DMVPN Lab 1 : Phase 1 Dynamic Mapping
LAB 1
Metode LAB
• Gunakan topologi di atas, konfigurasikan pengalamatan ip standard IDN
• Konfigurasi Default di R1, R2 dan R3
• Konfigurasi MGRE tunnel di HUB dan GRE tunnel di spoke
• Konfigurasikan dynamic mapping, gunakan perintah ip nhrp nhs pada SPOKE untuk request ke HUB
Dalam LAB ini, kita akan mengkonfigurasi :
• HUB menggunakan MGRE tunnel
• SPOKE menggunakan GRE tunnel
• Untuk ip private/tunnel,berikut konfigurasinya :
- R1-HUB = 192.168.100.1/24
- R2-Spoke1 = 192.168.100.2/24
- R3-Spoke2 = 192.168.100.3/24
• Multicast dan unicast hanya di antara HUB dan SPOKE
Verifikasi LAB
• Pastikan default route jalan, semua router dapat melakukan ping
• Pastikan HUB mempunyai 2 peers, digunakan perintah showdmvpn
• pastikan ip tunnel sudah benar, gunakan perintah show ip nhrp
Konfigurasi
R1 (HUB)
R1(config)#hostname HUBHUB(config)#int f0/0
HUB(config-if)#ip address 12.12.12.1 255.255.255.0
HUB(config-if)#no sh
HUB(config-if)#exit
R3 (Spoke-1)
R2(config)#hostname Spoke-1Spoke-1(config)#int f0/0
Spoke-1(config-if)#ip add 23.23.23.1 255.255.255.0
Spoke-1(config-if)#no shutdown Spoke-1(config-if)#exit
R4 (Spoke-2)
Spoke-2(config-if)#ip add 24.24.24.1 255.255.255.0
Spoke-2(config-if)#no shutdown
R2 (Internet)
internet(config-if)#ip add 12.12.12.2 255.255.255.0
internet(config-if)#no shutdown
internet(config-if)#exit
internet(config)#interface fa1/0
internet(config-if)#ip add 23.23.23.2 255.255.255.0
internet(config-if)#no shutdown
internet(config-if)#exit
internet(config)#interface fa1/1
internet(config-if)#ip add 24.24.24.2 255.255.255.0
Test ping
R1 (HUB)
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 23.23.23.1, timeout is 2 seconds:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 24.24.24.1, timeout is 2 seconds:
Sekarang konfigurasi Interface Tunnel di setiap router (pada spoke dan hub)
R1 (HUB)
HUB(config-if)#ip address 192.168.10.1 255.255.255.0
HUB(config-if)#tunnel source 12.12.12.1
HUB(config-if)#tunnel mode gre multipoint
HUB(config-if)#ip nhrp network-id 1
HUB(config-if)#ip nhrp authentication IDN
R3 (Spoke-1)
Spoke-1(config-if)#ip add 192.168.10.2 255.255.255.0
Spoke-1(config-if)#tunnel source 23.23.23.1
Spoke-1(config-if)#tunnel destination 12.12.12.1
Spoke-1(config-if)#ip nhrp network-id 1
Spoke-1(config-if)#ip nhrp authentication IDN
Spoke-1(config-if)#ip nhrp map 192.168.10.1 12.12.12.1
Spoke-1(config-if)#ip nhrp nhs 192.168.10.1
R4 (Spoke-2)
Spoke-2(config-if)#ip add 192.168.10.3 255.255.255.0
Spoke-2(config-if)#tunnel source 24.24.24.1
Spoke-2(config-if)#tunnel destination 12.12.12.1
Spoke-2(config-if)#ip nhrp network-id 1
Spoke-2(config-if)#ip nhrp authentication IDN
Spoke-2(config-if)#ip nhrp map 192.168.10.1 12.12.12.1
Spoke-2(config-if)#ip nhrp nhs 192.168.10.1
Verifikasi :
R1 (HUB)
Legend: Attrb --> S - Static, D - Dynamic, I - Incomplete
N - NATed, L - Local, X - No Socket
# Ent --> Number of NHRP entries with same NBMA peer
NHS Status: E --> Expecting Replies, R --> Responding, W --> Waiting
UpDn Time --> Up or Down Time for a Tunnel =======================================================
Interface: Tunnel0, IPv4 NHRP Details Type:Hub, NHRP Peers:2,
# Int Peer NBMA Addr Peer Tunnel Add State UpDn Tm Attrb
----- --------------- --------------- ----- -------- -----
1 23.23.23.1............................. 192.168.10.2 UP 00:12:19 D
Cek NHRP Nya :
R1 (HUB)
192.168.10.2/32 via 192.168.10.2 Tunnel0 created 00:12:36, expire
01:47:23 Type: dynamic, Flags: unique registered used
NBMA address: 23.23.23.1
192.168.10.3/32 via 192.168.10.3 Tunnel0 created 00:06:02, expire
01:53:57
Type: dynamic, Flags: unique registered used
Cek Ping Kepada Antar Tunnel, dan pastikan bisa berkomunikasi :
R1 (HUB)
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.10.2, timeout is 2 seconds:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.10.3, timeout is 2 seconds:
!!!!!
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