Buon pomeriggio,
è possibile che sia in atto della saturazione fra i due tier one?
Allego un mtr e un grafico di Zabbix:

HOST: zabbix Loss% Snt Last Avg Best Wrst StDev
1.|-- IP Oracle 0.0% 10 0.3 0.4 0.3 0.6 0.1
2.|-- oracle-ic-375579.ip.twelv 0.0% 10 1.0 11.5 0.6 48.5 16.1
3.|-- zch-b1-link.ip.twelve99.n 10.0% 10 1.4 1.1 0.8 1.4 0.2
4.|-- ffm-bb2-link.ip.twelve99. 0.0% 10 6.2 6.1 6.0 6.3 0.1
5.|-- ffm-b5-link.ip.twelve99.n 10.0% 10 7.2 7.1 6.3 10.5 1.3
6.|-- telecomitalia-ic-318723.i 0.0% 10 12.1 17.6 6.2 33.7 10.5
7.|-- 195.22.196.136 20.0% 10 411.6 501.5 411.6 519.3 36.6
8.|-- 195.22.196.171 0.0% 10 203.8 222.1 171.0 260.5 24.4
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
12.|-- IP TIM 1 0.0% 10 305.4 504.3 305.4 528.3 69.9
HOST: zabbix Loss% Snt Last Avg Best Wrst StDev
1.|-- IP Oracle 0.0% 10 0.3 0.3 0.2 0.5 0.1
2.|-- oracle-ic-375579.ip.twelv 0.0% 10 34.3 8.5 0.6 41.3 15.6
3.|-- zch-b1-link.ip.twelve99.n 0.0% 10 1.2 1.0 0.9 1.2 0.1
4.|-- ffm-bb2-link.ip.twelve99. 0.0% 10 6.1 6.8 6.0 12.2 1.9
5.|-- ffm-b5-link.ip.twelve99.n 0.0% 10 6.3 18.6 6.2 128.1 38.5
6.|-- telecomitalia-ic-318723.i 0.0% 10 7.1 8.9 6.3 16.4 3.8
7.|-- 195.22.205.99 20.0% 10 518.7 494.8 329.1 520.2 67.0
8.|-- 195.22.205.99 0.0% 10 520.0 530.7 332.5 828.5 119.8
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
12.|-- IP TIM 2 0.0% 10 18.3 18.4 18.1 18.5 0.1
L'inverso, ovvero da TIM 1 a Oracle
HOST: io.lan Loss% Snt Last Avg Best Wrst StDev
1.|-- _gateway 0.0% 10 0.4 0.3 0.3 0.4 0.0
2.|-- gw.io.lan 0.0% 10 0.7 0.7 0.6 0.8 0.1
3.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
4.|-- 172.17.89.180 0.0% 10 4.0 3.9 3.7 4.4 0.2
5.|-- 172.17.89.66 0.0% 10 4.0 4.2 4.0 4.9 0.3
6.|-- 172.19.177.18 0.0% 10 10.9 10.9 10.5 11.4 0.3
7.|-- 195.22.196.170 0.0% 10 10.5 10.6 10.2 10.9 0.2
8.|-- 195.22.212.149 0.0% 10 10.5 10.3 10.0 10.7 0.2
9.|-- 195.22.212.223 20.0% 10 529.6 531.6 518.8 544.5 8.5
10.|-- ae1.16.ear1.Zurich3.level 80.0% 10 520.9 520.6 520.2 520.9 0.4
11.|-- 140.91.210.35 0.0% 10 538.4 510.8 310.9 538.4 70.7
12.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
Edit: @MiloZ ti risulta qualcosa?
Poi, anche verso un altro IP TIM ho valori simili:
HOST: zabbix Loss% Snt Last Avg Best Wrst StDev
1.|-- 0.0% 10 0.3 0.4 0.2 0.7 0.2
2.|-- oracle-ic-375579.ip.twelv 0.0% 10 0.8 1.0 0.5 3.9 1.0
3.|-- zch-b1-link.ip.twelve99.n 0.0% 10 1.0 0.9 0.8 1.3 0.1
4.|-- ffm-bb2-link.ip.twelve99. 0.0% 10 6.1 6.2 6.1 6.4 0.1
5.|-- ffm-b5-link.ip.twelve99.n 0.0% 10 6.5 7.0 6.3 12.3 1.9
6.|-- telecomitalia-ic-318723.i 0.0% 10 20.5 11.3 6.3 24.9 6.4
7.|-- 195.22.192.145 0.0% 10 456.5 438.3 307.3 519.6 81.3
8.|-- 195.22.192.145 0.0% 10 423.7 439.7 305.1 516.5 84.8
9.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
10.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
11.|-- ??? 100.0 10 0.0 0.0 0.0 0.0 0.0
12.|-- host-xx-xx-xx-xx.retail.t 0.0% 10 526.6 515.4 448.1 526.7 24.8