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<DIV dir=ltr align=left><SPAN class=345083114-29012007><FONT face=Arial
color=#0000ff size=2>I can ping the device fine. </FONT></SPAN></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> Ed LaFrance
[mailto:Ed.LaFrance@newmediaems.com] <BR><B>Sent:</B> Saturday, January 27, 2007
11:28 AM<BR><B>To:</B> Mersberger, Robert;
mrtg@lists.oetiker.ch<BR><B>Subject:</B> Re: [mrtg] Problem with cfgmaker after
moving mrtg server to new subnet.<BR></FONT><BR></DIV>
<DIV></DIV>Can you even ping the target from the new origin? This sounds like a
networking issue that is affecting MRTG and has nothing to do with MRTG
specifically.<BR><BR>Ed<BR><BR><BR>At 01:52 PM 1/26/2007, Mersberger, Robert
wrote:<BR>
<BLOCKQUOTE class=cite cite="" type="cite">Content-Class:
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boundary="----_=_NextPart_001_01C74194.4D821F75"<BR>Content-Transfer-Encoding:
7bit<BR><BR><BR><FONT face="Arial, Helvetica" size=2>I have 2 AS400 servers on
172.20.x.x/24 and 172.24.X X/24 subnets that I have been tracking with mrtg
with the server on a 172.18.x.x/24 subnet . Recently we upgraded to the latest
release of Mrtg and it was installed on a new subnet 172.31.16.x/22 and these
two as400 servers stop communicating with mrtg and cfgmaker. This is the error
message that I get.<BR></FONT><BR><FONT face="Arial, Helvetica" size=2>? Is
used to hide the real subnet </FONT><BR><FONT face="Arial, Helvetica"
size=2>SNMP Error:</FONT> <BR><FONT face="Arial, Helvetica" size=2>no response
received</FONT> <BR><FONT face="Arial, Helvetica" size=2>SNMPv1_Session
(remote host: "172.20.?.11" [172.20.?.11].161)</FONT> <BR><FONT
face="Arial, Helvetica"
size=2>
community: "public"</FONT> <BR><FONT face="Arial, Helvetica"
size=2>
request ID: 614628054</FONT> <BR><FONT face="Arial, Helvetica"
size=2>
PDU bufsize: 8000 bytes</FONT> <BR><FONT face="Arial, Helvetica"
size=2>
timeout: 2s</FONT> <BR><FONT face="Arial, Helvetica"
size=2>
retries: 5</FONT> <BR><FONT face="Arial, Helvetica"
size=2>
backoff: 1)</FONT> <BR><FONT face="Arial, Helvetica" size=2> at
/usr/bin/../lib/mrtg2/SNMP_util.pm line 490</FONT> <BR><FONT
face="Arial, Helvetica" size=2>SNMPGET Problem for ifInOctets.2 ifOutOctets.2
on public@172.20.?.11:::::1:v4only</FONT> <BR><FONT face="Arial, Helvetica"
size=2> at /usr/bin/mrtg line 2035</FONT> <BR><FONT
face="Arial, Helvetica" size=2>Thursday, 25 January 2007 at 17:00: WARNING:
skipping because at least the query for ifInOctets.2 on 172.20.?.11 did
not succeed<BR></FONT><BR><FONT face="Arial, Helvetica" size=2>Thursday, 25
January 2007 at 17:00: WARNING: no data for
ifInOctets&ifOutOctets:public@172.20.?.11. Skipping further queries for
Ho<BR></FONT><BR><FONT face="Arial, Helvetica" size=2>st 172.20.?.11 in this
round.</FONT> <BR><BR><FONT face="Arial, Helvetica" size=2>I have done sniffer
traces on this activity and what I see looks like no response from
server. In the trace I see </FONT><BR><FONT face="Arial, Helvetica"
size=2>Snmp request </FONT><BR><FONT face="Arial, Helvetica" size=2>Snmp
response </FONT><BR><FONT face="Arial, Helvetica" size=2>ICMP destination
unreachable.</FONT> <BR><BR><FONT face="Arial, Helvetica" size=2>I have
verified the community string and know that I can do an snmpwalk from servers
on other subnets.</FONT> <BR><FONT face="Arial, Helvetica" size=2>I also check
with the server owner and had him verify that snmp on these servers were not
setup to not allow access from this subnet. I have other devices on this
172.24 and 172.20 subnet that are not causing problems only these two IBM
servers.<BR></FONT><BR><FONT face="Arial, Helvetica" size=2>Hope you can
straighten be out.</FONT> <BR><BR><BR>CONFIDENTIAL NOTICE:<BR>This e-mail
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