RE: How to differentiate snmpwalk & snmpgetnext request ??

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=20
As=20far=20as=20I=20know,=20we=20can=20not=20disti nguish=20whether=20the=20=
snmpgetnext=20request
received=20is=20from=20snmpwalk=20executable=20or= 20snmpgetnext=20itself.
Regarding=20the=20example=20you=20mentioned,=20why =20do=20you=20want=20to=20=
gather=20all=20the
instances=20of=20the=20table=20in=20the=201st=20ge tnext=20itself=20when=20=
snmpwalk=20is
given.?=20
Ideally=20the=20agent/application=20owning=20the=20table=20should=20give =20=
the=20current
OID=20objects/instances=20available.=20So,=20when=20the=20agent/applicatio=
n=20receives
the=20getnext=20request,=20irrespective=20of=20whe ther=20it=20is=20part=20=
of=20snmpwalk,=20the
application=20should=20return=20the=20next=20OID=2 0instance=20that=20is=20=
currently
exists.
=20
=20
Regards,
Suresh.
=20
=20
=20
=20
=20
=20
=20

-----Original=20Message-----
From:=20valantina=20arumugam=20[mailto:vals_85@yahoo.co.in]=20
Sent:=20Thursday,=20May=2008,=202008=2012:27=20PM
To:=20Pamidipati=20Suresh-G20238;=20net-snmp-users@lists.sourceforge.net
Subject:=20RE:=20How=20to=20differentiate=20snmpwa lk=20&=20snmpgetnext=20r=
equest=20??


Thanks.

I=20do=20know=20the=20way=20how=20snmpwalk=20works .

Let=20me=20explain=20my=20requir.=20in=20detail.

=20=20=20=20=20=20For=20snmpgetnext=20request=20i= 20have=20to=20do=20some=20=
operation=20for=20xx=20OID.
=20=20=20=20=20=20For=20snmpwalk=20request=20,=20i =20have=20to=20do=20the=20=
same=20operation=20plus=20some
other=20
functionality=20for=20xx=20OID.

Eg=20:=20
=20=20=20=20=20=20=20snmpwalk=20of=20xx=20table=20 :
=20=20=20=20=20=20=20=20we=20gather=20all=20the=20 instance=20of=20xx=20tab=
le=20data=20for=20the=201st=20getnext
req.=20itself.
=20=20=20=20=20=20=20=20while=20walk=20is=20going= 20on=20,=20there=20is=20=
a=20chance=20an=20instance=20may=20get
deleted/added=20thro'=20other=20appln(=20other=20than=20sn mp)=20.which=20w=
ill=20result=20in
displaying=20of=20ambiguous=20data.
=20=20=20=20=20=20=20
=20=20=20=20=20=20In=20this=20case=20how=20to=20di ff.=20walk=20&=20getnext=
..


Thanks
valantina

Pamidipati=20Suresh-G20238=20<venkatasuresh.pamidipati@emerson.com>=20 wrot=
e:=20

Hi=20Valantina,
=20
Snmpwalk=20is=20nothing=20but=20a=20series=20of=20 snmpgetnext=20requests.
For=20the=20given=20OID,=20snmpwalk=20first=20send s=20an=20snmpgetnext=20r=
equest.=20After
receiving=20the=20response=20for=20the=20getnext,= 20it=20retrieves=20the=20=
OID=20from=20the
response=20and=20then=20sends=20snmpgetnext=20requ est=20on=20this=20OID.=20=
This=20way
snmpgetnext=20requests=20are=20sent=20until=20all= 20OIDs/variables=20in=20=
the=20subtree
(and=20their=20values)=20below=20the=20given=20OID =20are=20retrieved.
=20
Please=20see=20the=20man=20page=20of=20snmpwalk.
=20
Regards,
Suresh.
=20

-----Original=20Message-----
From:=20net-snmp-users-bounces@lists.sourceforge.net
[mailto:net-snmp-users-bounces@lists.sourceforge.net]=20On=20Behalf=20Of
valantina=20arumugam
Sent:=20Thursday,=20May=2008,=202008=2011:06=20AM
To:=20net-snmp-users@lists.sourceforge.net
Subject:=20How=20to=20differentiate=20snmpwalk=20& =20snmpgetnext=20request=
=20??


Hi=20all,
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
=20=20=20=20=20=20=20=20=20Is=20there=20a=20way=20 to=20differentiate=20the=
=20request=20from=20snmpwalk=20&
snmpgetnext=20?

=20=20=20=20=20=20=20=20Like=20a=20flag=20in=20req uest=20structure=20which=
=20diff.=20walk=20&=20getnext..

=20=20=20=20=20=20=20=20I=20have=20surfed=20the=20 net-snmp=20,=20but=20i=20=
couldn't=20find=20out=20a=20way.


Thanks
Valantina

=20=20_____=20=20

Did=20you=20know?=20You=20can=20CHAT=20without=20d ownloading=20messenger.=20=
Click
<http://in.rd.yahoo.com/tagline_webme...messenger.yaho
o.com/webmessengerpromo.php>=20here


__________________________________________________ ____________________
This=20email=20has=20been=20scanned=20by=20the=20M essageLabs=20Email=20Sec=
urity=20System.
For=20more=20information=20please=20visit=20http://www.messagelabs.com/ema=
il=20
__________________________________________________ ____________________





=20=20_____=20=20

From=20Chandigarh=20to=20Chennai=20-=20find=20friends=20all=20over=20India=
..=20Click
<http://in.rd.yahoo.com/tagline_group...s.yahoo.com/gr
oups/citygroups/>=20here.


__________________________________________________ ____________________
This=20email=20has=20been=20scanned=20by=20the=20M essageLabs=20Email=20Sec=
urity=20System.
For=20more=20information=20please=20visit=20http://www.messagelabs.com/ema=
il=20
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<HTML><HEAD>
<META=20HTTP-EQUIV=3D"Content-Type"=20CONTENT=3D"text/html;=20charset=3Dus=
-ascii">
<TITLE>Message</TITLE>

<META=20content=3D"MSHTML=206.00.2900.3314"=20name =3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20size=3D2>As=20far=20
as=20I=20know,=20we=20can=20not=20distinguish=20wh ether=20the=20snmpgetnex=
t=20request=20received=20is=20
from=20snmpwalk=20executable=20or=20snmpgetnext=20 itself.</FONT></SPAN></D=
IV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2>Regarding=20the=20example=20you=20mention ed,=20why=20do=20you=20w=
ant=20to=20gather=20all=20the=20
instances=20of=20the=20table=20in=20the=201st=20ge tnext=20itself=20when=20=
snmpwalk=20is=20given.?=20
</FONT></SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2>Ideally=20the=20agent/application=20owning=20the=20table=20should=
=20give=20the=20current=20
OID=20objects/instances=20available.=20So,=20when=20the=20agent/applicatio=
n=20receives=20the=20
getnext=20request,=20irrespective=20of=20whether=2 0it=20is=20part=20of=20s=
nmpwalk,=20the=20application=20
should=20return=20the=20next=20OID=20instance=20th at=20is=20
currently&nbsp;exists.</FONT></SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2>&nbsp;</FONT></SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2>Regards,</FONT></SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2>Suresh.</FONT></SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008>&nbsp;</SPAN></DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN=20class=3D089402107-08052008><FONT=20face=3DArial=20color=3D#00=
00ff=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<BLOCKQUOTE=20style=3D"MARGIN-RIGHT:=200px">
=20=20<DIV></DIV>
=20=20<DIV=20class=3DOutlookMessageHeader=20lang=3 Den-us=20dir=3Dltr=20ali=
gn=3Dleft><FONT=20
=20=20face=3DTahoma=20size=3D2>-----Original=20Message-----<BR><B>From:</B=
>=20valantina=20
=20=20arumugam=20[mailto:vals_85@yahoo.co.in]=20<BR><B>Sent:</B>=20Thursda=
y,=20May=2008,=202008=20
=20=2012:27=20PM<BR><B>To:</B>=20Pamidipati=20Suresh-G20238;=20
=20=20net-snmp-users@lists.sourceforge.net<BR><B>Subject:</B>=20RE:=20How=20=
to=20
=20=20differentiate=20snmpwalk=20&amp;=20snmpgetne xt=20request=20
=20=20??<BR><BR></FONT></DIV>Thanks.<BR><BR>I=20do=20know=20the=20way=20ho=
w=20snmpwalk=20
=20=20works.<BR><BR>Let=20me=20explain=20my=20requ ir.=20in=20detail.<BR><B=
R>&nbsp;&nbsp;&nbsp;=20
=20=20&nbsp;=20For=20snmpgetnext=20request=20i=20h ave=20to=20do=20some=20o=
peration=20for=20xx=20
=20=20OID.<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20For =20snmpwalk=20request=20=
,=20i=20have=20to=20do=20the=20
=20=20same=20operation=20plus=20some=20other=20<BR >functionality=20for=20x=
x=20OID.<BR><BR>Eg=20:=20
=20=20<BR>&nbsp;&nbsp;&nbsp;=20&nbsp;&nbsp;=20snmp walk=20of=20xx=20table=20=

=20=20:<BR>&nbsp;&nbsp;&nbsp;&nbsp;=20&nbsp;&nbsp; =20we=20gather=20all=20t=
he=20instance=20of=20xx=20
=20=20table=20data=20for=20the=201st=20getnext=20r eq.=20itself.<BR>&nbsp;&=
nbsp;&nbsp;=20
=20=20&nbsp;&nbsp;&nbsp;=20while=20walk=20is=20goi ng=20on=20,=20there=20is=
=20a=20chance=20an=20instance=20may=20
=20=20get=20deleted/added=20thro'=20other=20appln(=20other=20than=20sn mp)=20=
..which=20will=20result=20in=20
=20=20displaying=20of=20ambiguous=20data.<BR>&nbsp ;&nbsp;&nbsp;=20&nbsp;&n=
bsp;=20
=20=20<BR>&nbsp;&nbsp;=20&nbsp;&nbsp;=20In=20this= 20case=20how=20to=20diff=
..=20walk=20&amp;=20
=20=20getnext.<BR><BR><BR>Thanks<BR>valantina<BR>< BR><B><I>Pamidipati=20Su=
resh-G20238=20
=20=20&lt;venkatasuresh.pamidipati@emerson.com&gt; </I></B>=20wrote:
=20=20<BLOCKQUOTE=20class=3Dreplbq=20
=20=20style=3D"PADDING-LEFT:=205px;=20MARGIN-LEFT:=205px;=20BORDER-LEFT:=20=
rgb(16,16,255)=202px=20solid">
=20=20=20=20<META=20content=3D"MSHTML=206.00.2900. 3314"=20name=3DGENERATOR=
>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20size=3D2>Hi=20
=20=20=20=20Valantina,</FONT></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2></FONT></SPAN>&nbsp;</DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2>Snmpwalk=20is=20nothing=20but =20a=20series=20of=20snm=
pgetnext=20
=20=20=20=20requests.</FONT></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2>For=20the=20given=20OID,=20sn mpwalk=20first=20sends=20=
an=20snmpgetnext=20request.=20After=20
=20=20=20=20receiving=20the=20response=20for=20the =20getnext,=20it=20retri=
eves=20the=20OID=20from=20the=20
=20=20=20=20response=20and=20then=20sends=20snmpge tnext=20request=20on=20t=
his=20OID.=20This=20way=20
=20=20=20=20snmpgetnext=20requests=20are=20sent=20 until=20all=20OIDs/varia=
bles=20in=20the=20subtree=20(and=20
=20=20=20=20their=20values)=20below=20the=20given= 20OID=20are=20retrieved.=
</FONT></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2></FONT></SPAN>&nbsp;</DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2>Please=20see=20the=20man=20pa ge=20of=20snmpwalk.</FON=
T></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2></FONT></SPAN>&nbsp;</DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2>Regards,</FONT></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2>Suresh.</FONT></SPAN></DIV>
=20=20=20=20<DIV><SPAN=20class=3D470210806-08052008><FONT=20face=3DArial=20=
color=3D#0000ff=20
=20=20=20=20size=3D2></FONT></SPAN>&nbsp;</DIV>
=20=20=20=20<BLOCKQUOTE=20style=3D"MARGIN-RIGHT:=200px">
=20=20=20=20=20=20<DIV></DIV>
=20=20=20=20=20=20<DIV=20class=3DOutlookMessageHea der=20lang=3Den-us=20dir=
=3Dltr=20align=3Dleft><FONT=20
=20=20=20=20=20=20face=3DTahoma=20size=3D2>-----Original=20Message-----<BR=
><B>From:</B>=20
=20=20=20=20=20=20net-snmp-users-bounces@lists.sourceforge.net=20
=20=20=20=20=20=20[mailto:net-snmp-users-bounces@lists.sourceforge.net]=20=
<B>On=20Behalf=20Of=20
=20=20=20=20=20=20</B>valantina=20arumugam<BR><B>Sent:</B>=20Thursday,=20M=
ay=2008,=202008=2011:06=20
=20=20=20=20=20=20AM<BR><B>To:</B>=20net-snmp-users@lists.sourceforge.net<=
BR><B>Subject:</B>=20
=20=20=20=20=20=20How=20to=20differentiate=20snmpw alk=20&amp;=20snmpgetnex=
t=20request=20
=20=20=20=20=20=20??<BR><BR></FONT></DIV>Hi=20all,<BR>&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;=20
=20=20=20=20=20=20&nbsp;&nbsp;=20&nbsp;&nbsp;=20&n bsp;=20
=20=20=20=20=20=20<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbs p;&nbsp;&nbsp;&nbsp;=20I=
s=20there=20a=20way=20to=20
=20=20=20=20=20=20differentiate=20the=20request=20 from=20snmpwalk=20&amp;=20=
snmpgetnext=20?<BR><BR>&nbsp;=20
=20=20=20=20=20=20&nbsp;&nbsp;=20&nbsp;&nbsp;=20Li ke=20a=20flag=20in=20req=
uest=20structure=20which=20diff.=20
=20=20=20=20=20=20walk=20&amp;=20getnext..<BR><BR> &nbsp;&nbsp;=20&nbsp;=20=
&nbsp;&nbsp;=20I=20have=20surfed=20
=20=20=20=20=20=20the=20net-snmp=20,=20but=20i=20couldn't=20find=20out=20a=
=20
=20=20=20=20=20=20way.<BR><BR><BR>Thanks<BR>Valant ina<BR>
=20=20=20=20=20=20<DIV><!--2--></DIV>
=20=20=20=20=20=20<HR=20SIZE=3D1>
=20=20=20=20=20=20Did=20you=20know?=20You=20can=20 CHAT=20without=20downloa=
ding=20messenger.=20<A=20
=20=20=20=20=20=20href=3D"http://in.rd.yahoo.com/tagline_webmessenger_2/*h=
ttp://in.messenger.yahoo.com/webmessengerpromo.php">Click=20
=20=20=20=20=20=20here</A></BLOCKQUOTE><BR>_______________________________=
_______________________________________<BR>This=20
=20=20=20=20email=20has=20been=20scanned=20by=20th e=20MessageLabs=20Email=20=
Security=20System.<BR>For=20more=20
=20=20=20=20information=20please=20visit=20http://www.messagelabs.com/emai=
l=20
=20=20=20=20<BR>__________________________________ ________________________=
____________<BR></BLOCKQUOTE><BR>
=20=20<P><!--10-->
=20=20<HR=20SIZE=3D1>
=20=20</HR>From=20Chandigarh=20to=20Chennai=20-=20find=20friends=20all=20o=
ver=20India.=20<A=20
=20=20href=3D"http://in.rd.yahoo.com/tagline_groups_10/*http://in.promos.y=
ahoo.com/groups/citygroups/">Click=20
=20=20here.</A></BLOCKQUOTE>
<BR>
__________________________________________________ ____________________<BR>=

This=20email=20has=20been=20scanned=20by=20the=20M essageLabs=20Email=20Sec=
urity=20System.<BR>
For=20more=20information=20please=20visit=20http://www.messagelabs.com/ema=
il=20<BR>
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