Hi all,I’ve a design related question!Is the following solution feasable?A SD-WAN router is connected to the ISP via a public /30 IP subnet; the router's WAN interface is used with the IP out of this /30 to establish the tunnel! So far so good, while...
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If both Graceful Restart and BFD are enabled, is it correct to understand that this combination does not provide the benefit of rapid detection offered by BFD?If BFD is not in use, is it correct to assume that there are no particular issues even if G...
Resolved! BFD/BGP Cisco Nexus9k and Juniper MX204
Hi,I have a BFD and BGP session between a Cisco Nexus 9k and a Juniper MX204. BFD and BGP are both up and running. For redundany we have another BFD/BGP session on another 9k and MX. When i shutdown the L3 subinterface on the Nexus9k, on the Juniper ...
Resolved! Break sequence for C8500-12x
Hi All,I am locked out of a Cisco C8500-12X and trying to perform password recovery. I have physical/direct console access, but no CLI access because the router stops at the username/password authentication prompt.Device details:Platform: Cisco C8500...
I want to understand when migrating existing Cisco SD-WAN environment to the UX 2.0 framework (Configuration Groups and Policy Groups). This will involve moving device templates, centralized control policies, data policies, and localized policies.Con...
Hello Community,Can you please help me to understand how FCS and IP checksum work? If I understand correctly, when frame is received by L2 Switch, switch checks FCS of that Frame (but only if switching mode of the switch is "store and forward", which...
I am currently working on implementing a small-to-medium SD-WAN environment, where all edges will have a single public TLOC. I wonder if anyone has any experience with transporting existing Tacacs, NTP and other services from existing IT infrastructu...
Just wondering if anyone had done any testing with HTTPS inspection on MX? Interested in knowing how it impacted performance as well as any other gotcha's.https://documentation.meraki.com/SASE_and_SD-WAN/MX/Operate_and_Maintain/Content_Filtering_and_...
This seems like a weird one to meWe have the following setup WAN1 __________ ROUTER 1 __________ internet 1 /MX 1- \ WAN 2 __________ ROUTER 2 _________ internet 2during normal operation - from the internal network we can access both devices from 10....
Trying to find out if anyone knows of the documentation that would list out differences between ACL operation on a router versus a multi-layer switch/SVI.The specific issue: inbound ACL applied to an actual router/router interface (untagged or tagge...
Resolved! MPLS Control Word - Fragmentation
Hello, everyoneI have a quick question. One of the use cases for the MPLS control word is fragmentation."The fifth reason for the control word is the correct functioning of the fragmentation and reassembly of the frames. The PE routers can indicate w...
Hello, everyoneI have a question about how the control word ensures proper load balancing in an MPLS core." Routers can perform MPLS payload inspection to determine what the payload is. Based on the type of payload, the router can decide how to load-...
HiI have two vMX-M deployed into Azure in mid 2025. They replaced an old VMX100.I am documenting procedures around DDOS and an emergency need to change the public IP of the VMX. We have Azure DDOS protection but I am tasked with planning for the very...
Resolved! L2VPN EVC Services and Options
Hello, everyoneI've been studying EVCs for the past few days and there are a lot of things that you can do with the received VLAN tags. You can pop a tag, you can pop two tags, you can push tags, and even translate them.I've used all of these options...
Hello everyone,I am building an enterprise network in Cisco Packet Tracer 8.2.2.0400 and I encountered a repeatable issue when enabling OSPF directly on GRE tunnel interfaces.The GRE tunnels are operational and their destination addresses are...
