Lab Bgp Cisco

Lab 1 - Konfigurasi Dasar iBGP Peering

1. enable router BGP Router(config)# router bgp [AS NUBER] 2. neighbor configuration Router(config-router)# neighbor [peer address] remote-as [AS NUMBER] 3. Check the status Router# Show ip bgp summary Router# Show ip bgp

Router R1

Router R2

int fa0/0 ip addr 12.12.12.1 255.255.255.0 no shut

int fa0/0 ip addr 12.12.12.2 255.255.255.0 no shut

router bgp 12 neighbor 12.12.12.2 remote-as 12

router bgp 12 neighbor 12.12.12.1 remote-as 12

BGP Workshop - www.id-networkers.com – 26 Juli 2009

BGP Network Advertisement R1 Loopback interface R1(config)# int lo1 R1(config-if)# ip address 11.11.11.11

255.255.255.255

R1(config)# int lo2 R1(config-if)# ip address 111.111.111.111

255.255.255.0

R2 Loopback interface R2(config)# int lo1 R2(config-if)# ip address 22.22.22.22

255.255.255.255

R2(config)# int lo2 R2(config-if)# ip address 222.222.222.222

255.255.255.0

1. Network command R1(config)# router bgp 12 R1(config-router)# network 11.11.11.11 mask 255.255.255.255 R1(config-router)# network 111.111.111.0 mask 255.255.255.0 R1(config-router)# network 12.12.12.0 mask 255.255.255.0 2. Static Redistribution R2(config)# ip route 222.222.222.0 255.255.255.0 null0 R2(config)# router bgp 12 R2(config-router)# redistribute static R2(config-router)# network 12.12.12.0 mask 255.255.255.0 3. Dynamic Route Redistribution (RIP, OSPF, EIGRP dll) R2(config)# router eigrp 12 R2(config-router)# network 22.22.22.22 0.0.0.0 R2(config-router)# no auto-summary R2(config)# router bgp 12 R2(config-router)# redistribute eigrp 12 Pengecekan : Router# Show ip bgp summary Router# Show ip bgp Router# Show ip route bgp Router# ping 11.11.11.11 Router# ping 111.111.111.111 Router# ping 22.22.22.22 Router# ping 222.222.222.222 BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 2 – iBGP Peering - Loopback

1. Konfigurasi IP address R1 R1(config)# int fa0/0 R1(config-if)# ip addr 12.12.12.1 255.255.255.0 R1(config)# int fa1/0 R1(config-if)# ip addr 21.21.21.1 255.255.255.0 R1(config)# int lo0 R1(config-if)# ip addr 1.1.1.1 255.255.255.255 2. Konfigurasi IP address R2 R2(config)# int fa0/0 R2(config-if)# ip addr 12.12.12.2 255.255.255.0 R2(config)# int fa1/0 R2(config-if)# ip addr 21.21.21.2 255.255.255.0 R2(config)# int lo0 R2(config-if)# ip addr 2.2.2.2 255.255.255.255 3. static route ke loopback interface R1(config)# ip route 2.2.2.2 255.255.255.255 R1(config)# ip route 2.2.2.2 255.255.255.255 R2(config)# ip route 1.1.1.1 255.255.255.255 R2(config)# ip route 1.1.1.1 255.255.255.255

12.12.12.2 21.21.21.2 12.12.12.1 21.21.21.1

4. Konfigurasi BGP R1(config)# router bgp 12 R1(config-router)# neighbor 2.2.2.2 remote-as 12 R1(config-router)# neighbor 2.2.2.2 update-source Loopback0 R1(config-router)# network 1.1.1.1 mask 255.255.255.255 R1(config-router)# network 21.21.21.0 mask 255.255.255.0 R2(config)# router bgp 12 R2(config-router)# neighbor 1.1.1.1 remote-as 12 R2(config-router)# neighbor 1.1.1.1 update-source Loopback0 R1(config-router)# network 2.2.2.2 mask 255.255.255.255 R1(config-router)# network 21.21.21.0 mask 255.255.255.0 Pengecekan : R1,R2# ping 1.1.1.1 R1,R2r# ping 2.2.2.2 R1,R2# Show ip bgp summary R1,R2# Show ip bgp R1,R2# Show ip route bgp R1,R2# ping 11.11.11.11 R1,R2# ping 111.111.111.111 R1,R2# ping 22.22.22.22 R1,R2# ping 222.222.222.222

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 3 – eBGP Peering AS 12

AS 3

1. Konfigurasi IP address R2(config)# int s0/0 R2(config-if)# ip addr 23.23.23.2 255.255.255.0 R3(config)# int s0/0 R3(config-if)# ip addr 23.23.23.3 255.255.255.0 R3(config)# int loopback0 R3(config-if)# ip addr 33.33.33.33 255.255.255.255 2. Konfigurasi BGP R2(config)# router bgp 12 R2(config-router)# neighbor 23.23.23.3 remote-as 3 R2(config-router)# network 23.23.23.0 mask 255.255.255.0 R3(config)# router bgp 3 R3(config-router)# neighbor 23.23.23.2 remote-as 12 R3(config-router)# network 33.33.33.33 mask 255.255.255.255 R2(config-router)# network 23.23.23.0 mask 255.255.255.0 Pengecekan : R2,R3# Show ip bgp summary R2,R3# Show ip bgp R2,R3# Show ip route bgp R2,R3# ping 22.22.22.22 R2,R3# ping 222.222.222.222 R2,R3# ping 33.33.33.33

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 4 – eBGP Peering – Loopback – eBGP Multihop AS 12

AS 3

1. Konfigurasi IP address R2 R2(config)# int s0/0 R2(config-if)# ip addr 23.23.23.2 255.255.255.0 R2(config)# int s0/1 R2(config-if)# ip addr 32.32.32.2 255.255.255.0 R2(config)# int lo0 R2(config-if)# ip addr 2.2.2.2 255.255.255.255 2. Konfigurasi IP address R3 R3(config)# int s0/0 R3(config-if)# ip addr 23.23.23.3 255.255.255.0 R3(config)# int s0/1 R3(config-if)# ip addr 32.32.32.3 255.255.255.0 R3(config)# int lo0 R3(config-if)# ip addr 3.3.3.3 255 .255.255.255 3. static route ke loopback interface R2(config)# ip route 3.3.3.3 255.255.255.255 32.32.32.3 R2(config)# ip route 3.3.3.3 255.255.255.255 23.23.23.3 R3(config)# ip route 2.2.2.2 255.255.255.255 32.32.32.2 R3(config)# ip route 2.2.2.2 255.255.255.255 23.23.23.2 4. Konfigurasi BGP R2(config)# router bgp 12 R2(config-router)# neighbor 3.3.3.3 remote-as 3 R2(config-router)# neighbor 3.3.3.3 update-source Loopback0 R2(config-router)# network 32.32.32.0 mask 255.255.255.0 R3(config)# router bgp 3 R3(config-router)# neighbor 2.2.2.2 remote-as 12 R3(config-router)# neighbor 3.3.3.3 update-source Loopback0 R3(config-router)# network 32.32.32.0 mask 255.255.255.0 Pengecekan : R2,R3# ping 2.2.2.2 R2,R3# ping 3.3.3.3 R2,R3# Show ip bgp summary R2,R3# Show ip bgp R2,R3# Show ip route bgp R2,R3# ping 22.22.22.22 R2,R3# ping 222.222.222.222 R2,R3# ping 33.33.33.33 BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 5 – BGP Next-Hop-Self AS 12

AS 3

1. Konfigurasi BGP R2(config)# router bgp 12 R2(config-router)# neighbor 1.1.1.1 next-hop-self Pengecekan : R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3#

Show ip bgp summary Show ip bgp Show ip route bgp ping 1.1.1.1 ping 2.2.2.2 ping 3.3.3.3 ping 11.11.11.11 ping 22.22.22.22 ping 33.33.33.33 ping 111.111.111.111 ping 222.222.222.222

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 6 – BGP Authentication AS 12

AS 3

1. Konfigurasi BGP R1(config)# router bgp 12 R1(config-router)# neighbor 2.2.2.2 password 0 RAHASIA R2(config)# router bgp 12 R2(config-router)# neighbor 1.1.1.1 password 0 RAHASIA Pengecekan : R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3# R1,R2,R3#

Show ip bgp summary Show ip bgp Show ip route bgp ping 1.1.1.1 ping 2.2.2.2 ping 3.3.3.3 ping 11.11.11.11 ping 22.22.22.22 ping 33.33.33.33 ping 111.111.111.111 ping 222.222.222.222

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 7 – BGP Route Reflector AS 12

AS 3

1. Konfigurasi IP address R1(config)# int s0/0 R1(config-if)# ip addr 41.41.41.1 255.255.25.0 R4(config)# int s0/0 R4(config-if)# ip addr 41.41.41.4 255.255.255.0 R4(config)# int Lo0 R4(config-if)# ip addr 4.4.4.4 255.255.255.255 2. Konfigurasi BGP R1(config)# router bgp 12 R1(config-router)# neighbor 41.41.41.4 remote-as 12 R1(config-router)# network 41.41.41.0 mask 255.255.255.0 R4(config)# router bgp 12 R4(config-router)# neighbor 41.41.41.1 remote-as 12 R4(config-router)# network 41.41.41.0 mask 255.255.255.0 R4(config-router)# network 4.4.4.4 mask 255.255.255.255 3. Konfigurasi Route Reflector R1(config)# router bgp 12 R1(config-router)# neighbor 41.41.41.4 route-reflector-client R1(config-router)# neighbor 2.2.2.2 route-reflector-client Pengecekan : R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4# R1,R2,R3,R4#

Show ip bgp summary Show ip bgp Show ip route bgp ping 1.1.1.1 ping 2.2.2.2 ping 3.3.3.3 ping 4.4.4.4 ping 11.11.11.11 ping 22.22.22.22 ping 33.33.33.33 ping 111.111.111.111 ping 222.222.222.222

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 8 – BGP Confederation

AS 12001

AS 12002

AS 12003

AS 12

AS 3

1. Konfigurasi R1 interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface FastEthernet0/0 ip address 14.14.14.1 255.255.255.0 ! interface FastEthernet1/0 ip address 12.12.12.1 255.255.255.0 ! router bgp 12001 bgp confederation identifier 12 bgp confederation peers 12002 12003 network 1.1.1.1 mask 255.255.255.255 network 12.12.12.0 mask 255.255.255.0 network 14.14.14.0 mask 255.255.255.0 neighbor 12.12.12.2 remote-as 12002 neighbor 14.14.14.4 remote-as 12001 2. Konfigurasi R4 interface Loopback0 ip address 4.4.4.4 255.255.255.255 ! interface FastEthernet0/0 ip address 14.14.14.4 255.255.255.0 ! router bgp 12001 bgp confederation identifier 12 bgp confederation peers 12002 12003 network 4.4.4.4 mask 255.255.255.255 network 14.14.14.0 mask 255.255.255.0 neighbor 14.14.14.1 remote-as 12001

BGP Workshop - www.id-networkers.com – 26 Juli 2009

3. Konfigurasi R2 interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface Serial0/0 ip address 25.25.25.2 255.255.255.0 ! interface FastEthernet1/0 ip address 12.12.12.2 255.255.255.0 ! interface FastEthernet2/0 ip address 23.23.23.2 255.255.255.0 ! router bgp 12002 bgp confederation identifier 12 bgp confederation peers 12001 12003 network 2.2.2.2 mask 255.255.255.255 network 12.12.12.0 mask 255.255.255.0 network 23.23.23.0 mask 255.255.255.0 network 25.25.25.0 mask 255.255.255.0 neighbor 12.12.12.1 remote-as 12001 neighbor 23.23.23.3 remote-as 12003 neighbor 25.25.25.5 remote-as 12002 4. Konfigurasi R5 interface Loopback0 ip address 5.5.5.5 255.255.255.255 ! interface Serial0/0 ip address 25.25.25.5 255.255.255.0 ! router bgp 12002 bgp confederation identifier 12 bgp confederation peers 12001 12003 network 5.5.5.5 mask 255.255.255.255 network 25.25.25.0 mask 255.255.255.0 neighbor 25.25.25.2 remote-as 12002

BGP Workshop - www.id-networkers.com – 26 Juli 2009

5. Konfigurasi R3 interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! interface Serial0/0 ip address 36.36.36.3 255.255.255.0 ! interface FastEthernet1/0 ip address 23.23.23.3 255.255.255.0 ! router bgp 12003 bgp confederation identifier 12 bgp confederation peers 12002 12001 network 3.3.3.3 mask 255.255.255.255 network 23.23.23.0 mask 255.255.255.0 network 36.36.36.0 mask 255.255.255.0 neighbor 23.23.23.2 remote-as 12002 neighbor 36.36.36.6 remote-as 6 6. Konfigurasi R6 interface Loopback0 ip address 6.6.6.6 255.255.255.255 ! interface Serial0/0 ip address 36.36.36.6 255.255.255.0 ! router bgp 6 network 6.6.6.6 mask 255.255.255.255 network 36.36.36.0 mask 255.255.255.0 neighbor 36.36.36.3 remote-as 12

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 9 – BGP Attribute (weight)

AS 12

AS 34

1. Jalur Routing .. R1#sh ip bgp 45.45.45.5 BGP routing table entry for 45.45.45.0/24, version 9 Paths: (2 available, best #2, table Default-IP-Routing-Table) Advertised to update-groups: 1 34 23.23.23.3 from 12.12.12.2 (2.2.2.2) Origin IGP, metric 0, localpref 100, valid, internal 34 14.14.14.4 from 14.14.14.4 (4.4.4.4) Origin IGP, metric 0, localpref 100, valid, external, best R0#traceroute 45.45.45.5 Type escape sequence to abort. Tracing the route to 45.45.45.5 1 10.10.10.1 72 msec 80 msec 64 msec 2 14.14.14.4 124 msec 92 msec 128 msec 3 45.45.45.5 156 msec 116 msec *

BGP Workshop - www.id-networkers.com – 26 Juli 2009

2. Konfigurasi Weight Attribute R1(config)#router bgp 100 R1(config-router)#neighbor 12.12.12.2 remote-as 12 R1(config-router)#neighbor 12.12.12.2 route-map WEIGHT in R1(config)#route-map WEIGHT permit 10 R1(config-route-map)#set weight 100 R1(config-route-map)#do clear ip bgp * R1#sh ip bgp 45.45.45.5 BGP routing table entry for 45.45.45.0/24, version 15 Paths: (2 available, best #2, table Default-IP-Routing-Table) Flag: 0x840 Advertised to update-groups: 2 34 14.14.14.4 from 14.14.14.4 (4.4.4.4) Origin IGP, metric 0, localpref 100, valid, external 34 23.23.23.3 from 12.12.12.2 (2.2.2.2) Origin IGP, metric 0, localpref 100, weight 100, valid, internal, best R0#traceroute 45.45.45.5 Type escape sequence to abort. Tracing the route to 45.45.45.5 1 10.10.10.1 2 12.12.12.2 3 23.23.23.3 4 34.34.34.4 5 45.45.45.5 Router#

36 msec 92 msec 64 msec 104 msec 124 msec 104 msec 224 msec 204 msec 236 msec 256 msec 228 msec 188 msec 344 msec 276 msec *

BGP Workshop - www.id-networkers.com – 26 Juli 2009

Lab 10 – BGP Attribute (Metric-MED)

AS 12

AS 34

1. Jalur Routing .. R1#sh ip bgp 45.45.45.5 BGP routing table entry for 45.45.45.0/24, version 29 Paths: (2 available, best #2, table Default-IP-Routing-Table) Flag: 0x820 Advertised to update-groups: 1 34 23.23.23.3 from 12.12.12.2 (2.2.2.2) Origin IGP, metric 0, localpref 100, valid, internal 34 14.14.14.4 from 14.14.14.4 (4.4.4.4) Origin IGP, metric 0, localpref 100, valid, external, best R0#traceroute 45.45.45.5 Type escape sequence to abort. Tracing the route to 45.45.45.5 1 10.10.10.1 72 msec 80 msec 64 msec 2 14.14.14.4 124 msec 92 msec 128 msec 3 45.45.45.5 156 msec 116 msec *

BGP Workshop - www.id-networkers.com – 26 Juli 2009

2. Konfigurasi MED Attribute R4(config)#router bgp 12 R4(config-router)#neighbor 12.12.12.2 remote-as 12 R4(config-router)# neighbor 14.14.14.1 route-map MED out R4(config)#route-map MED permit 10 R4(config-route-map)#set metric 200 R4(config-route-map)#do clear ip bgp * Router#sh ip bgp 45.45.45.5 BGP routing table entry for 45.45.45.0/24, version 40 Paths: (2 available, best #1, table Default-IP-Routing-Table) Flag: 0x860 Advertised to update-groups: 2 34 23.23.23.3 from 12.12.12.2 (2.2.2.2) Origin IGP, metric 0, localpref 100, valid, internal, best 34 14.14.14.4 from 14.14.14.4 (4.4.4.4) Origin IGP, metric 200, localpref 100, valid, external R0#traceroute 45.45.45.5 Type escape sequence to abort. Tracing the route to 45.45.45.5 1 2 3 4 5

10.10.10.1 12.12.12.2 23.23.23.3 34.34.34.4 45.45.45.5

100 msec 76 msec 64 msec 96 msec 108 msec 172 msec 228 msec 196 msec 184 msec 156 msec 264 msec 156 msec 204 msec 168 msec *

BGP Workshop - www.id-networkers.com – 26 Juli 2009