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Simple Loop Prevention Protocol

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Simple Loop Prevention Protocol (SLPP) in computer networking is a layer 2 protocol invented by Nortel (previously acquired by Avaya, now acquired by Extreme Networks) to protect against network loops. SLPP uses a small hello packet to detect network loops. The SLPP protocol checks packets from the originating switch and the peer switch in a SMLT configuration. Sending hello packets on a per VLAN basis allows SLPP to detect VLAN based network loops for un-tagged as well as tagged IEEE 802.1Q VLAN link configurations. Once a loop is detected, the port is shut down.

Compatible equipment

See also

References

  1. ^ Nortel Enterprise Converged Networking Archived February 25, 2008, at the Wayback Machine

Further reading

  • "United States Patent 20070230357". United States Patent and Trademark Office. October 4, 2007. Retrieved 3 Sep 2011. {{cite journal}}: Cite journal requires |journal= (help); Unknown parameter |authors= ignored (help)
  • Simple Loop Prevention Protocol Google Patents
  • Simple Loop Prevention Protocol (SLPP)
  • Nortel "Simple Loop Prevention Protocol" (SLPP)
  • Switch Clustering Design Best Practices
  • Quick Nortel MLT (Link Aggregation) Reference
  • Switch Clustering Design Best Practices

External links

Look up SLPP in Wiktionary, the free dictionary.
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