11.6.2 Switch security configuration
11.6.2 Switch security configuration
Latar Belakang / Skenario
Ini adalah lab komprehensif untuk meninjau fitur keamanan Lapisan 2 yang telah dibahas sebelumnya.
Catatan: Router yang digunakan dengan lab praktik CCNA adalah Cisco 4221 dengan Cisco IOS XE Rilis 16.9.3
(gambar universalk9). Switch yang digunakan di laboratorium adalah Cisco Catalyst 2960s dengan Cisco IOS Release 15.0(2)
(gambar lanbasek9). Router, switch, dan versi Cisco IOS lainnya dapat digunakan. Tergantung pada modelnya
dan versi Cisco IOS, perintah yang tersedia dan output yang dihasilkan mungkin berbeda dari yang ditampilkan laboratorium.
Langkah-Langkah
Bagian 1: Konfigurasikan Perangkat Jaringan.
Langkah 1: Hubungkan jaringan.
- Kabel jaringan seperti yang ditunjukkan pada topologi.
- Inisialisasi perangkat.
Langkah 2 : Konfigurasi router
Router>enable
Router#configure terminal
Router#hostname R1
R1#(config)no ip domain lookup
R1#(config)ip dhcp excluded-address 192.168.10.1 192.168.10.9
R1#(config)ip dhcp excluded-address 192.168.10.201 192.168.10.202
R1#(config)ip dhcp pool Students
R1#(config)network 192.168.10.0 255.255.255.0
R1#(config)default-router 192.168.10.1
R1#(config)domain-name CCNA2.Lab-11.6.1
R1#(config)interface Loopback0
R1#(config)ip address 10.10.1.1 255.255.255.0
R1#(config-if)interface GigabitEthernet0/0/1
R1#(config-if)description Link to S1 Port 5
R1#(config-if)ip dhcp relay information trusted
R1#(config-if)ip address 192.168.10.1 255.255.255.0
R1#(config-if) no shutdown
R1#(config)line con 0
R1#(config) logging synchronous
R1#(config)exec-timeout 0 0
Langkah 3 : Konfigurasi semua switch
Switch# config t
Switch(config)# hostname S1
Switch# config t
Switch(config)# hostname S2
S1(config)# no ip domain-lookup
S2(config)# no ip domain-lookup
S1(config)# interface f0/1
S1(config-if)# description Link to S2
S1(config-if)# interface f0/5
S1(config-if)# description Link to R1
S1(config-if)# interface f0/6
S1(config-if)# description Link to PC-A
S2(config)# interface f0/1
S2(config-if)# description Link to S1
S2(config-if)# interface f0/18
S2(config-if)# description Link to PC-B
S1(config)# ip default-gateway 192.168.10.1
S2(config)# ip default-gateway 192.168.10.1
Langkah 4: Konfigurasikan SVI untuk VLAN 10.
S1(config)# interface vlan 10
S1(config-if)# ip address 192.168.10.201 255.255.255.0
S1(config-if)# description Management SVI
S1(config-if)# no shutdown
S2(config)# interface vlan 10
S2(config-if)# ip address 192.168.10.202 255.255.255.0
S2(config-if)# description Management SVI
S2(config-if)# no shutdown
S1(config)# vlan 333
S1(config-vlan)# name Native
S2(config)# vlan 333
S2(config-vlan)# name Native
S1(config-vlan)# vlan 999
S1(config-vlan)# name ParkingLot
S2(config-vlan)# vlan 999
S2(config-vlan)# name ParkingLot
Bagian 3: Konfigurasikan Keamanan Switch.
S1(config)# interface f0/1
S1(config-if)# switchport mode trunk
S1(config-if)# switchport trunk native vlan 333
S2(config)# interface f0/1
S2(config-if)# switchport mode trunk
S2(config-if)# switchport trunk native vlan 333
S1(config)# interface f0/1
S1(config-if)# switchport nonegotiate
S2(config)# interface f0/1
S2(config-if)# switchport nonegotiate
Langkah 2: Konfigurasikan port akses.
S1(config)# interface range f0/5-6
S1(config-if)# switchport mode access
S1(config-if)# switchport access vlan 10
S2(config)# interface f0/18
S2(config-if)# switchport mode access
S2(config-if)# switchport access vlan 10
S1(config)# interface f0/6
S1(config-if)# switchport port-security
S1(config-if)# switchport port-security maximum 3
S1(config-if)# switchport port-security violation restrict
S1(config-if)# switchport port-security aging time 60
S1(config-if)# switchport port-security aging type inactivity
S2(config)# interface f0/18
S2(config-if)# switchport port-security
S2(config-if)# switchport port-security mac-address sticky
S2(config)# interface f0/18
S2(config-if)# switchport port-security aging time 60
S2(config-if)# switchport port-security maximum 2
S2(config-if)# switchport port-security violation protect
Langkah 3 : Terapkan keamanan pengintaian DHCP.
S2(config)# ip dhcp snooping
S2(config)# ip dhcp snooping vlan 10
S2(config)# interface f0/1
S2(config-if)# ip dhcp snooping trust
S2(config)# interface f0/18
S2(config-if)# ip dhcp snooping limit rate 5
Langkah 4: Terapkan penjaga PortFast dan BPDU.
S1(config)# interface range f0/5-6
S1(config-if)# spanning-tree portfast
S2(config)# interface f0/18
S2(config-if)# spanning-tree portfast
S1(config)# interface f0/6
S1(config-if)# spanning-tree bpduguard enable
S2(config)# interface f0/18
S2(config-if)# spanning-tree bpduguard enable
Komentar
Posting Komentar