Cisco Catalyst Center
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2149 PostsActivity in Networking
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...
[Selcuk TV] Monaco FB Beko maç izle! INAT TV
MATBET TV AS Monaco FB Beko selçuk tv maç izle inat taraftar.um24 link maçı ne zaman, saat kaçta===>>>> Monaco FB Beko izleBasketbol Haberleri Yayın Monaco FB Beko maç izle! Monaco Fenerbahce Beko, THY Avrupa Ligi play-off çeyrek final serisinin ...
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...
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...
Help with dynamic routing
Why I cant send packet to same vlan on the different router ?
VLANs cannot access internet
Dear all,I am configuring a network cfomposed of 4 VLANs with the following devices:- NetGate 6100 Firewall- A Cisco 2951 Router- Ciscon 2960 SwitchVLANs and DHCP were configured on the 2951 router.Note that NAT function is handled by the Firewall.Af...
Resolved! Best practice lan configuration
HiI have 4 Cisco 2960 switches and 3 unmanaged switches. All are connected via fiber cable to a core switch 4503-3 and it is connected to a VPN router and internet router. (still don't have access to the routers yet)I know I have to replace the unman...
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