#2667 snmpwalk times out while traversing TCP-MIB when there are more than 1000 TCP connections

[Sowrabha]

This bug is due to the known limitation in net-snmp 5.4.1 i.e it can only
handle upto 1000 TCP connections.

I see that the patch
http://sourceforge.net/p/net-snmp/code/ci/d24efb04778d870efa2739493949db65f3fdd4f3/
looks the fix for this issue.But then i tried applying it and
tested in a test setup of 2500 tcp connections. snmpd still times out .

Kindly help me in figuring out this.Is there any other which is supposed to fix this issue.

[Sowrabha]

I am using solaris operating system . Sorry i didnt put the Milestone as Solaris.

[Niels Baggesen]

Luckily I don't have that busy Solaris servers, but anyway ...

Just to verify if this is just a timing issue: Have you tried doing the walk with increased timeout (-t 10 -r 0) to see if that fixes it?

[Sowrabha]

Hi,
Yes, I have tried increasing the rumour option but that doesn't solve the problem.

Thank you
Sowrabha

On 25-Sep-2015, at 1:04 AM, Niels Baggesen nba@users.sf.net wrote:

• Group: perl --> solaris
• Comment:

Luckily I don't have that busy Solaris servers, but anyway ...

Just to verify if this is just a timing issue: Have you tried doing the walk with increased timeout (-t 10 -r 0) to see if that fixes it?

---

[bugs:#2667] snmpwalk times out while traversing TCP-MIB when there are more than 1000 TCP connections

Status: open
Group: solaris
Created: Wed Sep 16, 2015 08:56 AM UTC by Sowrabha
Last Updated: Wed Sep 16, 2015 08:58 AM UTC
Owner: nobody

This bug is due to the known limitation in net-snmp 5.4.1 i.e it can only
handle upto 1000 TCP connections.

I see that the patch
http://sourceforge.net/p/net-snmp/code/ci/d24efb04778d870efa2739493949db65f3fdd4f3/
looks the fix for this issue.But then i tried applying it and
tested in a test setup of 2500 tcp connections. snmpd still times out .

Kindly help me in figuring out this.Is there any other which is supposed to fix this issue.

---

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[Niels Baggesen]

And, are there any special reason for you to do not try the current 5.7.3 version?

[Sowrabha]

Hi ,
Solaris operating system still has net-snmp 5.4.1 and lot of customers are still using it.So is it possible to fix this in 5.4.1?

Thank you
Sowrabha

On 25-Sep-2015, at 1:06 AM, Niels Baggesen nba@users.sf.net wrote:

And, are there any special reason for you to do not try the current 5.7.3 version?

---

[bugs:#2667] snmpwalk times out while traversing TCP-MIB when there are more than 1000 TCP connections

Status: open
Group: solaris
Created: Wed Sep 16, 2015 08:56 AM UTC by Sowrabha
Last Updated: Thu Sep 24, 2015 07:34 PM UTC
Owner: nobody

This bug is due to the known limitation in net-snmp 5.4.1 i.e it can only
handle upto 1000 TCP connections.

I see that the patch
http://sourceforge.net/p/net-snmp/code/ci/d24efb04778d870efa2739493949db65f3fdd4f3/
looks the fix for this issue.But then i tried applying it and
tested in a test setup of 2500 tcp connections. snmpd still times out .

Kindly help me in figuring out this.Is there any other which is supposed to fix this issue.

---

Sent from sourceforge.net because you indicated interest in https://sourceforge.net/p/net-snmp/bugs/2667/

To unsubscribe from further messages, please visit https://sourceforge.net/auth/subscriptions/

[Niels Baggesen]

Does it work with 5.7.3? In that case it should be fixable, but I don't have your environment so I can't tell.

[Sowrabha]

This limitation can be temporarily fixed by increasing the TCP and UDP connection limit.