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  • About CSV
CSV

CSV

Comes here often

Member since Feb 13, 2020

‎03-17-2020

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First 5 Posts View All
Latest Contributions by CSV
  • Topics CSV has Participated In
  • Latest Contributions by CSV

Re: BGP best-path selection algorithm on Meraki MX one-armed concentrator

by CSV in Security / SD-WAN
‎03-17-2020 05:14 AM
‎03-17-2020 05:14 AM
Hi CptnCrnch,   My post is not related to your link.   thanks   ... View more

BGP best-path selection algorithm on Meraki MX one-armed concentrator

by CSV in Security / SD-WAN
‎03-17-2020 02:54 AM
‎03-17-2020 02:54 AM
Hi,   Does anyone have Meraki documentation related to BGP best-path selection algorithm?   From my testing environment I've noticed that a MX in one-armed concentrator mode (the only mode that supports eBGP) always prefers the eBGP route over iBGP route (it doesn't care of AS-PATH length)   Ex:   R1(AS 100)----eBGP----HUB1-----iBGP(AS 65100)-----HUB2----R2 (AS 200)   R1 advertises subnet 10.10.10.10/32 with AS path 100 100 100 R2 advertises subnet 10.10.10.10/32 with AS path 200     --> Hub1 prefers the external route from R1 (would expect to prefer the route from Hub2) --> Hub2 prefers the external route from R2 (expected behavior)   --> If R1 stops advertising 10.10.10.10/32, then Hub1 will receive the route from Hub2 via iBGP with AS PATH 65100 200   --> If Spoke 1 has in the hub list HUB1(primary) HUB2(secondary), it will prefer the route from HUB2 with AS PATH 65100 200   thanks         ... View more

Re: Traffic Shaping class (High, Normal, Low) priorities

by CSV in Security / SD-WAN
‎02-21-2020 06:51 AM
‎02-21-2020 06:51 AM
Hi kYutobi,   I've already read the doc that you've provided, but what I've asked is not in this document (in short, if you don't specify/limit  the uplink bandwidth, and if from the provider you've bought only 10Mb, what will be the reference bandwidth used for High Normal and Low clases?   Meraki doc says:   +++++++++++++++ Each traffic rule supersedes each rule below it and the rules below it must strictly adhere to their fractional bandwidth limits. For instance, if there is a high traffic shaping rule but no low traffic shaping rules configured then the high priority traffic would have access to 5/7 of the available bandwidth on the uplink and normal traffic would have 2/7s. Additionally, if there are no high priority traffic shaping rules then normal priority traffic gets 6/7 of the bandwidth and low priority gets 1/7 of the uplink's bandwidth. +++++++++++++++ ... View more

Traffic Shaping class (High, Normal, Low) priorities

by CSV in Security / SD-WAN
‎02-21-2020 05:47 AM
‎02-21-2020 05:47 AM
Hello,   Meraki documentation states:   Priority can be set to High, Normal, or Low, allowing the MX series to prioritize a given network flow relative to the rest of the network traffic. The ratios are as follows: High: 4/7 Normal: 2/7 Low: 1/7 Considering that --> Carrier has provided a 10Mb uplink --> Wan uplinks have no limitation defined (see below) --> all the SD-wan traffic shaping rules have the Bandwidth limit: "Ignore network per-client (unlimited) --> there  2 High priority rules, 2 Normal priority rules and 1 Low priority rule   How is the traffic prioritized/bandwidth utilization done in  this case? thanks   ... View more

Re: Cisco Meraki MX routing

by CSV in Security / SD-WAN
‎02-21-2020 04:00 AM
‎02-21-2020 04:00 AM
Hi MerakiDave,     Thank you for your reply, do you have any official Meraki documentation where it explains this? ... View more

Cisco Meraki MX routing

by CSV in Security / SD-WAN
‎02-13-2020 05:51 AM
‎02-13-2020 05:51 AM
Hi,   In a Hub and Spoke design, if 2 spokes are using different HUB priorities (lets say Spoke1 - Hub1;Hub2 and Spoke2 - Hub2; Hub1), and both Hubs advertise all subnets, how is the traffic flow going to be between Spoke 1 and Spoke 2?   -- Spoke1 -- Hub1 -- Spoke2 and return(reply) traffic Spoke 2 -- Hub2 -- Spoke 1   or   -- Spoke1 -- Hub1 -- Spoke 2 and return(reply) traffic Spoke2 -- Hub1 -- Spoke1 (symmetrical)   thanks ... View more
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