May
31
IEWB-RS Volume I Version 5 Frame Relay labs are now posted on the members site. Please post all questions and comments about it here. Read More
Mar
25
A common question that I get from students in class is what are the options to resolve spoke to spoke reachability in a Frame-Relay network. Below are your "standard" choices in order of preference: Read More
Jan
26
To begin with, why whould anyone need to run Multilink PPP (MLPPP or MLP) with Interleaving over Frame-Relay? Well, back in days, when Frame-Relay and ATM were really popular, there was a need to interwork the two technologies: that is, transparently pass encapsulated packets between FR and ATM PVCs. (This is similar in concept with modern L2 VPN interworking, however it was specific to ATM and Frame-Relay). Let's imagine a situation where we have slow ATM and Frame-Relay links, used to... Read More
Jan
24
This is a "modern" way to configure FRTS, using MQC commands only to accomplish the task. With MQC approach, an unified interface has been introduced to configure all QoS settings, irrelevant of underlying technology. Read More
Jan
22
This is the most well-known FRTS method, which has been available for quite a while on Cisco routers. It is now being outdated by MQC configurations. The key characteristic is that all settings are configured under map-class command mode, and later are applied to a particular set PVCs. The same configuration concept was used for legacy ATM configuration mode (map-class atm). Read More
Jan
21
As first and very basic option, you may use Generic Traffic Shaping to implement FRTS. This is a common technique, not unique to Frame-Relay, with the following properties: Read More
Jan
08
When configuring a Frame Relay switch layer 1 DCE/DTE is independent of layer 2 DCE/DTE. The "clock rate" command can only be applied on the layer 1 DCE side of the cable. This can be determined by looking at the cable for a DTE/DCE labeling, using the "show controllers serial X/X" command or by just issuing the "clock rate" command on both sides. The side that accepts the command is the layer 1 DCE. Read More
Jan
07
Hello Brian,Can you explain how PPP over Frame Relay works? Also what are the advantages and disadvantages of using it over normal Frame Relay configuration?Thanks and regards, Read More

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