On 4/11/16 13:11 , Kilian Ries wrote:
> 
> Am 11.04.16, 17:57 schrieb "Robert Mustacchi" <[email protected]>:
>>
>>> ###
>>> $snoop -d bge0 |grep ICMP
>>> Using device bge0 (promiscuous mode)
>>> hostname -> 192.168.234.1 ICMP Echo request (ID: 6337 Sequence number: 0)
>>> 192.168.234.1 -> hostname ICMP Echo reply (ID: 6337 Sequence number: 0)
>>> ###
>>>
>>>
>>> So the problem only occurs on some IPs, not on all:
>>>
>>> ping 192.168.234.1 (gateway) works
>>> ping 192.168.235.16 (other smartos host) works
>>> ping 192.168.234.20 (other smartos host) doesn't work
>>
>> Okay, this helps. I have a working theory for what might be happening. I
>> should have asked for this initially, but with the snoop of bge0 could
>> you actually run snoop -d bge0 -o /path/to/some/file icmp and then after
>> you do a few pings in the going out the bge0 case and coming in the bge1
>> case, could you ctrl+c and make that snoop file available please?
>>
>> Thanks,
>> Robert
>>
> 
> Ok, i have done the snoop recording and uploaded two files for you. While i 
> was testing i discovered another interesting detail:
> 
> When i start a VM the problem is gone! Because this was a new host (not in 
> production yet) i didn’t have setup any VM until now. If i start a KVM (on 
> another VLAN than the host, tried it with two different VLANs) the ping 
> works. If the KVM is stopped, ping doesn’t work as described in my last mail 
> (only some hosts do ping).
> 
> As i wrote i uploaded two files, one while a KVM was running and one while 
> all KVMs were stopped:
> 
> https://dl.dropboxusercontent.com/u/50825798/snoop_bge0_works
> 
> https://dl.dropboxusercontent.com/u/50825798/snoop_bge0_broken
> 
> 
> In both scenarios i did the same sequence:
> 
> $ping 192.168.234.1
> 
> $ping 192.168.234.20
> 
> $ping 192.168.234.20
> 
> $ping 192.168.235.16

Thanks, I'll go through this in the coming week. I suspect there are
some issues with how we're programming the MAC addresses. I bet we've
exceeded the count of those when we do that programming.

I'll have some follow up questions soon I hope.

Robert


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