[lvs-users] Masq Not Masqing!

Daniel Goscomb dan at flowplex.co.uk
Wed Oct 1 08:49:25 BST 2014

Hi All

I have just set up an LVS node, the config all looks sane however packets
reaching the real servers have not been rewritten.

[root at lb0 ~]# ipvsadm -L -n
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
  -> RemoteAddress:Port           Forward Weight ActiveConn InActConn
UDP rr
  ->             Masq    1      0          0
  ->             Masq    1      0          1

packets arriving on a real server are not re-written:

[root at graylog0 ~]# tshark port 514
Running as user "root" and group "root". This could be dangerous.
Capturing on eth0
  0.000000 -> Syslog 106 CRON.INFO
<http://cron.info/>: Sep 30 22:01:01 cron[96298]: %CRON-6: (root) CMD

has anyone seen this before? any pointers at all?



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