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Adoos
Getting noticed
Member since Feb 18, 2018
Thursday
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a month ago
Bit late on a response here but this has come up again, interested to see if anyone else has come up with this or can replicate. Scenario: Active-Active Auto VPN enabled WAN 1: - MPLS | 4/4Mb/s WAN 2: - NBN | 100/40Mb/s We push SIP and Citrix over MPLS and everything else over NBN (including windows file share) with regular internet traffic breaking out at the branch directly. Issues: When active-active is enabled and spoke branch attempts to download a file from one of our shared drives in the DC they are experiencing incredibly poor download performance, basically if a PDF is 40MB you can be sure it will take either 5 minutes or will timeout. Troubleshooting Steps: Initial thoughts were AMP as this has bitten us plenty of times so disabled that and still no good. Maybe it's SMB? Poked around here and nothing obvious found as LAN speeds to the file share are excellent. Maybe QOS? Checked that and everything is within spec. To be sure it wasn't SMB or our server related in general we shared a file path on a PC to the remote site user with a 40MB pdf and when testing we experienced acceptable speeds/download time. That confused us so we kept digging and didn't get anywhere. 😃 Ready to pass the ball to the systems team we disabled active-active auto VPN as this has bitten us previously for the same issue and conducted our tests again...suddenly download speeds are beautiful. Conclusion Assuming our config is fine which i'm confident it is, something is seriously not right with the active-active feature. Raised a ticket with Meraki support and confirmed traffic is traversing WAN1 and WAN2 regardless of the policy in place. Meraki are going to dig a bit deeper and report back what is going on here. I thought the DC should respect what SDWAN policies are set and send file share traffic back via the NBN tunnel. High number of TCP retrans and packets out of order when the feature is enabled with almost none when disabled. Versions: MX67: 14.40 (branch) MX250: 14.39 (dc)
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09-17-2019
11:09 PM
Thanks @NolanHerring Noted - we are working on a plan for power and channels at the moment.
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09-17-2019
06:26 PM
Hi, Can someone please tell me what radio 0 is? We are attempting to tune our coverage, the event logs indicate power changes on radio 0. In radio setttings 2.4GHz = radio 1 and 5GHz = radio 2 Thanks Adam
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09-08-2019
02:45 PM
I was reading up on coverage for MR devices and came accross this, For long ranges, it's important to accurately place your access points on Dashboard. Geographic positions in Dashboard are used to tune radio parameters and improve performance. https://documentation.meraki.com/MR/WiFi_Basics_and_Best_Practices/Access_point_range_and_signal_strength_maximization Are they talking about making sure you select for example Australia?
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04-16-2019
11:45 PM
@TimBisel Just curious are you using Meraki where you have a control/plant network?
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04-16-2019
11:39 PM
1 Kudo
Hi, Pretty simple question i think.. Can you configure precision time protocol in Meraki switches somewhere? Thanks Adam
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04-16-2019
11:34 PM
Are both MX devices connected to the same device upstream on Internet1?
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03-26-2019
05:29 PM
Hi, I have a question around SDWAN policy in Meraki. Scenario: If you have your non critical VPN traffic over WAN2 (ADSL) and a performance class to fail this over to WAN1 (MPLS) should it hit 5%packet loss. Active/Active VPN with no default route selected on hubs. No internet flow preferences. Primary uplink set to WAN2. Internet flows out of WAN2 not over the VPN. Q1: If WAN2 has 5% packet loss and fails over to WAN1 would your internet traffic continue to go out of WAN2 or would that also fail to WAN1. Thanks Adam
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03-26-2019
05:20 PM
It would just be nice if the dashboard sent a simple email saying hey WAN2 or WAN1 has XX packet loss.
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03-25-2019
07:52 PM
We tried the Telstra nighthawk but had issues where it would fall asleep and disconnect WAN2.
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03-25-2019
06:14 PM
If you had non critical VPN traffic over WAN2 (ADSL) and a performance class to fail this over to WAN1 (MPLS) should it hit 5%packet loss. Would your internet traffic continue to go out of WAN2? Active/Active VPN with no default route selected on hubs. No internet flow preferences. Primary uplink set to WAN2.
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03-20-2019
10:54 PM
Hi, Has anyone found somewhere in the dashboard to create alerts for WAN Health? I see it is possible for web app health. Cheers Adam
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03-14-2019
05:27 PM
Have you come across any Cisco SIP voice issues in this architecture? @GreenMan
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02-26-2019
09:19 PM
I guess we have no way to know which tunnel the traffic is even using.
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02-26-2019
08:35 PM
Yes we understand traffic from MX65 outbound should come back through the same WAN interface. This is in a dual DC concentrator scenario and specifically talking about traffic coming from the DC concentrator to the MX65. What tells the concentrator to send traffic to WAN1 or WAN2? We notice some traffic coming over the WAN2 interface and some coming WAN1.The concentrator only has one interface active.
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02-26-2019
05:27 PM
If your mX65 has dual active VPN uplinks how do you control which interface the traffic comes over from the DC? You can dictate the outbound traffic for the MX65 but it seems you have no control over the traffic back or originating from the DC. Does Meraki have a secret SDWAN way of sending traffic to the MX65 WAN interfaces?
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