Oke gan, langsung saja ke TKP ...
1. Topologi Lab
2. Metode Lab
- Gunakan pengalamatan ip standard IDN
- Gunakan IS-IS single level (level 2) di ketiga router tersebut
- Ganti tipe network dari default broadcast menjadi point-to-point
- Cek IS-IS database semua router
- CEK IS-Is neighbor
IDN-R1(config)#int f0/0
IDN-R1(config-if)#ip add 12.12.12.1 255.255.255.0
IDN-R1(config-if)#ip router isis
IDN-R1(config-if)#no sh
IDN-R1(config-if)#isis network point-to-point
IDN-R1(config-if)#int l0
IDN-R1(config-if)#ip add 1.1.1.1 255.255.255.255
IDN-R1(config-if)#ip router isis
IDN-R1(config-if)#router isis
IDN-R1(config-router)#net 49.0001.0010.0100.1001.00
IDN-R1(config-router)#is-type level-2-only
IDN-R2(config)#int f0/0
IDN-R2(config-if)#no sh
IDN-R2(config-if)#ip add 12.12.12.2 255.255.255.0
IDN-R2(config-if)#ip router isis
IDN-R1(config-if)#isis network point-to-point
IDN-R2(config-if)#int f0/1
IDN-R2(config-if)#no sh
IDN-R2(config-if)#ip add 23.23.23.2 255.255.255.0
IDN-R2(config-if)#ip router isis
IDN-R1(config-if)#isis network point-to-point
IDN-R2(config-if)#int l0
IDN-R2(config-if)#ip add 2.2.2.2 255.255.255.255
IDN-R2(config-if)#ip router isis
IDN-R2(config-if)#router isis
IDN-R2(config-router)#net 49.0001.0020.0200.2002.00
IDN-R2(config-router)#is-type level-2-only
IDN-R3(config)#int f0/0
IDN-R3(config-if)#no sh
IDN-R3(config-if)#ip add 23.23.23.3 255.255.255.0
IDN-R3(config-if)#ip router isis
IDN-R1(config-if)#isis network point-to-point
IDN-R3(config-if)#int l0
IDN-R3(config-if)#ip add 3.3.3.3 255.255.255.255
IDN-R3(config-if)#ip router isis
IDN-R3(config-if)#router isis
IDN-R3(config-router)#net 49.0001.0030.0300.3003.00
IDN-R3(config-router)#is-type level-2-only
Untuk verifikasi :
IS-IS Level-2 Link State Database:
LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL
IDN-R1.00-00 * 0x00000007 0x20B3 1103 0/0/0
IDN-R2.00-00 0x0000000B 0x11DB 1111 0/0/0
IDN-R2.01-00 0x00000003 0x2D87 0 (1104) 0/0/0
IDN-R3.00-00 0x00000007 0x2735 1113 0/0/0
IDN-R3.01-00 0x00000003 0xC8C9 0 (1113) 0/0/0
Pada saat menjalankan tipe network default yaitu broadcast, sebuah LSP dihasilkan oleh DIS (Desigated Intermediate System).
IDN-R1#sh isis neighbor
System Id Type Interface IP Address State Holdtime Circuit Id
IDN-R2 L2 Fa0/0 12.12.12.2 UP 24 00
Circuit Id 00 menunjukkan bahwa tidak ada DIS pada segmen tersebut dan menunjukkan tipe network point-to-point.
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