JC1005のnext-hop-self

Transcript

1. JC1005
   next-hop-self Yuya Kawakami (@yuyarin) Cloud Service, NTT Communications JPNAP, Internet Multifeed
2. JC1005next-hop-selfh!cf 4-5 14+$3&dD 3) Next-Hop-Self#dD! lKAS 14+$3&IB#AS;iBGPFA!jNext-Hop-Self #dD! Rdb5WYNext-Hop-Self#=X C@ IX6T]P#gZ  R - 5c1) f8AS IX(&/3,.2-$*%'#FA"  g:kE#iU!
   5c2)fHGm#? ,0-$*%7L#iU![Q>! - ^AS14)#aOK\! e`<NIGPECMP#9X !C@
   Next-Hop-Self#dD C@ ! - Next-Hop-Self#dDe`<N!JV iBGP Multipath#9X!  ! JANOG Comment 1005 MD_S https://docs.google.com/document/d/1DWVmvOMGXn_F40WWbmxox2FBc0AAsfwcMUD93d2Y-rs/edit#
3. JC1005next-hop-selfh!cf 4-5 14+$3&dD 3) Next-Hop-Self#dD! lKAS 14+$3&IB#AS;iBGPFA!jNext-Hop-Self #dD! Rdb5WYNext-Hop-Self#=X C@ IX6T]P#gZ  R - 5c1) f8AS IX(&/3,.2-$*%'#FA"  g:kE#iU!
   5c2)fHGm#? ,0-$*%7L#iU![Q>! - ^AS14)#aOK\! e`<NIGPECMP#9X !C@
   Next-Hop-Self#dD C@ ! - Next-Hop-Self#dDe`<N!JV iBGP Multipath#9X!  ! JANOG Comment 1005 MD_S https://docs.google.com/document/d/1DWVmvOMGXn_F40WWbmxox2FBc0AAsfwcMUD93d2Y-rs/edit#
4. IX (10.0.0.0/16) 
   AS 10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External
5. IX (10.0.0.0/16)
    10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (e) eBGP  iBGP  172.16.2.0/24  172.16.2.0/24  AS   OSPF 
6. IX (10.0.0.0/16) next-hop-self 10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (e) BGP RIB 172.16.2.0/24 192.168.1.1 (i) FIB 172.16.2.0/24 192.168.1.1 (i) OSPF
    FIB    
7. IX (10.0.0.0/16) 1. next-hop-self
    10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (i) FIB Next Hop 10.0.2.2 OSPF
    FIB   
   
8. IX (10.0.0.0/16) 1-1. OSPFIX   10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (i) OSPF RIB 10.0.0.0/16 192.168.1.1 FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 192.168.1.1 (OSPF) IX   OSPF
    (passive interface redistribute connected)
9. IX (10.0.0.0/16) 1-2-1. iBGPIX  10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (i) 10.0.0.0/16 192.168.1.1 (i) FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 192.168.1.1 (iBGP) IX  iBGP
    (redistribute connected)
10. IX (10.0.0.0/16) 1-2-2. IX MisOrigin  10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External BGP RIB 172.16.2.0/24 10.0.2.2 (i) 10.0.0.0/16 192.168.1.1 (i) 10.0.0.0/16 10.0.9.1 (i) FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 10.0.9.1 (iBGP) 
       NH  Private Peer IX   10.9.0.1/30
11. JC1005next-hop-selfh!cf 4-5 14+$3&dD 3) Next-Hop-Self#dD! lKAS 14+$3&IB#AS;iBGPFA!jNext-Hop-Self #dD! Rdb5WYNext-Hop-Self#=X C@ IX6T]P#gZ  R - 5c1) f8AS IX(&/3,.2-$*%'#FA"  g:kE#iU!
    5c2)fHGm#? ,0-$*%7L#iU![Q>! - ^AS14)#aOK\! e`<NIGPECMP#9X !C@
    Next-Hop-Self#dD C@ ! - Next-Hop-Self#dDe`<N!JV iBGP Multipath#9X!  ! JANOG Comment 1005 MD_S https://docs.google.com/document/d/1DWVmvOMGXn_F40WWbmxox2FBc0AAsfwcMUD93d2Y-rs/edit#
12. IX (10.0.0.0/16) 2. IX  
     10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 10.0.1.2 192.168.1.2 iBGP Core (OSPF default originator) Access eBGP External
13. IX (10.0.0.0/16) 2-1-1. OSPF
    IX  10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 10.0.1.2 192.168.1.2 BGP RIB 172.16.2.0/24 10.0.2.2 (i) OSPF RIB 10.0.0.0/16 192.168.1.1 10.0.0.0/16 192.168.1.2 FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 192.168.1.1 (OSPF) iBGP Core (OSPF default originator) Access eBGP External
14. IX (10.0.0.0/16) 2-1-2.
    IGP 10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 10.0.1.2 192.168.1.2 BGP RIB 172.16.2.0/24 10.0.2.2 (i) OSPF RIB 10.0.0.0/16 192.168.1.1 10.0.0.0/16 192.168.1.2 FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 192.168.1.1 (OSPF) 10.0.0.0/16 192.168.1.2 (OSPF) iBGP Core (OSPF default originator) Access eBGP External
15. JC1005next-hop-selfh!cf 4-5 14+$3&dD 3) Next-Hop-Self#dD! lKAS 14+$3&IB#AS;iBGPFA!jNext-Hop-Self #dD! Rdb5WYNext-Hop-Self#=X C@ IX6T]P#gZ  R - 5c1) f8AS IX(&/3,.2-$*%'#FA"  g:kE#iU!
    5c2)fHGm#? ,0-$*%7L#iU![Q>! - ^AS14)#aOK\! e`<NIGPECMP#9X !C@
    Next-Hop-Self#dD C@ ! - Next-Hop-Self#dDe`<N!JV iBGP Multipath#9X!  ! JANOG Comment 1005 MD_S https://docs.google.com/document/d/1DWVmvOMGXn_F40WWbmxox2FBc0AAsfwcMUD93d2Y-rs/edit#
16. IX (10.0.0.0/16) 2-1-3.   
    … 10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 10.0.1.2 192.168.1.2 BGP RIB 172.16.2.0/24 10.0.2.2 (i) OSPF RIB 10.0.0.0/16 192.168.1.1 10.0.0.0/16 192.168.1.2 FIB 172.16.2.0/24 10.0.2.2 (iBGP) 10.0.0.0/16 192.168.1.1 (OSPF) 10.0.0.0/16 192.168.1.2 (OSPF) iBGP Core (OSPF default originator) Access eBGP External     
    
     $ %
    
    #" !&
17. IX
      L2  10.0.2.2 10.0.1.1 172.16.2.0/24 10.0.1.2
18. L2  MAC   10.0.2.2 MAC X 10.0.1.1 172.16.2.0/24 10.0.1.2 BGP Keepalive MAC X 
    ARP ReplyMAC X  MAC X MAC X ARP Table 10.0.2.2 X ARP Table 10.0.2.2 X
19. L2 MAC $ 10.0.2.2 MAC X 10.0.1.1 172.16.2.0/24 10.0.1.2 BGP Keepalive MAC X ! $
         ARP# MAC X" MAC X ARP Table 10.0.2.2 X ARP Table 10.0.2.2 X
20. L2  
    10.0.2.2 MAC X 10.0.1.1 172.16.2.0/24 10.0.1.2 Unknown Unicast Flooding MAC X 
21.  
    IX https://www.janog.gr.jp/meeting/janog26/doc/post-ixp-touda.pdf
22. IX (10.0.0.0/16)
     10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 iBGP Core (OSPF default originator) Access eBGP External Transit&Peer IX  iBGP  IX  !   redistribute … "MisOrigin#
23. JC1005next-hop-selfh!cf 4-5 14+$3&dD 3) Next-Hop-Self#dD! lKAS 14+$3&IB#AS;iBGPFA!jNext-Hop-Self #dD! Rdb5WYNext-Hop-Self#=X C@ IX6T]P#gZ  R - 5c1) f8AS IX(&/3,.2-$*%'#FA"  g:kE#iU!
    5c2)fHGm#? ,0-$*%7L#iU![Q>! - ^AS14)#aOK\! e`<NIGPECMP#9X !C@
    Next-Hop-Self#dD C@ ! - Next-Hop-Self#dDe`<N!JV iBGP Multipath#9X!  ! JANOG Comment 1005 MD_S https://docs.google.com/document/d/1DWVmvOMGXn_F40WWbmxox2FBc0AAsfwcMUD93d2Y-rs/edit#
24. IX (10.0.0.0/16) next-hop-selfiBGP Multipath 
    10.0.2.2 10.0.1.1 172.16.2.0/24 192.168.1.1 10.0.1.2 192.168.1.2 iBGP Core (OSPF default originator) Access eBGP External    BGP RIB 172.16.2.0/24 192.168.1.1 (i) 172.16.2.0/24 192.168.1.2 (i) FIB 172.16.2.0/24 192.168.1.1 (i) 172.16.2.0/24 192.168.1.2 (i) iBGP  next-hop-self