=== Connectivity Matrix ===
+-----------+-----+--------+--------+--------+--------+----+-------+
| src \ dst | ISP | Level3 | Relay1 | Relay2 | Relay3 | TM | Tier1 |
+-----------+-----+--------+--------+--------+--------+----+-------+
|    ISP    |  -- |   OK   |   OK   |   OK   |   OK   | OK |   OK  |
|   Level3  |  OK |   --   |   OK   |   OK   |   OK   | OK |   OK  |
|   Relay1  |  OK |   OK   |   --   |   OK   |   OK   | OK |   OK  |
|   Relay2  |  OK |   OK   |   OK   |   --   |   OK   | OK |   OK  |
|   Relay3  |  OK |   OK   |   OK   |   OK   |   --   | OK |   OK  |
|     TM    |  OK |   OK   |   OK   |   OK   |   OK   | -- |   OK  |
|   Tier1   |  OK |   OK   |   OK   |   OK   |   OK   | OK |   --  |
+-----------+-----+--------+--------+--------+--------+----+-------+

=== Routing Tables ===

--- ISP ---
default via 10.0.15.1 dev ISP-eth0 
10.0.15.0/30 dev ISP-eth0 proto kernel scope link src 10.0.15.2 
10.0.16.0/30 dev ISP-eth1 proto kernel scope link src 10.0.16.2 
80.81.0.1 via 10.0.15.1 dev ISP-eth0 
91.200.0.1 via 10.0.15.1 dev ISP-eth0 
175.136.0.1 via 10.0.16.1 dev ISP-eth1 
193.110.0.1 via 10.0.15.1 dev ISP-eth0
--- Level3 ---
10.0.10.0/30 dev Level3-eth0 proto kernel scope link src 10.0.10.2 
10.0.12.0/30 dev Level3-eth1 proto kernel scope link src 10.0.12.1 
80.81.0.1 via 10.0.10.1 dev Level3-eth0 
91.200.0.1 via 10.0.10.1 dev Level3-eth0 
117.20.0.1 via 10.0.10.1 dev Level3-eth0 
154.54.0.1 via 10.0.10.1 dev Level3-eth0 
175.136.0.1 via 10.0.12.2 dev Level3-eth1 
193.110.0.1 via 10.0.10.1 dev Level3-eth0
--- Relay1 ---
default via 10.0.11.1 dev Relay1-eth0 
10.0.11.0/30 dev Relay1-eth0 proto kernel scope link src 10.0.11.2 
10.0.13.0/30 dev Relay1-eth1 proto kernel scope link src 10.0.13.1 
91.200.0.1 via 10.0.13.2 dev Relay1-eth1 
117.20.0.1 via 10.0.13.2 dev Relay1-eth1 
193.110.0.1 via 10.0.13.2 dev Relay1-eth1
--- Relay2 ---
default via 10.0.13.1 dev Relay2-eth0 
10.0.13.0/30 dev Relay2-eth0 proto kernel scope link src 10.0.13.2 
10.0.14.0/30 dev Relay2-eth1 proto kernel scope link src 10.0.14.1 
80.81.0.1 via 10.0.13.1 dev Relay2-eth0 
91.200.0.1 via 10.0.14.2 dev Relay2-eth1 
117.20.0.1 via 10.0.14.2 dev Relay2-eth1
--- Relay3 ---
default via 10.0.14.1 dev Relay3-eth0 
10.0.14.0/30 dev Relay3-eth0 proto kernel scope link src 10.0.14.2 
10.0.15.0/30 dev Relay3-eth1 proto kernel scope link src 10.0.15.1 
80.81.0.1 via 10.0.14.1 dev Relay3-eth0 
117.20.0.1 via 10.0.15.2 dev Relay3-eth1 
193.110.0.1 via 10.0.14.1 dev Relay3-eth0
--- TM ---
4.68.0.1 via 10.0.12.1 dev TM-eth0 
10.0.12.0/30 dev TM-eth0 proto kernel scope link src 10.0.12.2 
10.0.16.0/30 dev TM-eth1 proto kernel scope link src 10.0.16.1 
80.81.0.1 via 10.0.16.2 dev TM-eth1 
91.200.0.1 via 10.0.16.2 dev TM-eth1 
117.20.0.1 via 10.0.16.2 dev TM-eth1 
154.54.0.1 via 10.0.12.1 dev TM-eth0 
193.110.0.1 via 10.0.16.2 dev TM-eth1
--- Tier1 ---
4.68.0.1 via 10.0.10.2 dev Tier1-eth0 
10.0.10.0/30 dev Tier1-eth0 proto kernel scope link src 10.0.10.1 
10.0.11.0/30 dev Tier1-eth1 proto kernel scope link src 10.0.11.1 
80.81.0.1 via 10.0.11.2 dev Tier1-eth1 
91.200.0.1 via 10.0.11.2 dev Tier1-eth1 
117.20.0.1 via 10.0.11.2 dev Tier1-eth1 
175.136.0.1 via 10.0.10.2 dev Tier1-eth0 
193.110.0.1 via 10.0.11.2 dev Tier1-eth1