AVAYA SMLT PDF

An SMLT/SLT is Avaya’s proprietary equivalent to Cisco’s Virtual PortChannel feature. When do you use one over the other, SMLT or SLT?. It was recently pointed out to me that I had never written a post documenting how to configure SMLT to a edge/closet switch. While there are. Multi-link trunking (MLT) is a link aggregation port trunking technology developed at Nortel in . SMLT is supported within the following Avaya Ethernet Routing Switch (ERS) and Virtual Services Platform (VSP) Product Families: ERS

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Distributed multi-link trunking DMLT or distributed MLT is a proprietary computer networking protocol designed by Nortel Networksand now owned by extreme networks[7] used to load balance the network traffic across connections and also across multiple switches or modules in a chassis.

We use cookies to enhance and personalize your experience. Leave a Reply Cancel reply Enter your comment here To include ports as trunk group members of an MLT, you must statically configure the ports.

To find out more, including how to control cookies, see here: This eliminates the need for spanning tree reconvergence or root-bridge failovers in failure scenarios which causes interruptions in network traffic longer than time-sensitive applications are able to cater for.

Thanks for any insight. USFite, Jr.

Hi Mikail, This comment is kinda off-topic for this specific blog post. Email required Address never made public.

Multi-link trunking – Wikipedia

Company Private Only you and moderators can see this information. This produces server to switch or switch to switch connections that are up to 8 times faster. This is a best practice recommendation by Avaya to help reduce the ARP broadcast storms that can result when the FDB table expires a large number of entries which then in turn causes them to be removed from the ARP table causing the switch to re-ARP for them.

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Should any one switch, port, or more than one link fail, the DSMLT technology will automatically redistribute traffic across the remaining links. The user traffic traversing the IST is minimized to a large degree but it can occur on occasion. This can be a valuable defense measure in protecting your network. Ok, I will try it then. This command will enable tagging to make the port an Take the following scenario with SMLT: This file cannot be downloaded Sorry, our virus scanner detected that this file isn’t safe to download.

The IST ports are also tagged trunks. You can choose which cookies you want to accept. This site uses cookies. Now for the edge configuration. Thanks for the comment! ERS config -if vlacp port 1,2,3,4 fast-periodic-time Hi, Can you explain to me how the avaya routing algorithm works when you have 2 x switches in a stack using SMLT connected to 2 x ERS using 4 x 10gbps fibre connections.

Should any one or more than one link fail, the MLT technology will automatically redistribute traffic across the remaining links.

VLACP parameters must be configured the same on both ends of the link to achieve connectivity. This design provides excellent bandwidth and redundancy, and is capable of supporting approximately small campus to medium campus users when adding switches or stacks at the edge for scalability.

MLT on Exos to work with Avaya MLT/SMLT

In many cases, core network convergence time after a failure is dependent on the length of time a routing protocol requires to successfully converge change or re-route traffic around the fault. Some say no user traffic is sent across IST, but then how would you get redundant connectivity. The core configuration is finished! DMLT allows you to aggregate similar ports from different modules. Grouping multiple ports into a logical link provides a higher aggregate on a switch-to-switch or switch-to-server application.

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R-SMLT takes care of packet forwarding in core router failures and works with any of the following protocol types: Our ports that will become SMLT links to the edge switch are tagged For each packet that needs to be transmitted, one of the physical links is selected based on a load-balancing algorithm usually involving a hash function operating on the source and destination Media Access Control MAC address information.

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If only one end is split, the topology is referred to as an SMLT triangle. Depending dmlt the specific routing protocol, this convergence time can cause network interruptions ranging from seconds to minutes. United States Patent [8]. If you continue to use this site we will assume that you are happy with it. Next add the SMLT configuration into the core that will connect the core to the edge: