CISCO SWITCH BASIC CONFIGURATION GUIDE

ALL AUTHENTICATION CONFIGURATION

1. Set hostname
#hostname NAME-IP

2. Set domain name
#ip domain-name drbdtest.com

3. Set username and password
#username admin privilege 15 password 123456

4. Set enable password
#enable password 123456

5. Encrypt all existing and future passwords
#service password-encryption

6. Generate crypto key to enable ssh login
#crypto key generate rsa

7. Enable ssh version
#ip ssh version 2

8. Configure console login
#line console 0
#password 123456
#login local

9. Configure line vty login
#line vty 0 5
#password 123456
#transport input ssh
#login local

#line vty 6 15
#password 123456
#transport input ssh
#login local

10. Configure authentication
#aaa new-model
#aaa authentication login default local
#aaa authentication enable default enable


INTERFACE, IP & VLAN CONFIGURATION

11. IP & Gateway configuration
#interface vlan1
#no shutdown
#ip address 192.168.0.100 255.255.255.0
#no ip route-cache

#ip default-gateway 192.168.0.1
#no ip http server
#no cdp run

#ip name-server 8.8.8.8
#ip name-server 9.9.9.9


12. VLAN configuration

#vlan 10
#vlan 20
#vlan 30

*** If any VLAN is assigned into any switch port then make the switch port access for that vlan

13. UPLINK port configuration
#interface GigabitEthernet0/1
#switchport trunk encapsulation dot1q
#switchport mode trunk
#description Uplink-From-Agg-SW
# switchport trunk allowed vlan 1,10,20,30

#interface GigabitEthernet0/1
#switchport trunk encapsulation dot1q
#switchport mode trunk
#description Backup Uplink-From-Agg-SW
#switchport trunk allowed vlan 1,10,20,30



OTHER CONFIGURATION

14. SNMP configuration
#snmp-server community b0lc0rp RO
#snmp-server location TEST PoP
#snmp-server contact support@drbdtest.com

15. Clock setup
#clock timezone BDT 6
#no ip domain-lookup
#no ip http server

16. Spanning tree configuration
#spanning-tree mode pvst
#spanning-tree portfast default
# spanning-tree portfast bpdufilter default

17. ERR disable recovery configuration
#no errdisable detect cause gbic-invalid
#errdisable recovery cause link-flap
#errdisable recovery cause gbic-invalid
#errdisable recovery interval 30
#service unsupported-transceiver

18. Configure MTU
#system mtu jumbo 9000
#system mtu routing 1500

19. VTP configuration
#vtp mode transparent
#vtp domain <hostname>



Save all configuration 

#write

#relaod


check the switch configuration again after the reload.