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Re: [PATCH][NETNS] Make ifindex generation per-namespace [message #21484 is a reply to message #21477] Tue, 09 October 2007 20:11 Go to previous messageGo to previous message
davem is currently offline  davem
Messages: 463
Registered: February 2006
Senior Member
From: ebiederm@xmission.com (Eric W. Biederman)
Date: Tue, 09 Oct 2007 11:43:58 -0600

> David Stevens <dlstevens@us.ibm.com> writes:
> 
> > Sorry if this is a dumb question, but what is the model you intend for
> > SNMP? Do you want each namespace to be its own virtual machine with
> > its own, separate MIB?
> 
> Each network namespace appears to user space as a completely separate
> network stack.  So yes a separate instance of the MIB is appropriate.

We don't think you can validly do that, as David tried to explain.

The interface indexes are visible remotely to remote SNMP querying
applications.  They have to be unique within the physical system.
 
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