Cisco Switch Grundkonfiguration: Unterschied zwischen den Versionen

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Zeile 5: Zeile 5:
 
*c3750(config)#
 
*c3750(config)#
 
=Enable Secret setzen=
 
=Enable Secret setzen=
−
*c3750(config)#enable secret suxer
+
*c3750(config)#enable secret sysadm
 +
==Localer Admin einrichten==
 
*c3750(config)#username admin privilege 15 secret sysadm
 
*c3750(config)#username admin privilege 15 secret sysadm
−
*c750(config)#username xinux privilege 1 secret oimel
+
*c3750(config)#username xinux privilege 1 secret oimel
 +
 
 
=Passwort verschlüsselung unnötig wenn Funktion secret verfügbar ist=
 
=Passwort verschlüsselung unnötig wenn Funktion secret verfügbar ist=
 
*c3750(config)#service password-encryption
 
*c3750(config)#service password-encryption
Zeile 64: Zeile 66:
 
  12:38:52.137 UTC Thu Jan 28 2016
 
  12:38:52.137 UTC Thu Jan 28 2016
  
−
=Localer Admin einrichten=
 
  
−
=Passwort verschlüsselung=
+
 
 
=Line con 0 konfigurieren=
 
=Line con 0 konfigurieren=
 +
*c3750(config)#line console 0
 +
*c3750(config-line)#password suxer
 +
*c3750(config-line)#login
 +
==Synchrones Logging aktivieren==
 +
*c3750(config-line)#logging synchronous
 +
*c3750(config-line)#end
 
==Passwort oder Username/Passwort-Abfrage==
 
==Passwort oder Username/Passwort-Abfrage==
−
==Synchrones Logging aktivieren==
+
 
 +
=Lines VTY 0 15=
 +
*c3750(config)#line vty 0 15
 +
*c3750(config-line)#login local
 +
*c3750(config-line)#logging synchronous
 
==Timeout-Werte anpassen==
 
==Timeout-Werte anpassen==
−
=Lines VTY 0 15=
+
*c3750(config-line)#exec-timeout 30
 +
*c3750(config-line)#end
 +
=Konfiguration sichern=
 +
==Neu==
 +
*c3750#copy running-config startup-config
 +
Destination filename [startup-config]?
 +
Building configuration...
 +
[OK]
 +
==Alt==
 +
*c3750#write memory
 +
Building configuration...
 +
[OK]
 +
 
 +
=Telnet Tests=
 +
*thomas.will@cardassia ~ $ telnet 192.168.240.154
 +
Trying 192.168.240.154...
 +
Connected to 192.168.240.154.
 +
Escape character is '^]'.
 +
 +
User Access Verification
 +
 +
Username: admin
 +
Password:
 +
c3750#
 +
c3750#exit
 +
 +
*thomas.will@cardassia ~ $ telnet 192.168.240.154
 +
Trying 192.168.240.154...
 +
Connected to 192.168.240.154.
 +
Escape character is '^]'.
 +
 +
User Access Verification
 +
 +
Username: xinux
 +
Password:
 +
c3750>
 +
c3750>exit

Aktuelle Version vom 28. Januar 2016, 13:01 Uhr

Gerätenamen festlegen

  • Switch#configure terminal
Enter configuration commands, one per line.  End with CNTL/Z.
  • Switch(config)#hostname c3750
  • c3750(config)#

Enable Secret setzen

  • c3750(config)#enable secret sysadm

Localer Admin einrichten

  • c3750(config)#username admin privilege 15 secret sysadm
  • c3750(config)#username xinux privilege 1 secret oimel

Passwort verschlüsselung unnötig wenn Funktion secret verfügbar ist

  • c3750(config)#service password-encryption

Interface VLAN1 konfigurieren

  • c3750(config)#interface vlan 1
  • c3750(config-if)#ip address 192.168.240.154 255.255.248.0
  • c3750(config-if)#no shutdown
  • c3750(config-if)#do show ip int vlan1
Vlan1 is up, line protocol is up
  Internet address is 192.168.240.154/21
  Broadcast address is 255.255.255.255
  Address determined by setup command from host 192.168.240.200
  MTU is 1500 bytes

Default Gateway einstellen

  • c3750(config)#ip default-gateway 192.168.240.100

Konnectivitäts Test

  • c3750#ping 8.8.8.8
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 8.8.8.8, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 17/20/25 ms

DNS-Lookup festlegen

  • c3750#configure terminal
  • c3750(config)#ip name-server 192.168.240.200
  • c3750(config)#end
  • c3750#ping www.heise.de
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 193.99.144.85, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 25/28/33 ms

oder DNS-Lookup abschalten

  • c3750#configure terminal
  • c3750(config)#no ip domain-lookup

Domainname festlegen

  • c3750(config)#ip domain name xinux.org
  • c3750(config)#do ping cardassia
Translating "cardassia"...domain server (192.168.240.200) [OK]

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.244.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/203/1007 ms

NTP-Server festlegen

  • c3750#show clock
*00:22:38.744 UTC Mon Mar 1 199
  • c3750(config)#ntp server pool.ntp.org
Translating "pool.ntp.org"...domain server (192.168.240.200) [OK]
  • c3750#show clock
12:38:52.137 UTC Thu Jan 28 2016


Line con 0 konfigurieren

  • c3750(config)#line console 0
  • c3750(config-line)#password suxer
  • c3750(config-line)#login

Synchrones Logging aktivieren

  • c3750(config-line)#logging synchronous
  • c3750(config-line)#end

Passwort oder Username/Passwort-Abfrage

Lines VTY 0 15

  • c3750(config)#line vty 0 15
  • c3750(config-line)#login local
  • c3750(config-line)#logging synchronous

Timeout-Werte anpassen

  • c3750(config-line)#exec-timeout 30
  • c3750(config-line)#end

Konfiguration sichern

Neu

  • c3750#copy running-config startup-config
Destination filename [startup-config]? 
Building configuration...
[OK]

Alt

  • c3750#write memory
Building configuration...
[OK]

Telnet Tests

  • thomas.will@cardassia ~ $ telnet 192.168.240.154
Trying 192.168.240.154...
Connected to 192.168.240.154.
Escape character is '^]'.

User Access Verification 

Username: admin
Password: 
c3750#
c3750#exit
  • thomas.will@cardassia ~ $ telnet 192.168.240.154
Trying 192.168.240.154...
Connected to 192.168.240.154.
Escape character is '^]'.

User Access Verification 

Username: xinux
Password: 
c3750>
c3750>exit
Abgerufen von „http://wiki.ixheim.de/index.php?title=Cisco_Switch_Grundkonfiguration&oldid=7958“