Routing and SD-WAN

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Welcome to the Cisco Community Ask Me Anything EventWe invite you to participate in our Ask Me Anything (AMA) conversation. Please submit your questions from Monday, June 1, 2026, through Tuesday, June 30, 2026. Our experts Ashwin Murali (Engineering...

For lack of better wording, how do I make a router invisible? I see the carriers do it all the time. When a tracert happens, I want no IP to show up but continue on so that it will eventually get to its destination.

sjamison by Level 3
  • 15505 Views
  • 35 replies
  • 0 Helpful votes

Good Day,Looking for a recommendation to deny inter-vlan routing on the MX using Layer 3 firewall rules. In this case I created a rule denying all RFC1918 subnets in source and destination, and put that above the default allow rule. This way outbound...

Hello, Team,I want to connect the PCs in VLAN 10 to the PCs in VLAN 40 through two Layer 3 switches on which I have configured EtherChannel 3. But the communication fails.Please find the architecture in the attached image (at the bottom of the page)....

Architecture.PNG
taonrez by Frequent Visitor
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  • 12 replies
  • 1 Helpful votes

Hi! I am working on converting our current Cisco SDWAN network from Device Templates to Configuration Groups.What I can't seem to understand while playing around with it, is wether or not all devices using the same Configuration group need to have th...

pakinbaos80 by Community Member
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  • 4 replies
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HiCan someone on the back end disable IPV6 on the WAN interface? I called TAC they said no, but I am finding info otherwise.I need it disabled & the ISP can not do it in bridge mode on the modem.Thanks 

Jayt1 by Community Member
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  • 1 replies
  • 0 Helpful votes