Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2149 PostsActivity in Networking
funciona no switch CBS250 para comunicação via trunk
Hoje temos um parque completamente formado por switches Cisco Catalyst série 2xxx, 3xxx e um core série 4xxx. Conseguiremos interconexão de um modelo CBS250 com um Catalyst usando trunk? O protocolo VTP irá funcionar?
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...
How to tell in real time packets are being dropped
Hello, I have a 9300 switch that is on interface 11. This interface is connected to a windows machine and it looks like its packets are getting dropped. Is there a trace or some tool that can help me watch port 11 in real time? To see if the packets ...
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...
Extended ACL inbound and outbound
Good morning friends,I have created two extended ACLs for in and out of my int vlan and applied it under int vlan for both directions inbound and outbound. I have created ACLs entries like this.For int vlan no. Out1 permit ip 10.1.0.0 0.0.255.255 hos...
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'...
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...
Resolved! Configuring NAT overload with vrf lite on a CAT9K
Good day;Need help with how I can configure NAT overload with an existing vrf on a CAT9K_IOSXE V16.12. This is what I am struggling with, I currently have a vrf called AWSDX-S3. Now what I am trying to do is I have added a L2 SW and ran trunk ports...
switching
hello every body what is the differentsfp-10/25g-lr-s (10-3251-01) and sfp-10/25g-lr-s (10-3251-02)
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...
How to copy Cisco C9300L IOS and Bootstrap to USB drive
I accidentally bricked my Cisco C9300L switch and no longer has IOS or Bootstrap. Can I save copy of IOS and Bootstrap from my other Cisco C9300L switch and save to USB drive? Then copy images onto the switch that is inoperable?
TAA compliance verification
We would like to purchase a cisco switch which need to be under TAA compliance. Please provide the TAA compliant statement (document), if the below mentionedCisco IB-C9300-48T-A and IB-C9300-24T-A is under Trade Agreements Act (TAA) compliance.
CVE-2024-29990 DNAC/Catalyst Centre
This CVE has just appeared on the radar and we've got some customers with DNAC/Catalyst Centre asking questions about it. I've had a search on CCO and on here but I can't find any references to CVE-2024-29990. It maybe this is just specific to Azure ...
destination address is the broadcast address within matched route
Please see attached pic. In this question, the destination address 10.0.1.15 matches the route in the routing table. But it's the broadcast address within that range. Would the packet still be routed with that route?what would the next hop be? 192.16...
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