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Re: snmpwalk/MIB Browser/Demand Poll Trouble.

To: nv-l@lists.tivoli.com
Subject: Re: snmpwalk/MIB Browser/Demand Poll Trouble.
From: "Westphal, Raymond" <RWestphal@erac.com>
Date: Tue, 8 May 2001 07:00:58 -0500
Hello Everyone,

NetView 6.0.2 on AIX 4.3.3

Thanks for your suggestions, Don.
Here's the output of a demand poll to the firewall. Notice that an SNMP
timeout occurs on 2nd interface (y.y.y.y). This is also the same interface
upon which snmpwalk fails.

Title: Demand Poll
Name or IP Address: firewall5.rentacar.com
Poll Results
20:39:07 ***** Starting demand poll of node firewall5.rentacar.com *****
20:39:07   Interface x.x.x.x (currently up)
20:39:07   Interface y.y.y.y (currently up)
20:39:09   Interface x.x.x.x() is UP Responded to ping
20:39:09   Interface y.y.y.y() is UP Responded to ping
20:39:09   Current polling parameters
20:39:09     scheduled configuration check at 05/08/01 20:21:40
20:39:09       auto-adjusted polling interval is 900 seconds
20:39:09   Get system identifier
20:39:27     SNMP request timed out (y.y.y.y)
20:39:27   Verify node name
20:39:27     node name verified to be firewall5.rentacar.com
20:39:27 ***** End of demand poll for node firewall5.rentacar.com

I ran your xnmsnmpconf -resolve test. The community name is correct for both
IP addresses, and both the short and long (fqdn) hostnames.
snmpwalk responds for both host names and the x.x.x.x address. It will not
respond with the y.y.y.y address.

So - is it true that for demand poll, MIB browser, SNMP connectivity to work
all interfaces or hostname entries in the SNMP configuration have to work?

I believe it is a firewall problem but I don't understand the firewall's
configuration. A route get to the y.y.y.y address returns a bogus gateway
address and a very unusual mask equal to the bogus gateway address.

Thanks for your help.

Ray Westphal


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