[c-nsp] BGP SNMP Question, strangeness

[John Brown]

Hmm, quite interesting.   2001:1818/32 is our v6 block...



On Thu, Feb 26, 2015 at 8:50 AM, Phil Mayers <p.mayers at imperial.ac.uk> wrote:
> On 26/02/15 13:52, John Brown wrote:
>>
>> Hi.
>>
>> I'm showing what appears to be bgp neighbors, yet those neighbor IP's
>> are not configured on our 6500 at the exchange.   This is causing our
>> monitoring system (Observium) to report "phantom" neighbors
>>
>> here is a brief dump from snmp.
>>
>> SNMPv2-SMI::mib-2.15.3.1.1.32.1.4.24 = IpAddress: 129.250.0.71
>> SNMPv2-SMI::mib-2.15.3.1.1.32.1.5.4 = IpAddress: 203.117.34.253
>> SNMPv2-SMI::mib-2.15.3.1.1.32.1.24.24 = IpAddress: 0.0.0.0
>>
>> the 32.1.4.24, 32.1.5.4 and 32.1.24.24 do NOT exist in our system.
>
>
> This maybe looks like brokenness with IPv6 addresses treated as IPv4:
>
> 32 = 0x20
> 1  = 0x01
> 24 = 0x18
>
> 2001:1818:
>
> ?
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