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BGP actual network configuration
2022-07-07 12:26:00 【Miracle_ ze】
Catalog
- One 、 The experiment purpose
- Two 、 Experimental topics
- 3、 ... and 、 The topology
- Four 、 Experimental configuration
- One 、 To configure IP And loopback
- Two .AS2 Of IGP To configure , For internal use OSPF Connect
- 3、 ... and 、 Start on all routers BGP And make announcements respectively , And right AS2 Internal IBGP When forwarding, the next hop is your own modification
- Four 、 Loopback static configuration
- 5、 ... and 、 see bgp Neighbor table and routing table
- 6、 ... and 、 View results 【pc1 As an example 】
- 5、 ... and 、 Summary of the experiment
One 、 The experiment purpose
A preliminary understanding BGP Basic configuration
Two 、 Experimental topics
3、 ... and 、 The topology
Four 、 Experimental configuration
One 、 To configure IP And loopback
PC1
PC2
PC3
PC4
PC5
R1
R2
R3
R4
R5
Two .AS2 Of IGP To configure , For internal use OSPF Connect
R2
R3
R4
Result example
3、 ... and 、 Start on all routers BGP And make announcements respectively , And right AS2 Internal IBGP When forwarding, the next hop is your own modification
1. Because the loopback interface is used as EBGP To build neighbors , So we need to modify the relationship between neighbors TTL value , modify ebgp-max-hop by 2
2. The present BGP Environmental Science , Not good mainly because the next jump can't reach ;
because AS-BY-AS Lead to , A routing message is in IBGP When the neighbors pass , Its attribute is not numbered by default ; Eventually, it often leads to the next hop unreachable ;
R1
R2
R3
R4
R5
Four 、 Loopback static configuration
R1
R2
R4
R5
5、 ... and 、 see bgp Neighbor table and routing table
6、 ... and 、 View results 【pc1 As an example 】
5、 ... and 、 Summary of the experiment
The operation of the experiment is simple and there is no problem , The only problem I have is AS There is no configuration between loopback and next hop . There is no problem in the experiment after solving .
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