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Frame Relay Frequently Asked Questions
Monday, August 24th, 2009In preparation of our CCNP exam, we want to make sure we cover the various concepts that we could see on our Cisco CCNP exam. So to assist you, below we will discuss Frame Relay Frequently Asked Questions.
Introduction
Frame Relay is a high-performance WAN protocol that operates at the physical and data link layers of [...]
Frame-Relay – Things to Remember
Saturday, August 15th, 2009When “encapsulation frame-relay” command is issued on an interface, the router will learn all the DLCIs associated with that interface via LMI updates. Then once an IP address is configured on the same interface, InARP request will be sent out on all the learned DLCIs. If the other end is also configured with an [...]
R&S Quick Notes – Frame-Relay/PPP
Monday, June 8th, 2009Frame-Relay
DHCP on a frame interface : “frame-relay interface-dlci 555 protocol ip 166.166.166.2″
When asked to disable INARP, be sure to do so on physical interfaces any multipoint sub-interfaces.
If you see 0.0.0.0 frame mappings, save your config and reload.
The backup command can NOT be used on FR physical interfaces. (no way to detect when [...]
5 Minutes Course – Frame Relay
Friday, June 5th, 2009Frame Relay is packet switched WAN techonlogy for transporting Data across Conection oriented Virtual Circuits using Public Data Networks (PDN). its high performance alternative to overly reliable / slow X.25 Wan Protocol. it have no Error Recovery but have smart flow control (fecn becn). it can support up to T3 line (44.736 Mbps)
in 1984 [...]
CCNA Quick Notes – Frame Relay
Friday, April 3rd, 20091.What protocol does Frame Relay rely on for error checking? Frame Relay does not rely on any certain protocol for error checking. Instead, it relies on upper-layer protocols to provide error checking. For example, Frame Relay relies on TCP to provide error checking in an IP network. [...]