การคอนฟิกส์ OSPF บน Ubiquiti Edge Router
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The document provides instructions for configuring three Ubiquiti EdgeRouter devices (R1, R2, R3) with OSPF routing. It describes setting the IP addresses and OSPF parameters for each router, including their router IDs, networks, and areas. It confirms the OSPF configuration is working by showing R1 has learned the route to network 10.0.60.0/24 through R2 and can ping and trace route to R3 on that network. It also lists some common OSPF commands for viewing routes, neighbors, and interface information.
![Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION
ตั้งค่าเร้าเตอร์ (R3)
ตั้งค่า IP addresses.
ubnt@R3#set interfaces ethernet eth0 address 10.0.60.3/24
ตั้งค่า OSPF.
ubnt@R3#set protocols ospf parameters router-id 10.0.60.3
ubnt@R3#set protocols ospf area 0.0.0.0 network 10.0.60.0/24
หลังจากตั้งค่าคอนฟิกส์แล้วทากรตรวจสอบการเร้าว่าถึงกันหรือไม่
เร้าเตอร์ R1 จะเรียนรู้เน็ตเวิร์ค 10.0.60.0/24 เน็ตจะเร้าไปถึงโดย 10.0.50.2
ubnt@R1:~$ show ip route
Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF,
I - ISIS, B - BGP, > - selected route, * - FIB route
S>* 0.0.0.0/0 [210/0] via 192.168.0.1, eth5
O 10.0.50.0/24 [110/10] is directly connected, eth1, 00:00:27
C>* 10.0.50.0/24 is directly connected, eth1
O>* 10.0.60.0/24 [110/20] via 10.0.50.2, eth1, 00:00:11
C>* 127.0.0.0/8 is directly connected, lo
C>* 172.16.3.0/24 is directly connected, eth2
ubnt@R1:~$ ping 10.0.60.3
PING 10.0.60.3 (10.0.60.3) 56(84) bytes of data.
64 bytes from 10.0.60.3: icmp_req=1 ttl=63 time=18.1 ms
^C
--- 10.0.60.3 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 18.175/18.175/18.175/0.000 ms
ubnt@R1:~$ traceroute 10.0.60.3
traceroute to 10.0.60.3 (10.0.60.3), 30 hops max, 60 byte packets
1 10.0.50.2 (10.0.50.2) 0.251 ms 0.219 ms 0.175 ms
2 10.0.60.3 (10.0.60.3) 0.287 ms 0.248 ms 0.266 ms](https://image.slidesharecdn.com/ospfubntedgerouter-151219091410/85/OSPF-Ubiquiti-Edge-Router-3-320.jpg)
การคอนฟิกส์ OSPF บน Ubiquiti Edge Router
- 1. Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION การคอนฟิกส์ OSPF บน UBNT EDGE ROUTER ตัวอย่างเน็ตเวิร์คคอนฟิกส์ ไดอะแกรมประด้วย 3 เร้าเตอร์ที่ต้องการคอนฟิกส์เร้าให้เป็นแบบ OSPF
- 2. Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION ตั้งค่าเร้าเตอร์ (R1) ตั้งค่า IP addresses. ubnt@R1#set interfaces ethernet eth1 address 10.0.50.1/24 ตั้งค่า OSPF. ubnt@R1#set protocols ospf parameters router-id 10.0.50.1 ubnt@R1#set protocols ospf area 0.0.0.0 network 10.0.50.0/24 ตั้งค่าเร้าเตอร์ (R2) ตั้งค่า IP addresses. ubnt@R2#set interfaces ethernet eth1 address 10.0.50.2/24 ubnt@R2#set interfaces ethernet eth2 address 10.0.60.2/24 ตั้งค่า OSPF. ubnt@R2#set protocols ospf parameters router-id 10.0.50.2 ubnt@R2#set protocols ospf area 0.0.0.0 network 10.0.50.0/24 ubnt@R2#set protocols ospf area 0.0.0.0 network 10.0.60.0/24
- 3. Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION ตั้งค่าเร้าเตอร์ (R3) ตั้งค่า IP addresses. ubnt@R3#set interfaces ethernet eth0 address 10.0.60.3/24 ตั้งค่า OSPF. ubnt@R3#set protocols ospf parameters router-id 10.0.60.3 ubnt@R3#set protocols ospf area 0.0.0.0 network 10.0.60.0/24 หลังจากตั้งค่าคอนฟิกส์แล้วทากรตรวจสอบการเร้าว่าถึงกันหรือไม่ เร้าเตอร์ R1 จะเรียนรู้เน็ตเวิร์ค 10.0.60.0/24 เน็ตจะเร้าไปถึงโดย 10.0.50.2 ubnt@R1:~$ show ip route Codes: K - kernel route, C - connected, S - static, R - RIP, O - OSPF, I - ISIS, B - BGP, > - selected route, * - FIB route S>* 0.0.0.0/0 [210/0] via 192.168.0.1, eth5 O 10.0.50.0/24 [110/10] is directly connected, eth1, 00:00:27 C>* 10.0.50.0/24 is directly connected, eth1 O>* 10.0.60.0/24 [110/20] via 10.0.50.2, eth1, 00:00:11 C>* 127.0.0.0/8 is directly connected, lo C>* 172.16.3.0/24 is directly connected, eth2 ubnt@R1:~$ ping 10.0.60.3 PING 10.0.60.3 (10.0.60.3) 56(84) bytes of data. 64 bytes from 10.0.60.3: icmp_req=1 ttl=63 time=18.1 ms ^C --- 10.0.60.3 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 18.175/18.175/18.175/0.000 ms ubnt@R1:~$ traceroute 10.0.60.3 traceroute to 10.0.60.3 (10.0.60.3), 30 hops max, 60 byte packets 1 10.0.50.2 (10.0.50.2) 0.251 ms 0.219 ms 0.175 ms 2 10.0.60.3 (10.0.60.3) 0.287 ms 0.248 ms 0.266 ms
- 4. Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION คาสั่งอื่นๆที่ใช้ คาสั่งให้แสดง ข้อมูลไอพีของ OSPF ubnt@R1:~$ show ip ospf OSPF Routing Process, Router ID: 10.0.50.1 Supports only single TOS (TOS0) routes This implementation conforms to RFC2328 RFC1583Compatibility flag is disabled OpaqueCapability flag is disabled Initial SPF scheduling delay 200 millisec(s) Minimum hold time between consecutive SPFs 1000 millisec(s) Maximum hold time between consecutive SPFs 10000 millisec(s) Hold time multiplier is currently 1 SPF algorithm last executed 3m57s ago SPF timer is inactive Refresh timer 10 secs Number of external LSA 0. Checksum Sum 0x00000000 Number of opaque AS LSA 0. Checksum Sum 0x00000000 Number of areas attached to this router: 1 Area ID: 0.0.0.0 (Backbone) Number of interfaces in this area: Total: 1, Active: 1 Number of fully adjacent neighbors in this area: 1 Area has no authentication SPF algorithm executed 3 times Number of LSA 5 Number of router LSA 3. Checksum Sum 0x0000d444 Number of network LSA 2. Checksum Sum 0x00007d31 Number of summary LSA 0. Checksum Sum 0x00000000 Number of ASBR summary LSA 0. Checksum Sum 0x00000000 Number of NSSA LSA 0. Checksum Sum 0x00000000 Number of opaque link LSA 0. Checksum Sum 0x00000000 Number of opaque area LSA 0. Checksum Sum 0x00000000
- 5. Prepared by wichets – 0923921991 | E-SPACE TECHNOLOGIES CORPORATION คาสั่งสาหรับให้แสดงสอบฐานข้อมูลไอพีของ OSPF ubnt@R1:~$ show ip ospf database OSPF Router with ID (10.0.50.1) Router Link States (Area 0.0.0.0) Link ID ADV Router Age Seq# CkSum Link count 10.0.50.1 10.0.50.1 259 0x80000003 0x1f33 1 10.0.50.2 10.0.50.2 259 0x80000006 0x7131 2 10.0.60.3 10.0.60.3 279 0x80000003 0x43e0 1 Net Link States (Area 0.0.0.0) Link ID ADV Router Age Seq# CkSum 10.0.50.2 10.0.50.2 260 0x80000001 0x283a 10.0.60.2 10.0.50.2 279 0x80000001 0x54f7 ubnt@R2:~$ show ip ospf neighbor Neighbor ID Pri State Dead Time Address Interface RXmtL RqstL DBsmL 10.0.50.1 1 Full/Backup 31.462s 10.0.50.1 eth1:10.0.50.2 0 0 0 10.0.60.3 1 Full/Backup 31.633s 10.0.60.3 eth2:10.0.60.2 0 0 0 คาสั้งเพื่อแสดง OSPF interface ubnt@R1:~$ show ip ospf interface eth1 eth1 is up ifindex 3, MTU 1500 bytes, BW 0 Kbit Internet Address 10.0.50.1/24, Broadcast 10.0.50.255, Area 0.0.0.0 MTU mismatch detection:enabled Router ID 10.0.50.1, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State Backup, Priority 1 Designated Router (ID) 10.0.50.2, Interface Address 10.0.50.2 Backup Designated Router (ID) 10.0.50.1, Interface Address 10.0.50.1 Multicast group memberships: OSPFAllRouters OSPFDesignatedRouters Timer intervals configured, Hello 10s, Dead 40s, Wait 40s, Retransmit 5 Hello due in 8.940s Neighbor Count is 1, Adjacent neighbor count is 1