How to configure a firewall to allow the ICMP types required by SMARTS
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How to configure a firewall to allow the ICMP types required by SMARTS

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Article ID: 304285

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Updated On:

Products

VMware

Environment

VMware Smart Assurance - SMARTS

Resolution

How to configure a firewall to allow the ICMP types required by SMARTS.
ICMP ping types required for Smarts to communicate through a firewall.




Some firewalls are configured to block ICMP traffic.  In order for Smarts to monitor a network, the following ICMP types must be allowed by the firewall 0,3,8,11.  0 Echo Reply   [RFC792]
 3 Destination Unreachable [RFC792]
 8 Echo   [RFC792]
11 Time Exceeded  [RFC792] In addition, the operating system will require 5, 9, 10, for routing table updates.

 5 Redirect   [RFC792]
 9 Router Advertisement  [RFC1256]
10 Router Solicitation  [RFC1256]