PostgreSQL Streaming replication on two diff networks

[Pierre Ochsenbein <pierre.ochsenbein@xxxxxxxxxxxx>]

Dear securtiy support,

I want to deploy a PostgreSQL Cluster with streaming replication, but I have a problem..

We have two VMs in two different data-centers with two different network.

It's possible to made a streaming replication with two different network?

My output :

vm01:10.1.24.13

vm02:10.0.2.67

On my slave (vm02) :

I can't make a pg_basebackup..

pg_basebackup: could not connect to server: could not connect to server: No route to host
    Is the server running on host "10.1.24.13" and accepting
    TCP/IP connections on port 5432?
pg_basebackup: removing data directory "/var/lib/pgsql/10/data"

[root@vm02 ~]# tcptraceroute 10.1.24.13 5432
traceroute to 10.1.24.13 (10.1.24.13), 30 hops max, 60 byte packets
 1  gateway (192.168.1.1)  0.375 ms  0.304 ms  0.282 ms
 2  169.254.95.213 (169.254.95.213)  0.261 ms  0.241 ms  0.198 ms
 3  10.0.2.1 (10.0.2.1)  1.761 ms  2.725 ms  3.449 ms
 4  172.16.9.41 (172.16.9.41)  1.141 ms 172.16.9.33 (172.16.9.33)  1.190 ms 172.16.9.41 (172.16.9.41)  1.642 ms
 5  172.16.9.50 (172.16.9.50)  0.388 ms 172.16.9.54 (172.16.9.54)  0.367 ms 172.16.9.62 (172.16.9.62)  0.430 ms
 6  10.1.23.4 (10.1.23.4)  0.227 ms  0.388 ms  0.345 ms
 7  10.1.23.4 (10.1.23.4)  0.298 ms !X  0.384 ms !X  0.326 ms !X

pg_hba.conf file on my master :

# replication privilege.
local   replication     all                                     peer
host    replication     all             127.0.0.1/32            ident
host    replication     all             ::1/128                 ident
host    replication     replicate       10.0.2.67/32      scram-sha-256

Thank you so much for your help

Best regards,

Pierre

Acceleris AG | cloudifying IT
Pierre Ochsenbein | Technical Consultant
Schosshaldenstrasse 85 | CH-3006 Bern
T : +41 31 911 33 22 | F : +41 31 911 62 63
pierre.ochsenbein@xxxxxxxxxxxx | www.acceleris.ch  

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