snmpwalk: Timeout (Sub-id not found: (top) -> sysUpTime)

[PoWah Wong]

$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) ->
sysUpTime)

How to debug the problem?



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[PoWah Wong]

instead of giving sysUpTime give sysUpTime.0 ,
because sysUpTime is scalar
type
On Nov 12, 2007 10:51 PM, PoWah Wong

Post by PoWah Wong
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) ->
sysUpTime)
How to debug the problem?
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Post by PoWah Wong
the boot with the All-new Yahoo! Mail. Click on

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Post by PoWah Wong
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Post by PoWah Wong
Now Search log events and configuration files

using AJAX and a browser.

Post by PoWah Wong
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Post by PoWah Wong
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$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 smyhost ysUpTime.0
snmpwalk: Timeout (Sub-id not found: (top) ->
sysUpTime)

Same problem.
How to debug the problem?


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[Mike Ayers]

Behalf Of PoWah Wong
Sent: Tuesday, November 13, 2007 6:07 AM
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 smyhost ysUpTime.0
snmpwalk: Timeout (Sub-id not found: (top) ->
sysUpTime)
Same problem.
How to debug the problem?

The key is "(Sub-id not found: (top) -> sysUpTime)", which means that the program does not understand the meaning of "sysUpTime". I get the same result:

<SNIP>
$ snmptranslate -Le sysUpTime
sysUpTime: Unknown Object Identifier (Sub-id not found: (top) -> sysUpTime)
$ snmptranslate -Le SNMPv2-MIB::sysUpTime
SNMPv2-MIB::sysUpTime
$
</SNIP>


HTH,

Mike

[Dave Shield]

Post by Mike Ayers
The key is "(Sub-id not found: (top) -> sysUpTime)", which means
that the program does not understand the meaning of "sysUpTime".

Indeed.
(Hence my questions about MIB files).

Post by Mike Ayers
<SNIP>
$ snmptranslate -Le sysUpTime
sysUpTime: Unknown Object Identifier (Sub-id not found: (top) -> sysUpTime)

Please remember that snmptranslate is the only tool that does not
use "random lookup" by default.
Try
snmptranslate -IR sysUpTime

If that works, then I'd expect

snmpget .... sysUpTime.0

to be able to translate this into a numeric OID, and at least
get as far as sending the request (even if the remote agent
might not respond).

My suspicion is that PoWah has a configuration where
none of the tools are picking up the MIB files at all.

Dave

[Dave Shield]

$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) -> sysUpTime)
How to debug the problem?

Two things to look at:

a) Are the MIB files installed on your system? If so, where?
Check the locations that "snmpwalk" is looking in
(snmpwalk -D parse-mibs .....)

b) What are the access control settings on the target agent?
Is the user "admin" set up on that system?
Are you sure that the authentication/privacy params are correct?

Are you sure that the target agent supports encrypted requests?
It might be worth trying with "authNoPriv" to start with.
(Or even "noAuthNoPriv", with suitable access control settings)

Dave

[PoWah Wong]

Post by Mike Ayers

Post by Mike Ayers
The key is "(Sub-id not found: (top) ->

sysUpTime)", which means

Post by Mike Ayers
that the program does not understand the meaning

of "sysUpTime".
Indeed.
(Hence my questions about MIB files).

Post by Mike Ayers
<SNIP>
$ snmptranslate -Le sysUpTime
sysUpTime: Unknown Object Identifier (Sub-id not

found: (top) -> sysUpTime)
Please remember that snmptranslate is the only tool
that does not
use "random lookup" by default.
Try
snmptranslate -IR sysUpTime
If that works, then I'd expect
snmpget .... sysUpTime.0
to be able to translate this into a numeric OID, and
at least
get as far as sending the request (even if the
remote agent
might not respond).
My suspicion is that PoWah has a configuration where
none of the tools are picking up the MIB files at
all.
Dave

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Post by Mike Ayers
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Stop.
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AJAX and a browser.
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Starting snmp daemon (service snmpd start) at myhost
has some error messages at the log:
# cat /var/log/snmpd.log
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
NET-SNMP version 5.4.1

The same snmp application fail at myhost but pass at
tulip:
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) ->
sysUpTime)

$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678 -x DES -X 87654321 tulip sysUpTime
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks:
(19789700) 2 days, 6:58:17.00



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[Dave Shield]

Post by PoWah Wong
Starting snmp daemon (service snmpd start) at myhost
# cat /var/log/snmpd.log
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()

You can ignore those.
(See Offical Patch #1805971)

Post by PoWah Wong
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 tulip sysUpTime
sysUpTimeInstance = Timeticks: 2 days, 6:58:17.00

OK - so snmpwalk is picking up the MIB files OK.

Post by PoWah Wong
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) ->sysUpTime)

I'm beginning to wonder whether the "Sub-id" found message
might be a red herring.

Post by PoWah Wong
b) What are the access control settings on the target agent? [i.e. 'myhost']
Is the user "admin" set up on that system?
Are you sure that the authentication/privacy params are correct?

I'd also suggest looking at any firewall settings on that box.
What happens if you run

$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 localhost sysUpTime

from 'myhost' itself?

Dave

[Mike Ayers]

Behalf Of Dave Shield

$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 myhost sysUpTime
snmpwalk: Timeout (Sub-id not found: (top) ->sysUpTime)

I'm beginning to wonder whether the "Sub-id" found message
might be a red herring.

I'm beginning to think it's not - specifically, was this agent built with SNMPv2-MIB support? Unfortunately I don't know the exact behavior of snmpwalk. PoWah, could you please try the following:

$ snmpgetnext -v 3 -u admin -l authPriv -a MD5 -A 12345678
-x DES -X 87654321 -On myhost .1.3.6.1.2.1.1

If the response doesn't start with .1.3.6.1.2.1.1 (the system group), then try again with .1.3.6.1.2.1.11 (the snmp group), finally the .1.3.6.1.6.3.1 (the snmpMIB group). If none of these have objects, then you simply don't have an SNMPv2-MIB as part of your master agent.


HTH,

Mike

[PoWah Wong]

Post by PoWah Wong

Post by PoWah Wong
Starting snmp daemon (service snmpd start) at

myhost

Post by PoWah Wong
# cat /var/log/snmpd.log
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()
netsnmp_assert !"registration != duplicate" failed
agent_registry.c:535 netsnmp_subtree_load()

You can ignore those.
(See Offical Patch #1805971)

Post by PoWah Wong
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A

12345678

Post by PoWah Wong
-x DES -X 87654321 tulip sysUpTime
sysUpTimeInstance = Timeticks: 2 days, 6:58:17.00

OK - so snmpwalk is picking up the MIB files OK.

Post by PoWah Wong
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A

12345678

Post by PoWah Wong
-x DES -X 87654321 myhost

sysUpTime

Post by PoWah Wong
snmpwalk: Timeout (Sub-id not found: (top)

->sysUpTime)
I'm beginning to wonder whether the "Sub-id" found
message
might be a red herring.

Post by PoWah Wong
b) What are the access control settings on the

target agent? [i.e. 'myhost']

Post by PoWah Wong
Is the user "admin" set up on that system?
Are you sure that the authentication/privacy

params are correct?
I'd also suggest looking at any firewall settings on
that box.
What happens if you run
$ snmpwalk -v 3 -u admin -l authPriv -a MD5 -A
12345678
-x DES -X 87654321 localhost
sysUpTime
from 'myhost' itself?
Dave

Problem is solved after open firewall settings for
snmp.



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