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 HUB 
HUB(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 
HUB(config)#ip route 0.0.0.0 0.0.0.0 12.12.12.2

R3 (Spoke-1)

R2(config)#hostname Spoke-1 
Spoke-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 
Spoke-1(config)#ip route 0.0.0.0 0.0.0.0 23.23.23.2 

R4 (Spoke-2)

Spoke-2(config)#interface fa0/0 
Spoke-2(config-if)#ip add 24.24.24.1 255.255.255.0 
Spoke-2(config-if)#no shutdown 
Spoke-2(config-if)#exit 
Spoke-2(config)#ip route 0.0.0.0 0.0.0.0 24.24.24.2

R2 (Internet)

internet(config)#interface fa0/0 
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 
internet(config-if)#no shutdown 

Test ping

R1 (HUB)

HUB#ping 23.23.23.1 
Type escape sequence to abort. 
Sending 5, 100-byte ICMP Echos to 23.23.23.1, timeout is 2 seconds: 
!!!!! 
Success rate is 100 percent (5/5), round-trip min/avg/max = 72/98/152 ms

HUB#ping 24.24.24.1 
Type escape sequence to abort. 
Sending 5, 100-byte ICMP Echos to 24.24.24.1, timeout is 2 seconds: 
!!!!! 
Success rate is 100 percent (5/5), round-trip min/avg/max = 40/74/104 ms

Sekarang konfigurasi Interface Tunnel di setiap router (pada spoke dan hub)

R1 (HUB)

HUB(config)#interface tunnel0 
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 
HUB(config-if)#exit

R3 (Spoke-1)

Spoke-1(config)#interface tunnel0 
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 
Spoke-1(config-if)#exit

R4 (Spoke-2)

Spoke-2(config)#interface tunnel0 
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 
Spoke-2(config-if)#exit

Verifikasi :

R1 (HUB)

HUB#show dmvpn 
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 
 1 24.24.24.1............................. 192.168.10.3 UP 00:05:44 D

Cek NHRP Nya :

R1 (HUB)

HUB#show ip nhrp 
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 
NBMA address: 24.24.24.1

Cek Ping Kepada Antar Tunnel, dan pastikan bisa berkomunikasi :

R1 (HUB)

HUB#ping 192.168.10.2 
Type escape sequence to abort. 
Sending 5, 100-byte ICMP Echos to 192.168.10.2, timeout is 2 seconds: 
!!!!! 
Success rate is 100 percent (5/5), round-trip min/avg/max = 36/57/112 ms 

HUB#ping 192.168.10.3 
Type escape sequence to abort. 
Sending 5, 100-byte ICMP Echos to 192.168.10.3, timeout is 2 seconds: 
!!!!! 
Success rate is 100 percent (5/5), round-trip min/avg/max = 16/39/60 ms


Comments