Lab 18. Default Route - Summary

Assalamu'alaikum Warohmatullahi Wabarokatuh...
baik sahabat configer kali ini saya akan sedikit sharing mengenai default route summary

kali ini kita akan coba default route summary untuk skema jaringannya seperti ini 

Sekarang kita akan konfigurasi ip dan eigrp pada semua router :

Router 1

R1(config)#int lo0
R1(config-if)#ip add 1.1.1.1 255.255.255.255
R1(config)#int se1/0
R1(config-if)#ip add 12.12.12.1 255.255.255.0
R1(config-if)#no shutdown
R1(config)#router eigrp 10
R1(config-router)#net 1.1.1.1 0.0.0.0
R1(config-router)#net 12.12.12.1 0.0.0.0
R1(config-router)#no auto-summary

Router 2

R2(config)#int lo0
R2(config-if)#ip add 2.2.2.2 255.255.255.255
R2(config-if)#exit
R2(config)#int se1/0
R2(config-if)#ip add 12.12.12.2 255.255.255.0
R2(config-if)#no sh
R2(config)#int f0/0
R2(config-if)#ip add 23.23.23.2 255.255.255.0
R2(config-if)#no sh
R2(config)#router eigrp 10
R2(config-router)#net 12.12.12.2 0.0.0.0
R2(config-router)#net 2.2.2.2 0.0.0.0
R2(config-router)#net 23.23.23.2 0.0.0.0
R2(config-router)#no auto-summary

Router3

R3(config)#int lo0
R3(config-if)#ip add 3.3.3.3 255.255.255.255
R3(config-if)#ex
R3(config)#int f0/0
R3(config-if)#ip add 23.23.23.1 255.255.255.0
R3(config-if)#no sh
R3(config-if)#ex
R3(config)#router eigrp 10
R3(config-router)#net 3.3.3.3 0.0.0.0
R3(config-router)#net 23.23.23.1 0.0.0.0
R3(config-router)#no auto-summary

setelah selesai kita cek ip route dan test ping koneksinya

R1#sh ip route
Codes: L - local, C - connected, S - static, 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
i - IS-IS, su - IS-IS summary, 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, H - NHRP, l - LISP
+ - replicated route, % - next hop override
Gateway of last resort is not set
1.0.0.0/32 is subnetted, 1 subnets
1.1.1.1 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
2.2.2.2 [90/2297856] via 12.12.12.2, 00:10:43, Serial1/0
3.0.0.0/32 is subnetted, 1 subnets
3.3.3.3 [90/2300416] via 12.12.12.2, 00:05:37, Serial1/0
12.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
12.12.12.0/24 is directly connected, Serial1/0
12.12.12.1/32 is directly connected, Serial1/0
23.0.0.0/24 is subnetted, 1 subnets
23.23.23.0 [90/2172416] via 12.12.12.2, 00:05:39, Serial1/0

R1#ping 1.1.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 1.1.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms

R1#ping 2.2.2.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2.2.2.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/11/16 ms

R1#ping 3.3.3.3
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.3, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/32/40 ms

buat loopback11 pada R3

R3(config-router)#int lo11
R3(config-if)#ip add 11.11.11.11 255.255.255.2555

eksekusi perintah berikut untuk mensummarynya

R3(config)#int f0/0
R3(config-if)#ip summary-address eigrp 10 0.0.0.0 0.0.0.0

sekarang bisa kita cek pada R1 walaupun ip route 11.11.11.11 tidak terdeteksi tapi bisa di ping karena tadi sudah tersummary ke ip 0.0.0.0/0

R1(config)#do sh ip route 11.11.11.11   
% Network not in table
R1(config)#do ping 11.11.11.11
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 11.11.11.11, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 20/32/68 ms

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Wassalamu'alaikum ...

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