■設定を初期化
事前条件として、パスワードが分かっていること。
以下を参考に初期化を行う。
Cisco IOS - How to CLI 3
http://www.infraexpert.com/study/ciscoios3.5.html
Catalyst 2970 スイッチ ソフトウェア コンフィギュレーション ガイド Cisco IOS Release 12.2(25)SEC
http://www.cisco.com/cisco/web/support/JP/docs/SW/LANSWT-Access/CAT2970SWT/CG/001/16182_05.html
[ 0.000000] console [tty0] enabled
[ 0.688803] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
[ 0.709469] 00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
■minicomが使えない時はtelnet接続、「reload」して「screen」を使う。
なので、telnetは用意しておいた方が良い。
minicom: /dev/modem をオープンできません : そのようなファイルやディレクトリはありません
> enable
Password:
Directory of flash:/
2 drwx 192 Mar 1 1993 00:04:49 +00:00 c2970-lanbase-mz.122-25.SEC2
349 -rwx 106 Mar 1 1993 00:04:49 +00:00 info
350 -rwx 1391 Mar 1 1993 00:08:27 +00:00 config.text.old
351 -rwx 736 Mar 1 1993 00:01:13 +00:00 vlan.dat
352 -rwx 1462 Mar 1 1993 00:34:01 +00:00 config.text
353 -rwx 5 Mar 1 1993 00:34:01 +00:00 private-config.text
15998976 bytes total (9898496 bytes free)
Destination filename [config.text.2]?
350 -rwx 1391 Mar 1 1993 00:08:27 +00:00 config.text.old
351 -rwx 3050 Mar 1 1993 00:40:54 +00:00 config.text.2
352 -rwx 5 Mar 1 1993 00:40:54 +00:00 private-config.text
Erasing the nvram filesystem will remove all configuration files! Continue? [confirm]
[OK]
Erase of nvram: complete
Delete filename [vlan.dat]?
Delete flash:vlan.dat? [confirm]
Proceed with reload? [confirm]
■起動したら初期設定は「no」とする。
Would you like to enter the initial configuration dialog? [yes/no]:no
■確認
Switch> enable
Switch# ! no more command
Switch# terminal length 0
Switch# show flash: | include config
350 -rwx 1391 Mar 1 1993 00:08:27 +00:00 config.text.old
351 -rwx 3050 Mar 1 1993 00:40:54 +00:00 config.text.2
Switch# write memory
Building configuration...
[OK]
Switch# show flash: | include config
350 -rwx 1391 Mar 1 1993 00:08:27 +00:00 config.text.old
351 -rwx 3050 Mar 1 1993 00:40:54 +00:00 config.text.2
352 -rwx 1186 Mar 1 1993 00:05:53 +00:00 config.text
353 -rwx 5 Mar 1 1993 00:05:53 +00:00 private-config.text
Switch# show vlan brief
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/1, Gi0/2, Gi0/3, Gi0/4
Gi0/5, Gi0/6, Gi0/7, Gi0/8
Gi0/9, Gi0/10, Gi0/11, Gi0/12
Gi0/13, Gi0/14, Gi0/15, Gi0/16
Gi0/17, Gi0/18, Gi0/19, Gi0/20
Gi0/21, Gi0/22, Gi0/23, Gi0/24
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup
■初期設定
Switch# configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Switch(config)# hostname S1
S1(config)# interface GigabitEthernet 0/1
S1(config-if)# no shutdown
S1(config-if)# description Manage-Port
S1(config-if)# exit
S1(config)# exit
S1# show interface GigabitEthernet 0/1 description
Interface Status Protocol Description
Gi0/1 down down Manage-Port
S1# configure terminal
S1(config)# line ?
<0-16> First Line number
console Primary terminal line
vty Virtual terminal
S1(config)# line console 0
S1(config)# logging ?
synchronous Synchronized message output
S1(config-line)# logging synchronous
■パスワード「XXXXX」を設定、暗号化
S1(config)# enable password XXXXX
S1(config)# service password-encryption
■Telnetのログイン名を「labunix」、パスワードを「XXXXX」に設定
S1(config)# username labunix password XXXXX
S1(config)# line vty 0 15
S1(config-line)# transport input telnet
S1(config-line)# login local
S1(config-line)# exit
■Telnetの待ち受けIP設定、GW設定は無しとする
S1(config)# ip telnet source-interface gigabitEthernet 0/1
S1(config-if)# interface vlan 1
S1(config-if)# ip address 172.16.16.201 255.255.255.0
S1(config-if)# no shutdown
S1(config-if)# exit
S1(config)# exit
S1#write memory
Building configuration...
[OK]
■Linux側でeth2に、c7980のGi0/1にLANケーブルを接続
S1#show version | include ^[Cc]isco
Cisco IOS Software, C2970 Software (C2970-LANBASE-M), Version 12.2(25)SEC2, RELEASE SOFTWARE (fc1)
cisco WS-C2970G-24T-E (PowerPC405) processor (revision L0) with 118784K/12280K bytes of memory.
S1# show interfaces GigabitEthernet 0/1 status
Port Name Status Vlan Duplex Speed Type
Gi0/1 Manage-Port connected 1 a-full a-1000 10/100/1000BaseTX
■同一セグメントの移行用の仮IP/GW設定
$ cat /etc/debian_version
7.4
$ sudo route add -host 172.16.16.201/32 eth2
■Telnetログイン時刻設定
$ env LANG=C date --date "+10 sec" '+%H:%M:%S %d %b %Y'
22:17:54 26 Mar 2014
$ telnet 172.16.16.201
Trying 172.16.16.201...
Connected to 172.16.16.201.
Escape character is '^]'.
User Access Verification
Username: labunix
Password:
S1>enable
Password:
S1# write memory
Building configuration...
[OK]
S1#clock set 22:17:54 26 Mar 2014
■Telnet軽油でNTP設定、コンフィグ確認
S1#configure terminal
S1(config)#ntp peer 192.168.1.1
S1(config)#exit
S1#show ntp status
Clock is synchronized, stratum 3, reference is 192.168.1.1
nominal freq is 119.2092 Hz, actual freq is 119.2092 Hz, precision is 2**18
reference time is D6DD5270.4505CFD0 (13:19:44.269 UTC Wed Mar 26 2014)
clock offset is 0.2459 msec, root delay is 11.57 msec
root dispersion is 46.16 msec, peer dispersion is 0.66 msec
S1#write memory
Building configuration...
[OK]
S1# verify flash:/config.text
Verified flash:/config.text
S1# terminal length 0
S1# show running-config
Building configuration...
Current configuration : 1463 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname S1
!
enable password 7 XXXXXXXXXXXXXXX
!
username labunix password 7 XXXXXXXXXXXXXXX
no aaa new-model
ip subnet-zero
!
ip telnet source-interface GigabitEthernet0/1
!
!
!
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
interface GigabitEthernet0/1
description Manage-Port
!
interface GigabitEthernet0/2
!
interface GigabitEthernet0/3
!
interface GigabitEthernet0/4
!
interface GigabitEthernet0/5
!
interface GigabitEthernet0/6
!
interface GigabitEthernet0/7
!
interface GigabitEthernet0/8
!
interface GigabitEthernet0/9
!
interface GigabitEthernet0/10
!
interface GigabitEthernet0/11
!
interface GigabitEthernet0/12
!
interface GigabitEthernet0/13
!
interface GigabitEthernet0/14
!
interface GigabitEthernet0/15
!
interface GigabitEthernet0/16
!
interface GigabitEthernet0/17
!
interface GigabitEthernet0/18
!
interface GigabitEthernet0/19
!
interface GigabitEthernet0/20
!
interface GigabitEthernet0/21
!
interface GigabitEthernet0/22
!
interface GigabitEthernet0/23
!
interface GigabitEthernet0/24
!
interface Vlan1
ip address 172.16.16.201 255.255.255.0
no ip route-cache
!
ip http server
!
control-plane
!
!
line con 0
logging synchronous
line vty 0 4
login local
transport input telnet
line vty 5 15
login local
transport input telnet
!
!
end
S1#
■ネットワーク情報確認
S1#show vlan id 1
VLAN Name Status Ports
---- -------------------------------- --------- -------------------------------
1 default active Gi0/1, Gi0/2, Gi0/3, Gi0/4
Gi0/5, Gi0/6, Gi0/7, Gi0/8
Gi0/9, Gi0/10, Gi0/11, Gi0/12
Gi0/13, Gi0/14, Gi0/15, Gi0/16
Gi0/17, Gi0/18, Gi0/19, Gi0/20
Gi0/21, Gi0/22, Gi0/23, Gi0/24
VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2
---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------
1 enet 100001 1500 - - - - - 0 0
Remote SPAN VLAN
----------------
Disabled
Primary Secondary Type Ports
------- --------- ----------------- ------------------------------------------
S1# show vlan summary
Number of existing VLANs : 5
Number of existing VTP VLANs : 5
Number of existing extended VLANs : 0
S1# show interfaces Gi0/1 stats
GigabitEthernet0/1
Switch path Pkts In Chars In Pkts Out Chars Out
Processor 0 0 1505 111470
Route cache 0 0 0 0
Total 0 0 1505 111470
S1# show ip interface Gi0/1
GigabitEthernet0/1 is up, line protocol is up
Inbound access list is not set
■起動情報確認
S1#show boot
BOOT path-list :
Config file : flash:/config.text
Private Config file : flash:/private-config.text
Enable Break : no
Manual Boot : no
HELPER path-list :
Auto upgrade : yes
■自分の操作以外に再起動していないか
S1#show version | include uptime
S1 uptime is 1 hour, 28 minutes
S1#show logging | include RESTART
00:01:32: %SYS-5-RESTART: System restarted --
今日はここまで。
