Re: length of snmpEngineID

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Hi Magnus Fromreide,

Thanks for clarifying.

Thanks,
Pushpa.T

On Thu, Apr 25, 2024 at 10:17=E2=80=AFAM Magnus Fromreide <[email protected]=
u.se>
wrote:

> On Tue, Apr 23, 2024 at 09:51:08AM +0530, Pushpa Thimmaiah wrote:
> > Hi All,
> >
> > Could you please let me know length of snmpEngineID.  Is it 12 octets o=
r
> 32
> > octets.
> >
> > In RFC 3411 (https://www.ietf.org/rfc/rfc3411.txt) ,
> > mib object 'snmpEngineID' says  12 octets in description and 32 octet i=
n
>
> You have to read the whole text.
>
> An snmpEngineID has a syntax of OCTET STRING (SIZE(5..32))
>
> If the first bit of the snmpEngineID is 0 and it is 12 octets long then i=
t
> might have been generated using the algorithm described in bullet 2 which
> is
> copied from rfc1910.
>
> If the first bit is 1 then it is generated in accordance with one of the
> methods in bullet 3 (or RFC5343) but it is important to notice that bulle=
ts
> 1-3 are just an recommended algorithm, not a mandatory one so you should
> treat snmpEngineID a a variable length string and not attempt to parse it=
.
>
> /MF
>

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<div dir=3D"ltr"><div>Hi Magnus Fromreide,</div><div><br></div><div>Thanks =
for clarifying. <br></div><div><br></div><div>Thanks,</div><div>Pushpa.T<br=
></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail=
_attr">On Thu, Apr 25, 2024 at 10:17=E2=80=AFAM Magnus Fromreide &lt;<a hre=
f=3D"mailto:[email protected]">[email protected]</a>&gt; wrote:<br></=
div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bor=
der-left:1px solid rgb(204,204,204);padding-left:1ex">On Tue, Apr 23, 2024 =
at 09:51:08AM +0530, Pushpa Thimmaiah wrote:<br>
&gt; Hi All,<br>
&gt; <br>
&gt; Could you please let me know length of snmpEngineID.=C2=A0 Is it 12 oc=
tets or 32<br>
&gt; octets.<br>
&gt; <br>
&gt; In RFC 3411 (<a href=3D"https://www.ietf.org/rfc/rfc3411.txt" rel=3D"n=
oreferrer" target=3D"_blank">https://www.ietf.org/rfc/rfc3411.txt</a>) ,<br=
>
&gt; mib object &#39;snmpEngineID&#39; says=C2=A0 12 octets in description =
and 32 octet in<br>
<br>
You have to read the whole text.<br>
<br>
An snmpEngineID has a syntax of OCTET STRING (SIZE(5..32))<br>
<br>
If the first bit of the snmpEngineID is 0 and it is 12 octets long then it<=
br>
might have been generated using the algorithm described in bullet 2 which i=
s<br>
copied from rfc1910.<br>
<br>
If the first bit is 1 then it is generated in accordance with one of the<br=
>
methods in bullet 3 (or RFC5343) but it is important to notice that bullets=
<br>
1-3 are just an recommended algorithm, not a mandatory one so you should<br=
>
treat snmpEngineID a a variable length string and not attempt to parse it.<=
br>
<br>
/MF<br>
</blockquote></div>

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