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Administrative Distance - In the event there are multiple routes to a destination with the same prefix length, the route learned by the protocol with the lowest administrative distance is preferred. In AWS, a Virtual Private Cloud (VPC) peering connection is a networking connection between two VPCs which allows you to route specific traffic between them using either private IPv4 addresses or IPv6 addresses. Longest Prefix Match: Understanding Advanced Concepts in VPC Peering VPC Peering Basics. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. The first step is preferring the longest match/prefix. The example below has the same topology with our previous example but with an additional router, R5. The longest prefix match can come up particularly when you have summary routes. To make it more clear lets lab it up. The link from R1 to R5 is on the 10.0.3.0/24 network and it is directly connected. The less the AD, the more believable/preferable the route is. 1) Longest prefix match. With the introduction of support for multiple destination patterns on a dial-peer, configuration is largely simplified and reduced. So, the answer in your case would be A and C. it is the way of an IP Router to select which route it will choose to forward the packets to. All intelligent networking devices use both Bitwise AND operations used to figure out subnetting. A video about longest match routing and how it can steer routes the correct and incorrect path. If there are two routes to the same destination then the largest prefix/mask is used to make a choice. (and Bitwise XOR is used to figure out wildcard operations). It compares the Destination IP Address of the packet it receives to each entry it has in its routing table, the longest network bits that has a match wins. Prefix length trumps all other route attributes. Longest prefix match (also called Maximum prefix length match) refers to an algorithm used by routers in Internet Protocol (IP) networking to select an entry from a forwarding table.. Because each entry in a forwarding table may specify a sub-network, one destination address may match more than one forwarding table entry. First, what is Longest-Prefix Match? If there is a tie, the AD(administrative distance) is used to determine the choice. 1) Area Types [Intra, Inter, External E1, External E2, NSSA N1, NSSA N2] 2) Longest prefix match Prefix Length - The longest-matching route is preferred first. Correct Answer: C. Explanation: The destination IP address 10.1.5.65 belongs to 10.1.5.64/28, 10.1.5.64/29 & 10.1.5.64/27 subnets but the “longest prefix match” algorithm will choose the most specific subnet mask; the prefix “/29″ will be chosen to route the packet. 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Loofah Alternatives Reddit, How Far Is 300 Yards To Walk, Fly Hook Size For Trout, Progresso Italian Wedding Soup, Ertugrul Season 3 Episode 99 English Subtitles, Ina Garten Creamy Chicken Soup, Smooth Stone Slab Minecraft Recipe, Isaiah 26:21 Kjv, Tarkov 6p1 Sb 1 2, Pepsico Foundation President,

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