Networking

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Cisco Catalyst Center

This community is for technical, feature, configuration and deployment questions. For production dep...

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NFVIS Solutions

Join peers and Cisco experts to discuss Cisco’s Network Function Virtualization (NFV) products and s...

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SD-WAN and Cloud Networking

Join this community to interact with your peers and Cisco about SD-WAN and all things related to sec...

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Switching

Discuss Catalyst brand switches with peers and experts.

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ThousandEyes

Join us for information about our use cases, common troubleshooting, discussions, getting started gu...

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Activity in Networking

DNA 2.3.3.5 - EoX Status

Hi. I was wondering if you could help me with a query I have regarding the new version of DNA 2.3.3.5. And it is that, since I updated to this new version in a DNA in production, in the inventory part it shows me a new column of "EoX Status” If I pu...

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Puzzling results when pasting in ACL config to switch

Hello, I was creating 2 decently large ACL's to match some traffic today and I noticed something peculiar that has me puzzled. My first ACL has approx 90 ace's and pastes them fine. When I go back and look at the ACL, it looks like there are only lik...

Resolved! Cisco 9300X Static routes don't work to SVI Tunnels

NOTE: I have done the same test setup with 4000 series routers, and routing works fine.I have successfully setup 3 SVI (Static Virtual Interface) tunnels with IPSEC between 2 9300X switches.- I can ping the tunnel IPs- I can ping each VLAN interface ...

cEdge lost connectvity to vManage

In my environment we have multiple cEdge devices, 1 vManage, 2 vBond and 2 vSmart.Due to some reasons one of the cEdge devices lost connectivity to vMange. Not sure of the exact reason.But would like to understand, will there be any impact due to thi...

RS19 by Level 4
  • 396 Views
  • 10 replies
  • 1 Helpful votes

vManage SDWAN PCAP scripting help.

Good morning all!I am working on a project on our SD-WAN. I am new to SDWAN and vManage and was asked to look into possibly scripting some packet captures over a period of time. Our SDWAN consists of several IR1101's and they can only be managed via ...

Resolved! mac flapping

Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1/1/2Apr 16 04:14:35.390: %SW_MATM-4-MACFLAP_NOTIF: Host 001b.0907.fe0e in vlan 11 is flapping between port Gi1/1/1 and port Gi1...

Resolved! Embedded Packet Capture failing to export

I am using the Embedded Packet Capture feature on a C8200L-1N-4T router.I have the capture and need to export it to our TFTP server.When i run the following command:8200_RTR#mon cap DMVPN export tftp://192.168.1.146/Community.pcapI get the following ...

KMNRuser by Level 1
  • 612 Views
  • 8 replies
  • 0 Helpful votes

MTU for SVL

Is it necessary to change the MTU for SVL links in a scenario in which interfaces are configured with MTU larger than default 1500 bytes?Traffic could flow between chassis through SVL links in a Stackwise Virtual cluster. Could not find any reference...

ckuwajima by Level 1
  • 36 Views
  • 0 replies
  • 0 Helpful votes

Resolved! PBR VS CONNECTED

hello. I understand that Connected routing has an AD value of 0. The IP bands on the 1st and 2nd floors are different. 1st floor: 1.1.1.0/242nd floor: 2.2.2.0/24 There are two firewalls on top of the backbone. The band will be 3.3.3.0/24. If you conf...

김선명 by Level 1
  • 224 Views
  • 8 replies
  • 0 Helpful votes

Unable to ping between two tunnel points

Hello, I built using the packet tracer a simple topology of three routers with ospf routing. I created a tunnel between the two routers that are not physically connected to each other, but I can't ping between one end and the other. I managed to ping...

Cisco 2921 for home use

I'm having problems setting up my home network using Cisco2921 for the first time. It has the basic licenses only. Below is the running config followed by my adapter settings. Any assistance would be greatly appreciated. Thank you.Current configurati...

L2VPN Over GRE

Hi I'm trying to extended a L2 segment using MPLS L2vpn over GRE. I am able to establish the tunnel and get ospf and mpls adjacency also the xconnect between the peer is up but my 2 test pc cant reach each other. This is my PE3 config.interface Gigab...

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