It's useful for /dev/null'ing traffic on occasion, and testing purposes.
But it's strange in a production environment... Maybe some sort of HA
thing?
On Thu, Sep 06, 2012 at 05:08:42PM -0400, Diego Zamboni wrote:
>Aliaksei,
>
>Honestly, I had never heard of a loopback interface being assigned a routable
>IP address. I guess this is why CFEngine ignores it when collecting
>information about the system. This seems to be hardcoded behavior, don't know
>how easy it would be to change.
>
>--Diego
>
>
>On Sep 3, 2012, at 9:58 AM, Aliaksei Sheshka <sheshka...@gmail.com> wrote:
>
>> Hi list!
>>
>> I'm trying to setup cfengine on my network and faced unexpected behavior.
>> Most of my linux nodes have routable IPs defined under lo interface,
>> like 192.168.1.5/32 192.168.78.25/32 and so on,
>> but looks like cfengine doesn't define class with the IPs of the
>> loopback interface. Is it intended behaviour, if so, why ?
>> Then running /var/cfengine/bin/cf-promises -v I'm getting:
>> Defined classes = { 64_bit 8_cpus Afternoon Day3 GMT_Hr14 Hr14 Hr14_Q3
>> Lcycle_2 Min35 Min35_40 Monday PK_MD5_c7d182a7a3561105b17ce0b7d207c59c
>> Q3 September Yr2012 any as6453_net cfengine cfengine01
>> cfengine01_as6453_net cfengine_3 cfengine_3_3 cfengine_3_3_5 common
>> community_edition compiled_on_linux_gnu debian debian_6 debian_6_0
>> have_aptitude linux linux_2_6_32_5_vserver_amd64 linux_x86_64
>> linux_x86_64_2_6_32_5_vserver_amd64
>> linux_x86_64_2_6_32_5_vserver_amd64__1_SMP_Sun_May_6_06_53_58_UTC_2012
>> net verbose_mode x86_64 }
>> That can be done about that ? Assigning routable IPs to loopback is a
>> relatively common thing in the a) multihomed environments b)
>> containerized environments (linux-vserver, FreeBSD jails).
>> _______________________________________________
>> Help-cfengine mailing list
>> Help-cfengine@cfengine.org
>> https://cfengine.org/mailman/listinfo/help-cfengine
>
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--
Jesse Becker
NHGRI Linux support (Digicon Contractor)
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