• Select interface range

(config)#interface range FastEthernet 0/1 - 23

• Cari biang flooding

Cari alamat ip tersangka mac nya berapa

sh ip arp

kalau sudah ketahuan, tinggal cari itu alamat mac nya lewat dr interface brp

sh mac address-table address 001c.c4e1.a8bb

• RSPAN over VLAN

- Sisi switdh yang port nya mau di monitor

monitor session 1 source interface GiX/X/XX
monitor session 1 destination remote vlan XYZ

- dest switch

interface GigabitEthernet0/21
switchport access vlan XYZ

monitor session 1 destination interface Gi0/XX
monitor session 1 source remote vlan XYZ

Tampilkan device lain dalam jaringan

sh cdp neighbors

• Span config

monitor session 1 source vlan 300
monitor session 1 destination interface Gi1/0/13
monitor session 2 source vlan 1000
monitor session 2 destination interface Gi1/0/14

• remote syslog

logging trap debugging
logging 10.xx.xx.xx

atau

logging host x.x.x.x transport tcp port 5544

Set cisco password

username admin privilege 15 secret password_cisco_saya