Cisco Switch Grundkonfiguration: Unterschied zwischen den Versionen

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Zeile 6: Zeile 6:
 
=Enable Secret setzen=
 
=Enable Secret setzen=
 
*c3750(config)#enable secret suxer
 
*c3750(config)#enable secret suxer
 +
==Localer Admin einrichten==
 
*c3750(config)#username admin privilege 15 secret sysadm
 
*c3750(config)#username admin privilege 15 secret sysadm
 
*c3750(config)#username xinux privilege 1 secret oimel
 
*c3750(config)#username xinux privilege 1 secret oimel
Zeile 65: 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=
 
=Passwort verschlüsselung=
Zeile 72: Zeile 73:
 
*c3750(config-line)#password suxer
 
*c3750(config-line)#password suxer
 
*c3750(config-line)#login
 
*c3750(config-line)#login
 +
==Synchrones Logging aktivieren==
 
*c3750(config-line)#logging synchronous
 
*c3750(config-line)#logging synchronous
 
*c3750(config-line)#end
 
*c3750(config-line)#end
 
==Passwort oder Username/Passwort-Abfrage==
 
==Passwort oder Username/Passwort-Abfrage==
==Synchrones Logging aktivieren==
 
==Timeout-Werte anpassen==
 
  
 
=Lines VTY 0 15=
 
=Lines VTY 0 15=
Zeile 82: Zeile 82:
 
*c3750(config-line)#login local  
 
*c3750(config-line)#login local  
 
*c3750(config-line)#logging synchronous  
 
*c3750(config-line)#logging synchronous  
 +
==Timeout-Werte anpassen==
 
*c3750(config-line)#exec-timeout 30
 
*c3750(config-line)#exec-timeout 30
 
*c3750(config-line)#end
 
*c3750(config-line)#end

Version vom 28. Januar 2016, 12:52 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 suxer

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


Passwort verschlüsselung

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