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  • Frame Relay Notes – LMI, Headers, and Encapsulation

    LMI, Headers, and Encapsulation

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  • PPP Notes – LFI

    Link Fragmentation and Interleaving

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  • Redistribution Notes – AD Manipulation

    Manipulating administrative distance (AD) is another way to help with a mutual redistribution scenario.

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  • Redistribution Notes – Tagging

    You can use route tags in redistribution scenarios to filter and/or manipulate routes.

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  • CCIE R&S Written Materials

    I’m scheduled to take the CCIE R&S Written exam on 10 July at Cisco Live, and I’ve been asked by a handful of people on Twitter exactly what materials I’m using. I figured it would be a good idea to let everyone know so that we all can determine whether or not I’m on the…

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  • BGP Notes – Synchronization

    A route must appear in the routing table via an IGP in order for that routes to be able to be voted ‘best” by BGP.

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  • BGP Notes – Backdoor Routes

    For God’s sake, do not lower the AD of EIGRP! Havoc will ensue.

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  • BGP Notes – Route Reflectors

    Route reflectors remove the requirement of having a full mesh iBGP network.

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  • BGP Notes – Confederations

    BGP confederations remove the requirement of a full mesh iBGP setup as well as the need for BGP synchronization.

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  • BGP Notes – Authentication

    Corrections welcome. It’s simple as pie to enable MD5 auth to a BGP peer. R102(config-router)#neigh 192.0.2.101 pass MYKEY

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Aaron's Worthless Words

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