hostname
Switch#conf Switch(config)#hostname SW1 SW1(config)#
logs
SW1(config)#service sequence-numbers SW1(config)#end 000068: %SYS-5-CONFIG_I: Configured from console by console SW1(config)#service timestamps log SW1(config)#end 000069: 02:20:27: %SYS-5-CONFIG_I: Configured from console by console SW1(config)#service timestamps log datetime msec localtime SW1(config)#end 000073: *Mar 1 02:25:49.851 UTC: %SYS-5-CONFIG_I: Configured from console by console
Syslog
SW1(config)#logging 10.1.1.30 SW1(config)#logging facility local4
Clock
SW1#clock set 14:56:00 23 March 2012 SW1#show clock 14:56:12.011 UTC Fri Mar 23 2012
ntp
SW1(config)#ntp server 10.1.1.10
Dns
SW1(config)#ip domain-name test.local SW1(config)#ip name-server 10.1.1.10
Sans Dns
SW1(config)#no ip domain-lookup
Résolution local (/etc/host)
SW1(config)#ip host MY-SERVER 10.1.1.10
Banner
SW1(config)#banner motd X Enter TEXT message. End with the character 'X'. Voici mon message d'acceuil .... .... Welcome !!!! X
Snmp
SW1#conf t SW1(config)#snmp-server host 10.1.1.10 version 2c cisco SW1(config)#snmp-server community TEST-RO ro SW1(config)#snmp-server community TEST-RW rw SW1(config)#snmp-server location PARIS SW1(config)#snmp-server contact Fred J.
Snmp Traps
SW1(config)#snmp-server host 10.1.1.10 traps version 2c cisco SW1(config)#snmp-server enable traps ? bgp Enable BGP traps bridge Enable SNMP STP Bridge MIB traps bulkstat Enable Data-Collection-MIB Collection notifications cef Enable SNMP CEF traps cluster Enable Cluster traps config Enable SNMP config traps config-copy Enable SNMP config-copy traps config-ctid Enable SNMP config-ctid traps copy-config Enable SNMP config-copy traps cpu Allow cpu related traps eigrp Enable SNMP EIGRP traps entity Enable SNMP entity traps envmon Enable SNMP environmental monitor traps errdisable Enable SNMP errdisable notifications flash Enable SNMP FLASH notifications hsrp Enable SNMP HSRP traps ipmulticast Enable SNMP ipmulticast traps ipsec Enable IPsec traps isakmp Enable ISAKMP traps traps mac-notification Enable SNMP MAC Notification traps msdp Enable SNMP MSDP traps ospf Enable OSPF traps pim Enable SNMP PIM traps port-security Enable SNMP port security traps power-ethernet Enable SNMP power ethernet traps rtr Enable SNMP Response Time Reporter traps snmp Enable SNMP traps storm-control Enable SNMP storm-control trap parameters stpx Enable SNMP STPX MIB traps syslog Enable SNMP syslog traps transceiver Enable SNMP transceiver traps tty Enable TCP connection traps vlan-membership Enable SNMP VLAN membership traps vlancreate Enable SNMP VLAN created traps vlandelete Enable SNMP VLAN deleted traps vtp Enable SNMP VTP traps
Snmp Traps – Exemple d’envoi de traps toute les 30 second lors de l’apprentissage des MAC adresses sur l’interface fa0/10
SW1#conf t SW1(config)#snmp-server host 192.168.1.1 traps private SW1(config)#snmp-server enable traps mac-notification SW1(config)# SW1(config)#mac address-table notification change interval 30 SW1(config)#mac address-table notification change history-size 200 SW1(config)#int fa0/10 SW1(config-if)#snmp trap mac-notification added SW1(config-if)#snmp trap mac-notification removed
SW1#show mac address-table notification change interface fa0/10 MAC Notification Feature is Enabled on the switch Interface MAC Added Trap MAC Removed Trap --------- -------------- ---------------- FastEthernet0/10 Enabled Enabled
Storm-control – limitation du trafic broadcast, multicast ou unicast
SW1#conf t SW1(config)#int fastEthernet 0/10 SW1(config-if)#storm-control broadcast level 10 SW1(config-if)#storm-control multicast level 10 SW1(config-if)#storm-control unicast level 50 SW1(config-if)#storm-control action ? shutdown Shutdown this interface if a storm occurs trap Send SNMP trap if a storm occurs SW1#show storm-control Interface Filter State Upper Lower Current --------- ------------- ----------- ----------- ---------- Fa0/10 Link Down 10.00% 10.00% 0.00% Fa0/18 Forwarding 50.00% 50.00% 0.00% mac address-table aging-time SW1(config)#mac address-table aging-time 180 SW1(config)#mac address-table aging-time 60 vlan 100 SW1(config)#mac address-table aging-time 300 vlan 200 SW1#show mac address-table aging-time Global Aging Time: 180 Vlan Aging Time ---- ---------- 200 300 100 60
Erase configuration
Par défaut, le répertoire de travail est le système de fichier flash:
SW1#pwd flash:/ SW1#dir Directory of flash:/ 2 -rwx 9707290 Mar 1 1993 20:53:40 +00:00 c3550-ipservicesk9-mz.122-44.SE6.bin 3 -rwx 1932 Mar 1 1993 00:01:00 +00:00 private-config.text 4 -rwx 4120 Mar 1 1993 00:01:00 +00:00 multiple-fs 6 -rwx 4844 Mar 1 1993 00:01:00 +00:00 config.text 7 -rwx 18 Mar 1 1993 00:01:49 +00:00 env_vars 8 -rwx 0 Mar 1 1993 00:01:49 +00:00 system_env_vars 9 -rwx 804 Mar 24 2012 03:46:30 +00:00 vlan.dat 15998976 bytes total (6277120 bytes free)
Suppression de la configuration et de la base des VLANs
SW1#delete config.text Delete filename [config.text]? Delete flash:/config.text? [confirm] SW1#delete vlan.dat Delete filename [vlan.dat]? Delete flash:/vlan.dat? [confirm] SW1#reload Proceed with reload? [confirm]