[Click] network load-balancer troubleshooting

[Sunjeet Singh]

Yes, I could try this. But this wouldn't explain why some packets are 
getting relayed and others aren't. Anyway, I'll try this a bit later 
today and update.

Thanks,
Sunjeet


On 10-12-08 11:19 AM, Roman Chertov wrote:
> On Tue, 07 Dec 2010 19:23:34 -0800 Sunjeet Singh<sstattla at gmail.com>  wrote
>
>> Great! That worked.
>>
>> Now, I stumbled upon another problem- although I am forwarding all
>> packets to this other MAC address, only some of them are reaching there
>> (I am observing using tcpdump). I wonder why this might be. Initially, I
>> was firing packets at full speed using tcpreplay so I thought that this
>> software load balancer might be getting overwhelmed, but even after
>> decreasing speed to 10 packets per second I observed the same behavior.
>> Please advise on how to diagnose.
> You can try to make sure that the Ethernet header has the MAC srd/dst for the
> link you are using.  If you send a packet from eth0, to your other processing
> node, make sure that the frame has the src addr of eth0, and the dst addr of the
> destination node.
>
> Roman
>
>
>
>> As you can see, I really don't know much about Click. I am using this
>> load balancer as a part of a bigger project described at
>> http://mailman.icsi.berkeley.edu/pipermail/bro/2010-December/004715.html
>> and am really hoping to speed through this part. So far, I am very
>> impressed with the support I have received here.
>>
>> Thank you,
>> Sunjeet Singh
>>
>>
>> On 10-12-07 7:03 PM, Roman Chertov wrote:
>>> On 12/07/2010 06:11 PM, Sunjeet Singh wrote:
>>>> FromDevice(eth4, PROMISC true) ->  Print ->
>>>> StoreEtherAddress(is:an:on:ym:iz:ed, OFFSET dst) ->  ToDevice(eth0, BURST
>>>> 8);
>>> You need a Queue in there.
>>>
>>> FromDevice(eth4, PROMISC true) ->
>>>   Print ->
>>>   StoreEtherAddress(is:an:on:ym:iz:ed, OFFSET dst) ->
>>>   Queue ->
>>>   ToDevice(eth0, BURST 8);
>>>
>>>
>>>> - Should accept packet from eth4, print on terminal, modify MAC address
>>>> of destination, send out through eth0?
>>>> - Gives me:
>>>> â push output 0 connected to â pull input 0
>>>> Router could not be initialized!
>>>> Where am I wrong?
>>>>
>>>> Thanks,
>>>> Sunjeet
>