RE: Get BITS value

But I thought an instance with bits v0, v3 and v10 set would be:

      00000100 00000101
           ^        ^ ^
  bit      10       3 0

So it's 0x04 and 0x05 (not 0x90 & 0x20). That's why I did the "funny"
conversion based on RFC 3417 section 8.

Also should I send out 0x9020 or 0x2090? Does big/small endian-ness (and
network order) play a role here?

Thanks,
Yong Chen


I explained that:

> An instance with bits v0, v3 and v10 set will have the value:
> 
>     10010000 00100000
      ^  ^       ^
  bit 0  3      10

> so will consist of the two octets  0x90 & 0x20

0x9020 is the hex equivalent of this bit string. 

-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Dave
Shield
Sent: Friday, October 28, 2005 1:11 AM
To: Yong Chen (yongche)
Cc: [email protected]
Subject: RE: Get BITS value

On Thu, 2005-10-27 at 13:35 -0700, Yong Chen (yongche) wrote:
>  Then how should I get the response OCTET STRING?

Sorry - I don't understand the question.
You'd retrieve a BITS-syntax value in just the same way as any other MIB
value - by issuing a "snmpget" or similar request.

A MIB module implementation would return a BITS-syntax value in exactly
the same way as it would for an OCTET STRING value.

If that's not what you meant, then you'll need to be a bit more
explicit.


> How did you get 0x90 & 0x20 ? 


I explained that:

> An instance with bits v0, v3 and v10 set will have the value:
> 
>     10010000 00100000
      ^  ^       ^
  bit 0  3      10

> so will consist of the two octets  0x90 & 0x20

0x9020 is the hex equivalent of this bit string.



> Also you are saying the net-snmp stack doesn't reverse the order so I 
> (the mib implementator) need to do it?

No - I'm saying that it's not an integer value, so reversing the order
simply isn't relevant!


Dave






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