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[202205]Use device loopback IP address to send SNMP query from neighboring ceos or vsonic (#8802) #8972

Merged
merged 2 commits into from
Jul 14, 2023
Merged

[202205]Use device loopback IP address to send SNMP query from neighboring ceos or vsonic (#8802) #8972

merged 2 commits into from
Jul 14, 2023

Commits on Jul 13, 2023

  1. Use device loopback IP address to send SNMP query from neighboring ce… 

    …os or vsonic (sonic-net#8802)

What is the motivation for this PR?
sonic-net/sonic-buildimage#15487 modifies snmpd in SONiC to listen on management and loopback ip by default instead of listening on any IP.
test_interop_protocol.py::test_snmp sends a query to the neighbor device using the link ip address.
After the above change to listen on management and loopback ip, the snmp query will fail.
Hence, modifying the test to send SNMP query to SONiC DUT from neighboring vsonic/eos using Loopback IP of SONiC DUT.

How did you do it?
Get loopback IPv4 address DUT and use that to query from neighbor device.
Added a generic helped function to send SNMP query to DUT from a neighbor.

(cherry picked from commit d66965a)
    @SuvarnaMeenakshi
    SuvarnaMeenakshi committed Jul 13, 2023
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  2. Missing import 

    Signed-off-by: Suvarna Meenakshi <[email protected]>
    @SuvarnaMeenakshi
    SuvarnaMeenakshi committed Jul 13, 2023
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