[GTER] Rotas no backbone da Oi

[SANDRO L OLIVEIRA]

Observei que há uma diferença significativa entre as rotas da rede tche.br.

Acho que o problema de anúncio de rotas com a interface do as2716.

Todo a rede tche está assim!

Rota para UFRGS normal via IPv6
#####################
My traceroute  [v0.92]
sentinela (2804:d51:ed9:8b00:b034:50cf:6c8a:38a8)
 2021-07-20T16:53:28-0300
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                                         Packets
    Pings
 Host                                              Loss%   Snt   Last   Avg
 Best  Wrst StDev
 1. ???                                               0.0%    57    2.9
4.0   2.3  17.4   2.5
 2. 2804:d50:1:4000:1
 3. 2804:d50:80:6000::2                   91.1%    57   33.6  31.3  29.2
 33.6   1.9
 4. as2716.portoalegre.rs.ix.br          0.0%    57   31.3  34.2  28.9
108.8  12.4
 5. 2804::e006                                    0.0%    57   29.6  34.8
 29.0 111.6  14.5
 6. mlxe-8-eth1-8-eth1-10.metropoa.t  0.0%    57   29.7  32.9  29.2  42.9
3.1
 7. ufrgs-ve-41-mlxe8.tche.br              0.0%    57   30.6  32.0  29.3
 39.5   2.0
 8. lsf-in.ufrgs.br                                0.0%    57   32.0  31.7
 28.7  51.9   3.4
 9. lfs-in.ufrgs.br                                 0.0%    57   33.0  33.0
 30.4  42.1   2.1
10. 2804:1f20:1:516::1                      0.0%    56   33.0  33.2  30.8
 62.5   4.4
11. www.ufrgs.br                                0.0%    56   33.1  31.3
 29.3  35.3   1.4
###################

Rota para UFRGS via IPv4
########################
My traceroute  [v0.92]
sentinela (192.168.1.27)
2021-07-20T16:58:54-0300
Keys:  Help   Display mode   Restart statistics   Order of fields   quit
                                               Packets               Pings
 Host                                        Loss%   Snt   Last   Avg  Best
 Wrst StDev
 1. ???                                       2.0%    49    2.6   3.1   2.2
  6.3   1.0
 2. ???
 3. 100.120.81.42                             0.0%    48   25.7  23.4  20.6
 32.9   2.8
 4. 100.120.17.243                            0.0%    48   30.5  32.0  28.2
 44.2   3.6
 5. 100.120.23.184                            0.0%    48   39.5  39.8  37.6
 64.6   3.9
 6. 100.120.24.215                            0.0%    48   46.3  46.2  44.1
 53.4   1.9
 7. 100.120.20.252                            0.0%    48   73.3  58.0  50.7
 80.3   8.8
 8. as1916.saopaulo.sp.ix.br                  0.0%    48   47.0  51.8  45.6
114.4  12.4
 9. ???
10. pr-sp2-oi.bkb.rnp.br                      2.1%    48   46.1  47.5  44.0
 72.7   4.5
11. 200.143.253.156                           0.0%    48  109.6  55.3  46.2
109.6  16.1
12. crs1-cpr1-eltsul.bkb.rnp.br               0.0%    48  110.5  55.3  46.3
110.5  14.9
13. 170.79.214.37                             0.0%    48   47.3  50.7  45.4
 87.7   8.8
14. 200.238.62.0                              0.0%    48   49.9  56.0  45.8
161.3  20.3
15. mlxe-8-eth1-7-eth1-9.metropoa.tche.br     0.0%    48   47.2  49.1  46.6
 57.4   2.5
16. ufrgs-ve-40-mlxe8.tche.br                 0.0%    48   49.1  47.9  46.1
 58.0   1.8
17. 143.54.0.249                              0.0%    48   48.2  49.4  47.4
 61.1   2.1
    lfs-in.ufrgs.br
18. lfs-in.ufrgs.br                           0.0%    48   48.3  49.0  47.4
 53.1   1.3
19. 143.54.0.206                              2.1%    48   52.9  49.0  46.2
 76.3   4.5
20. www.ufrgs.br                              0.0%    48   46.7  47.9  45.6
 73.8   3.9
########################

Abraço
Sandro