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Cisco node down

I recently added a Cisco 2821 router to monitor. The router is up, and all the nodes are up, but for some reason the node is listed as down. In the web interface under the response time and packet loss the gage is at 100% for packet loss. To the left of the gage it's says unsupported or unknown value. Any ideas of what may be causing this? The router is working properly. I'm also having the same issue with Expands Accelerator 4820. I'm accessing both through a firewall. Could that have anything to do with it? Thanks for any help in advance.

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SamuelB

magic_man,

The firewall sounds like it is exactly the problem. You should configure your firewall to allow ICMP and SNMP from the Orion server to the Cisco router and Expands Accelerator.

magic_man

Thanks for the help. A security requirment may need us to not let ICMP through the firewall. Is there anyway to disable the ICMP so that the node is not considered down? Thanks.

magic_man

Nevermind. I found the answer in another thread. That feature needs to be added.