A 970 status=00 pak_size=0 28

Команда show cdp neighbors на сетевых устройствах Switch. X#show cdp neighbors Switch>sh cdp nei Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP, r - Repeater, P - Phone Device ID Router Local Intrfce Fas 0/5 Fas 0/3 Fas 0/2 Fas 0/1 Holdtme 163 156 160 153 Capability R R Platform 2500 2511 2500 Port ID Eth 1 Eth 0 29

Вопросы? 30