Cisco Catalyst Center
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2141 PostsActivity in Networking
redundancy in core layer
hi guys . i have a network with below topology. In the core layer, I want to have redundancy, which means that if the main core switch of my network has a problem, the backup switch will automatically enter the circuit. What method is there?
Resolved! I want to advertise only specific OSPF routes.
The route learned by OSPF from the LAN is re-distributed to OMP for publicity to other sites.I do not want to advertise the specific routes from OSPF. What kind of 'configuration' should we use ?I want to control this in the SD-WAN Router side, not t...
Setting a GRE tunnels between a NAT to a public IP.
Hi everyone.. i have been looking through multiple posts on the forum for similar cases but have not found the answer Im looking for.. I've been primarily using this thread for guidance. https://community.cisco.com/t5/networking-knowledge-base/settin...
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...
ASR1001-X Thruput only 750 meg Interfaces10G both sides -Circuit 10G
We have a Cisco ASR1001-X and it can only pass 750 megs of traffic thru it on a 10 Gig circuit. I looked at licensing levels and they seem correct. Anyone have any ideas of what I can look at? Both Lan and Wan interfaces are 10 gig and Wan is using S...
BGP-LS ; how is BGP-LS data processed in BGP RIBS
Hello, I am working on collecting BGP-LS SAFI using BMP towards Cisco's opensource project Jalapeno. I have captured packets between RR and Jalapeno on each use case to observer where we see BGP-LS and where we DON'T see BGP-LS packets. few use cases...
Cisco 2960X and 9200L POE support for Paxton
Hi,We currently have a mix of Cisco switches from 2960s, 2960X and now the 9200L. However we are having issues with our Paxton POE door controllers. The 2960s work with all of our Paxton ControllersThe 2960X up to hardware version 4 work with the Pa...
change Master Switch To slave in cisco Switch
Hello everyone, I have two cisco 3750 switches that are on stack with the below config Switch# Role Mac Address Priority State--------------------------------------------------------*3 Master 0017.5ae7.d500 1 Ready4 Member c062.6b8c.f200 1 Readyi wou...
Resolved! Switch not reliably forwarding DHCP requests
Hi, hopefully this is the right place for this question. We have a switch stack of three 9300 switches running IOS XE that handle networking for the office area. The office machines sit on a single vlan. DHCP is provided by a Linux DHCP server sitt...
Need a complete guide for WS-C2960X & how do i configure policing/qos
Where do i find the complete guide on my switch?This is the model number WS-C2960X-48FPS-L.The software version is c2960x-universalk9-mz.152-2.E3What I'm looking to do is limit how much bandwidth is allowed on an interface. The network at that site o...
Lost ARP Announcement Packet for Meraki MR30H Access Point
Hi,I have a setup with following components.* Cisco - Meraki MSS120-8FP Gigabit Ethernet Switch* Cisco - Meraki MR30H Access Point (POE)* GRMS Device with LwIp Stack* 2 PC with Windows 10.* My PC (Windows) to pingWhen I try to ping the GRMS device t...
Web Gui issues with C1121-4P router
I set up a C1121-4P router for a friend with int gig0/0/0 facing the ISP with ip address dhcp. int gig0/0/1 192.168.1.1/24. See attached sh run. Vanilla Configuration not much security or complexity. After a power reload the GUI "https://192.168.1.1/...
WebUi access for catalyst 3650
I am trying to access the WEB UI but it is giving me error:ERR_SSL_VERSION_OR_CIPHER_MISMATCHThe client and server don't support a common SSL protocol version or cipher suite.I am using client with Windows 2019 server OS.. Chrome Version 123.0.6312....
Nesux-FAN-Speed-100%
Facing FAN speed 100% issue in nexus Nexus 93180YC-EX switch.
ssh into a switch - no matching key exchange method found
Hello all, I have inherited an infrastructure with several catalyst 9200 switches. A few of them are unreachable when using ssh from a terminal, such as a linux server or Powershell. The error message is this: Unable to negotiate with <IP ADDRESS> po...
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