Broadcast Storm Shuts Down DCS Consoles
| Event Year: | 1997 | Reliability: | Likely But Unconfirmed |
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| Country: | Canada | ||
| Industry Type: | Pulp and Paper | ||
| Description: | The facility lost communications to the operator consoles on a steam plant DCS. The problem was believed to be caused by an incorrectly configured Windows 95 workstation in another mill area that generated high levels of broadcast packets. |
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| Impact: | The DCS had to be removed from the mill network, preventing process data from being transferred to the business systems. |
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| Action Description: | Installation of separate subnets and VLANs for process control | ||