That's not quite the case. Since most of the traffic gets through. I can SNMP walk and all. It's only 10%-13% that does not get through apparently. Not sure why yet. I'll setup the tcpdump shortly.
Andrey On Apr 18, 2010, at 10:29 AM, Manickaraja Arumugam wrote: > Hi > > You should allow icmp traffic in the firewall for its behind devices to the > intermapper server. > > Regards > Manickaraja > > > ------Original Message------ > From: [email protected] > To: InterMapper-Talk > ReplyTo: InterMapper-Talk > Subject: RE: [IM-Talk] Packet loss question > Sent: Apr 17, 2010 12:58 AM > > Well, the device seems to be responding to SNMP just fine. I can walk it > (from InterMapper), I can poll it and it works like expected. However, the > status window says that packet loss is 13% for all devices beyond the > firewall. I'm suspecting the firewall does something stupid, but I'm trying > to understand how InterMapper determines that there is packets loss, so I > know what to look for in the firewall. > > So, in short, not exactly. I guess the actual question is "which packets need > to get lost for the counter to increase?" > > > -------------- > Andrey Khomyakov | Senior Network Engineer | +1.617.879.5945 > > Confidentiality Note: This e-mail, and any attachment to it, is intended to > be confidential and might be legally privileged. It is intended solely for > the use of the addressee. If you are not the intended recipient, you are > hereby notified that reading, copying, disseminating or distributing this > email is strictly prohibited. If you have received this e-mail in error, > please immediately return it to the sender and delete it from your system. > Thank you. > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Janice Losgar > Sent: Friday, April 16, 2010 3:21 PM > To: InterMapper Discussion > Subject: Re: [IM-Talk] Packet loss question > > Andrey, > > If you are using the default device thresholds, then for SNMP probes, > InterMapper is sending two SNMP requests and, if the device fails to respond > to the SNMP > > ------Original Message Truncated------ > > "DISCLAIMER: This message is proprietary to Aricent and is intended solely > for the use of the individual to whom it is addressed. It may contain > privileged or confidential information and should not be circulated or used > for any purpose other than for what it is intended. If you have received this > message in error, please notify the originator immediately. If you are not > the intended recipient, you are notified that you are strictly prohibited > from using, copying, altering, or disclosing the contents of this message. > Aricent accepts no responsibility for loss or damage arising from the use of > the information transmitted by this email including damage from virus." > .+-j�!�����i��0�f���܆+�r���{^�f����jY8�X��֫��y�&�:.�˛���m� �צj)m���z����M�d����]j�pj���
