i want to ask something about my scenarios, i have 1 PE router and 4 router(R1,R3,R4,R5) attached with the PE, in PE router running vrf-leaking and lite, and R4 running vrf-leaking and lite too. R3 want to communicate with R1, but not through PE, PE have static route to next hop in R4 and R4 have static route back to PE, for R5 do the same, but we are concerned to R3 first. for the details, im attach my topology in GNS3[flow data].
1. R1 has loopback 188.8.131.52
2. R3 has loopback 184.108.40.206
3. PE and R4 have 2 subif : for vrf b : 10.10.24.4/30 and vrf c : 10.10.24.8/30
in PE and R3, has vrf forwarding b, in PE and R4, have 2 sub if, 1 is vrf forwarding b, and 1 is vrf forwarding c, and PE and R1, has forwarding a. so the flow is, R3 through vrf b, and going to vrf b to R4. and R4 continued it to vrf c and PE continued to vrf a. i put static route in PE :
1. vrf b 220.127.116.11 255.255.255.255 10.10.24.6 //to R1 but going to R4 first.
2. vrf b 18.104.22.168 255.255.255.255 10.10.23.3 //to reach loopback R3
3. vrf a 22.214.171.124 255.255.255.255 10.10.24.10 //to R3 but going to R4.
4. vrf a 126.96.36.199 255.255.255.255 10.10.24.2 //to reach loopback R1
im leaking vrf a and c. so, in route vrf a, static via vrf c showed in vrf a. in my thought, its make sense that static must know the up/up interface. int vrf a didnt have connected 10.10.24.0/30. so after leaking it comes.
note : why can i just make 2 vrf just a and b, not through c? because its different.
in R4 i put static :
1. vrf b 188.8.131.52 255.255.255.255 10.10.24.5 // to reach R3.
2. vrf b 184.108.40.206 255.255.255.255 10.10.24.9 // to reach R1 after redirect from R3
3. vrf c 220.127.116.11 255.255.255.255 10.10.24.9/ to reach R1
4. vrf c 18.104.22.168 255.255.255.255 10.10.24.5 // to reach R3 after redirect from R1
and R4 for leaking im using bgp to leak it.
so, my question is :
1. its right i using bgp in R4? because, someone in my colleague, its no need.
2. its my static true? because in GNS, after i tracert in R3 it redirect to R4 first.
3. this vrf concept makes me confuse. please help...
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