Tag: ccie-rs
Reliable Static Routing Backup using Object Tracking
Scenario: You are looking at a small network with a HQ and Branch router. At the HQ there is a webserver located and many users from the branch office are accessing this webserver. Between HQ and Branch there…
Read More »Backup Interface
Scenario: You are responsible for a number of routers of a network that connects multiple cities. Whenever router Barcelona sends traffic towards Boston it has to use the link to Tilburg. Unfortunately it is load balancing since the…
Read More »Floating Static Routes
Scenario: While you are drifting on a inflatable bed at your swimming pool you fall asleep and dream about floating static routes. There’s this issue at work you couldn’t solve but sometimes the best ideas arrive in your…
Read More »Longest Prefix Match Routing
Scenario: The local matchstick factory needs your help. They added another link between their routers but now everything is being load balanced between the serial and FastEthernet interface. They want to make sure everything is sent down the…
Read More »Transparent Bridging over Frame Relay
Scenario Your work for a large ISP that still has some old frame-relay equipment. One of your customers wants their sites to be directly connected. Since you know frame relay pretty wel you know you can setup some…
Read More »PPP over Frame Relay
Scenario You are a network engineer specialized in frame-relay. The ISP you work for has a new security policy and wants that all frame-relay connections run authentication. Unfortunately this is not possible so you prepare to configure PPP…
Read More »Frame Relay TCP and RTP compression
Scenario You are working at a frame relay provider as the senior network engineer. One of your customers has two PVCs and they are running a lot of TCP and RTP sessions through your frame relay network. The…
Read More »Frame Relay Broadcast Queue
Scenario Jack and Emma are using frame relay but it seems there is so much broadcast traffic that the link is experiencing congestion. You need to make sure this will not happen in the future without using QoS…
Read More »Frame Relay End to End Keepalive
Scenario Jack and Emma are using frame relay for their network but it seems there are some problems with LMI. Frame relay is being used at router Jack and Emma but they are not directly connected but through…
Read More »Frame Relay Multipoint Subinterface
Scenario Most toons from the fairy tale forest have switched their career to become network engineers. Cinderella has been trying to reach Hansel and Gretel through the frame relay network but hasn’t had any luck. Think you can…
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