Noor Wajianto waji4ntoe@yahoo.co.id Konfigurasi InterVLAN Cisco Switch 2950 Pendahuluan. InterVLAN atau (Inter Virtual Local Area Network) dan merupakan suatu model jaringan yang tidak terbatas pada lokasi fisik, implementasi IVLAN biasanya di karenakan karena keterbatasan interface router yang sedikit biasanya hanya terdapat beberapa port Ethernet saja. Oleh sebab itu kita bisa menembahkan device yaitu switch seperti cisco switch 2950 yang akan kita konfigurasikan nanti. Sebuah switch biasanya mempunyai port antara 8 sampai 24 port. Dengan penggunaan VLAN maka pengaturan jaringan akan lebih fleksibel dan memiliki beberapa keuntungan dari segi security, mudah dalam pengaturan, dan trunk. Baik kita langsung saja to the point bagaimana mengkonfigurasi IVLAN switch cisco 2950 sebagai berikut : Gambar InterVLAN
KONFIGURASI DI ROUTER VLAN Router> Router>en Router#config t Router(config)#hostname RouterVLAN RouterVLAN(config)#int f0/0 RouterVLAN(config-if)#no sh RouterVLAN(config-if)#int f0/0.1------ Masuk ke subinterface mode RouterVLAN(config-subif)#encapsulation dot1q 1 RouterVLAN(config-subif)#ip add 192.168.1.1 255.255.255.0 RouterVLAN(config-subif)#int f0/0.2 RouterVLAN(config-subif)#encapsulation dot1q 2 RouterVLAN(config-subif)#ip add 192.168.2.1 255.255.255.0 RouterVLAN(config-subif)#int f0/0.3 RouterVLAN(config-subif)#encapsulation dot1q 3 RouterVLAN(config-subif)#ip add 192.168.3.1 255.255.255.0 RouterVLAN(config-subif)#int f0/0.4 RouterVLAN(config-subif)#encapsulation dot1q 4 RouterVLAN(config-subif)#ip add 192.168.4.1 255.255.255.0 RouterVLAN(config-subif)#end RouterVLAN#config t RouterVLAN(config)#int f0/0.5 RouterVLAN(config-subif)#encapsulation dot1q 5 RouterVLAN(config-subif)#ip add 192.168.5.1 255.255.255.0 RouterVLAN(config-subif)#int f0/0.6 RouterVLAN(config-subif)#encapsulation dot1q 6 RouterVLAN(config-subif)#ip add 192.168.6.1 255.255.255.0 RouterVLAN(config-subif)#int f0/0.7 RouterVLAN(config-subif)#encapsulation dot1q 7 RouterVLAN(config-subif)#ip add 192.168.7.1 255.255.255.0 RouterVLAN(config-subif)#end RouterVLAN#config t RouterVLAN(config)#enable password cantik------ password bebas RouterVLAN(config)#line vty 0 15
RouterVLAN(config-line)#password cantik RouterVLAN(config-line)#login RouterVLAN(config-line)#exit RouterVLAN(config-line)#^Z -------- Tekan Ctrl+Z Ketikan perintah RouterVLAN#sh ip route Dan hasilnya seperti berikut Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area * - candidate default, U - per-user static route, o - ODR P - periodic downloaded static route Gateway of last resort is not set C 192.168.1.0/24 is directly connected, FastEthernet0/0.1 C 192.168.2.0/24 is directly connected, FastEthernet0/0.2 C 192.168.3.0/24 is directly connected, FastEthernet0/0.3 C 192.168.4.0/24 is directly connected, FastEthernet0/0.4 C 192.168.5.0/24 is directly connected, FastEthernet0/0.5 C 192.168.6.0/24 is directly connected, FastEthernet0/0.6 C 192.168.7.0/24 is directly connected, FastEthernet0/0.7 RouterVLAN# KONFIGURASI SWITCH 1 /VLAN Switch>en Switch#config t Switch(config)#hostname VLAN VLAN(config)#^Z VLAN#vlan database VLAN(vlan)#vlan 2 name Server VLAN(vlan)#vlan 3 name Fakultas-Ekonomi VLAN(vlan)#vlan 4 name Fakultas-Kedokteran VLAN(vlan)#vlan 5 name Fakultas-farmasi VLAN(vlan)#vlan 6 name Fakultas-pertanian VLAN(vlan)#vlan 7 name Fakultas-teknik VLAN(vlan)#exit
VLAN#config t VLAN(config)#int f0/1 VLAN(config-if)#switchport mode trunk VLAN(config-if)#end VLAN#config t VLAN(config)#int f0/3 VLAN(config-if)#switchport access vlan 2 VLAN(config-if)#int f0/5 VLAN(config-if)#switchport access vlan 3 VLAN(config-if)#int f0/7 VLAN(config-if)#switchport access vlan 3 VLAN(config-if)#int f0/9 VLAN(config-if)#switchport access vlan 4 VLAN(config-if)#int f0/11 VLAN(config-if)#switchport access vlan 4 VLAN(config)#int f0/4 VLAN(config-if)#switchport access vlan 6 VLAN(config-if)#int f0/8 VLAN(config-if)#switchport access vlan 6 VLAN(config-if)#int f0/5 VLAN(config-if)#switchport access vlan 5 VLAN(config-if)#int f0/10 VLAN(config-if)#switchport access vlan 7 VLAN(config-if)#end VLAN#config t VLAN(config)#int vlan 1
VLAN(config-if)#ip add 192.168.1.2 255.255.255.0 VLAN(config-if)#no sh VLAN(config-if)#exit VLAN(config)#ip default-gateway 192.168.1.1 VLAN(config)#end VLAN#config t VLAN(config)#enable password cantik VLAN(config)#line vty 0 15 VLAN(config-line)#password cantik VLAN(config-line)#login VLAN(config-line)#exit VLAN(config-line)#^Z Ketikan perintah VLAN#sh vlan VLAN#sh vlan. Jika berhasil hasilnya seperti di bawah ini VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa0/6, Fa0/12, Fa0/13, Fa0/14 Fa0/15, Fa0/16, Fa0/17, Fa0/18 Fa0/19, Fa0/20, Fa0/21, Fa0/22 Fa0/23, Fa0/24 2 Server active Fa0/3 3 Fakultas-Ekonomi active Fa0/7 4 Fakultas-Kedokteran active Fa0/9, Fa0/11 5 Fakultas-farmasi active Fa0/5 6 Fakultas-pertanian active Fa0/4, Fa0/8 7 Fakultas-teknik active Fa0/10 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2 ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------ 1 enet 100001 1500 - - - - - 0 0 2 enet 100002 1500 - - - - - 0 0 3 enet 100003 1500 - - - - - 0 0
4 enet 100004 1500 - - - - - 0 0 5 enet 100005 1500 - - - - - 0 0 6 enet 100006 1500 - - - - - 0 0 7 enet 100007 1500 - - - - - 0 0 1002 enet 101002 1500 - - - - - 0 0 1003 enet 101003 1500 - - - - - 0 0 1004 enet 101004 1500 - - - - - 0 0 1005 enet 101005 1500 - - - - - 0 0 VLAN# KONFIGURASI SWITCH 2/SWITCH-VLAN2 Switch>en Switch#config t Switch(config)#hostname SWITCH-VLAN2 SWITCH-VLAN2(config)#^Z SWITCH-VLAN2#vlan database SWITCH-VLAN2(vlan)#vlan 5 name Fakultas-farmasi SWITCH-VLAN2(vlan)#vlan 6 name Fakultas-pertanian SWITCH-VLAN2(vlan)#vlan 7 name Fakultas-teknik SWITCH-VLAN2#config t SWITCH-VLAN2(config)#int f0/2 SWITCH-VLAN2(config-if)#switchport mode trunk SWITCH-VLAN2(config-if)#end %SYS-5-CONFIG_I: Configured from console by console SWITCH-VLAN2#config t SWITCH-VLAN2(config)#int f0/4 SWITCH-VLAN2(config-if)#switchport mode access SWITCH-VLAN2(config-if)#switchport access vlan 6 SWITCH-VLAN2(config-if)#int f0/8 SWITCH-VLAN2(config-if)#switchport mode access SWITCH-VLAN2(config-if)#switchport access vlan 6 SWITCH-VLAN2(config-if)#int f0/5 SWITCH-VLAN2(config-if)#switchport mode access SWITCH-VLAN2(config-if)#switchport access vlan 5 SWITCH-VLAN2(config-if)#int f0/10 SWITCH-VLAN2(config-if)#switchport mode access
SWITCH-VLAN2(config-if)#switchport access vlan 7 SWITCH-VLAN2(config-if)#end SWITCH-VLAN2#config t SWITCH-VLAN2(config-if)#ip default-gateway 192.168.1.1 SWITCH-VLAN2(config)#end SWITCH-VLAN2#config t SWITCH-VLAN2(config)#enable password cantik SWITCH-VLAN2(config)#line vty 0 15 SWITCH-VLAN2(config-line)#password cantik SWITCH-VLAN2(config-line)#login SWITCH-VLAN2(config-line)#exit SWITCH-VLAN2(config-line)#^Z Ketikan perintah SWITCH SWITCH-VLAN2#sh vlan Jika berhasil hasilnya seperti di bawah ini VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Fa0/1, Fa0/3, Fa0/6, Fa0/7 Fa0/9, Fa0/11, Fa0/12, Fa0/13 Fa0/14, Fa0/15, Fa0/16, Fa0/17 Fa0/18, Fa0/19, Fa0/20, Fa0/21 Fa0/22, Fa0/23, Fa0/24 5 Fakultas-farmasi active Fa0/5 6 Fakultas-pertanian active Fa0/4, Fa0/8 7 Fakultas-teknik active Fa0/10 1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 Trans2 ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------ ------ 1 enet 100001 1500 - - - - - 0 0 5 enet 100005 1500 - - - - - 0 0 6 enet 100006 1500 - - - - - 0 0 7 enet 100007 1500 - - - - - 0 0 1002 enet 101002 1500 - - - - - 0 0
1003 enet 101003 1500 - - - - - 0 0 1004 enet 101004 1500 - - - - - 0 0 1005 enet 101005 1500 - - - - - 0 0 Catatan: VLAN1 adalah default, Standarisasi IP address pada InterVLAN Switch1 witch1/vlan VLAN2 NETWORK 192.168.2.0/24 Gateway 192.168.2.1 VLAN3 NETWORK 192.168.3.0/24 Gateway 192.168.3.1 VLAN2 NETWORK 192.168.4.0/24 Gateway 192.168.4.1 VLAN 1 Default Network 192.168.1.0/24 Gateway 192.168.1.1 SWITCH-VLAN2 VLAN5 NETWORK 192.168.5.0/24 Gateway 192.168.5.1 VLAN6 NETWORK 192.168.6.0/24 Gateway 192.168.6.1 VLAN7 NETWORK 192.168.7.0/24 Gateway 192.168.7.1 Semoga bermanfaat terutama bagi yang sedang mangambil ujian sertifikasi CCNA3. Experience is the best teacher. Kritik saran dan koreksi silahkan Email di waji4ntoe@yahoo.co.id Refrerensi http://www.cisco.com Modul CCNA3 CCNA Exam Prep (Exam640-801) By David Minutella, Jeremy Cioara, Heather Stevenson Biography. Nur Wajianto menamatkan pendidikan Sekolah Teknologi Menengah Negeri 1 Sedayu, Bantul, Yogtakarta tahun 2006, mengambil jurusan Teknik Elektro dengan bidang keahlian Teknik Informatika konsentrasi Jaringan dan Web. Dan melanjutkan ke perguruan tinggi dengan mengambil jurusan yang sama,memiliki Sertifikasi dari CISCO sebagai Cisco Certified Network Associated (CCNA), dan IT Essential (1,2) dari CISCO. For further information see at : http://www.nurwajianto.tk E-mail at : waji4ntoe@yahoo.co.id E-mail at : nur.wajianto@gmail.com YM : waji4ntoe