Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2149 PostsActivity in Networking
I need help to finish the ring on a Ring Topology please
Hi all. I'm new to networking and inherited a Ring topology network that was never connected at one box to complete the ring. It is made up of an LC Fiber ring of all Cisco 3750X switches all set up on the same VLAN. I am in no position to change the...
VLSM with Inter-VLAN routing
Hello,Studying for my CCNA and I thought I'd practice some basic configurations, such as router on a stick. I setup 4 PC's (each representing an imaginary number of hosts) each with a vlan attached to a switch leading to a router, with the link betwe...
Support Feature Cisco Catalyst 9k
At Cisco Live I was able to get into a lab where the advisor showed a feature that I cannot find any information on how to implement or use. It was quick example. On the switch you can enable a packet trace and actually watch the packet traverse from...
How to configure NAT on cisco IOS XE cEdge for L3 TLOC Extension
Hello Guys,Good Day !!Need your help and guidance on cli commands to configure the NAT for the Internet Link on cisco cEdge for the direct L3 TLOC extension (Private IP address) between the 2 cEdges.In vEdge we can simply config NAT enable under the ...
Interface configuration not showing logging events in running config
This is the standard template we are using for AP connected interfaces.interface GigabitEthernet 1/0/8descriptionXXXXXspanning-tree portfastswitchportswitchport mode accessswitchport access vlan 90logging event link-statuslogging event power-inline-...
Cellular Modem has been power cycled : NP
We have several C1117-4PLTEEA routers. With firmware:Cisco IOS XE Software, Version 16.09.02Cisco IOS Software [Fuji], ISR Software (ARMV8EB_LINUX_IOSD-UNIVERSALK9_IAS-M), Version 16.9.2, RELEASE SOFTWARE (fc4) Some of them work perfectly and some of...
Spoke stuck on IKE state in DMVPN
Hi,We have mGRE DMVPN tunnle between one Hub and 7 Spokes. Other 6 Spokes are working fine but one Spoke is not connecting to Hub.Spoke shows DMVPN on IKE state (tunnle is not working) and Hub is not adding nhrp entry in table.Spoke DMVPN TunnelPleas...
1921 Router Config Help
Hello, I know very little about configuring cisco hardware and need some help..... we are currently running an 1800 router and I obtained a new to me 1921 router and would like to replace the 1800 router with the newer one, I managed to get it factor...
Cisco SD-WAN prefix list & data prefix list update
Wanted to understand the best practices when updating the prefix-list & data prefix list in SD-WAN network.For example I have the below prefix-listlist_abc: 10.10.10.0/24This prefix list has been used in Centralized policy.I wanted to added new subne...
Ongoing Event: Capture the Flag, get the Badge!
You asked, we heard you! Introducing the ThousandEyes Support Community Capture the Flag event from April 23rd at 8 AM PST to April 29th at 5 PM PST. This month the ThousandEyes Community is offering two Capture the Flag missions in a single upcoming...
Resolved! Cisco SG350-28 LAG
Hi allI'm attempting to use 4 cisco SG350-28 switches connected around 100 meters apart. 3 switches will connect to 1 "central switch", each using a LAG (the far away switches are using SFP fiber modules). I have this setup and all seems to be workin...
IP routing using domain
The host for my current server (Windows Hyper-V machine with four or five VMs) that handles my email and web sites is going away. I'm planning on moving that physical server to my house and using DDNS to route that traffic in. Realize this is very lo...
SD-WAN Controller hosted On-prem || How vBond know NATed public IP
Hello Team,Please help me to understand: in hybrid scenario of Controller deployment, if vBond resides behind the NAT, and lets say cEdge on-boarding is done with the Internet as TLOC then as we know, vBond should learn both the Private and NATed pub...
DHCP relay with NAT, DHCP server sending DHCPOFFER to wrong IP
I configured NAT and DHCP relay in GNS3, and all hosts have end-to-end reachability, I can ping PC44 from PC11 and PC22, and also from PC33 if I configure a static IP address.On the NAT router (R11), I also configured DHCP relay with 'helper-address'...
vSmart Login Banner not coming before login promt on version 20.9.4
Hello Guys,Good Day !!This is very strange that : on version 20.9.4 the login banner is coming after the login prompt but it is perfectly coming on version 19.2.31 i.e. before login prompt.Would you please help me to fix : i am on version 20.9.4Early...
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