Simple Loop Prevention Protocol
(Redirected from Nortel Simple Loop Prevention Protocol)
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Simple Loop Prevention Protocol (SLPP) in computer networking is a data link layer protocol developed by Nortel (previously acquired by Avaya, now a part of Extreme Networks) to protect against Layer 2 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. If a loop is detected, the associated port is shut down.
Compatible equipment
[edit]- Avaya VSP 9000 Series - Software version 3.0 or above
- Avaya VSP 7000 Series - Software version 10.0 or above
- Avaya ERS 8600 - Software version 4.1 or above[1]
- Avaya ERS-8300 - Software version 4.0 or above
- Avaya ERS-5000 - Software version 6.3 or above
- Avaya ERS 4000 series - Software version 5.6.2 or above
- Avaya ERS-3500 - Software version 5.2.0 or above
See also
[edit]References
[edit]- ^ Nortel Enterprise Converged Networking Archived February 25, 2008, at the Wayback Machine
Further reading
[edit]- Lin, Chuh Yu; Lapuh, Roger (October 4, 2007). "United States Patent 20070230357". Free Patents Online. Retrieved 3 Sep 2011.
- Simple Loop Prevention Protocol[dead link] 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
[edit]
Look up SLPP in Wiktionary, the free dictionary.
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