Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2180 PostsActivity in Networking
Cisco SFP-10G-LR compatibility with C9200L-48P-4G-E
Hi guys, We are upgrading our switches from 2960XR to C9200L-48P-4G-E. On one location we have a SFP-10G-LR with a fiber connection to another router. Do you know if we can use this module on two C9200L-48P-4G-E.Thank you for your help. I used the co...
RIP routing table not loading routes.
Hi Guys n Gals,I am having a bit of trouble with an assignment I am doing in packet tracer.I don't have the files handy until the eve, so will send pics/files later if required.My problem is that I have an access router connected to 3 separate cluste...
Resolved! Why my Client PC Failed to chatching DHCP?
my Client PC Failed to chatching DHCP and cannot connect to server...
Connection between C3650C and Esxi Serves
Hello folks, I have 3 Dell R430 Esxi servers, 2 C3650C switches and a 2811 router, and I want to use them to build a vSphere virtual Lab environment. The approximate network structure is: the two network cards of each R430 are physically bound in the...
Module C6800-8p40g
Just need to know if this module is hot-swappable? Thank you
Is QoS needed at the Distribution layer (On two C9500K Stackwise)
Hello! I was wondering if I could get advice/input when it comes to QoS at the distribution layer of a network topology. Here's a high-level of our network topology.Soon to deploy two Cisco C9500k in a Stackwise HA configuration. It will have about 1...
High CPU usage in my Cisco 2901 Router
Hi.I'm a student and an admin of a network around 200 computers.Our network have a cisco router 2901 that have configured a NAT and a DHCP services.Monitoring with PRTG we have notice that sometimes the CPU usage of our router reaches close to 100% u...
MTU on subinterfaces
So normally a standard interface has an MTU of 1500.When creating a sub-interface on a router (or using an SVI on switch), should the MTU be manually lowered to 1496 to account for the extra 4 bytes?Everything just seems to work without this, so I am...
Why can't I clear dynamic mac-addresses on my WS-C3750G-24TS switch?
Hi, I want to clear some dynamic mac-addresses from a particular interface, and will settle for clearing all dynamic mac addresses, but my switch won't let me. We have a WS-C3750G-24TS running v12.2, and although it accepts the clear commands, it doe...
Resolved! Cisco Routing - routes in routing table, no connectivity
I'm setting up a network (see image) and the issue I'm having is that I can see the redistributed routes in the routing table of R1 and R5, but I can't ping to them. When I try to ping 2.2.20.2 (R2) from R5 it's doesn't work, I can ping from R4. Sa...
Resolved! RIp not working
Hello! I am a student at college and i need some help with setup RIP.It is necessary that the network of the entire project be 197.10.19.0/24.Since I was constantly experiencing overlap when using it, I changed the subnet mask to 28.No matter how muc...
ASR BGP problem
the router looks fine and show ip bgp is correctR2 can't reach ISP by going to R1 to ISP*******************************************************************************************************R1no license smart enable!!spanning-tree extend system-id!i...
SOME DIAGNOSTIC COMANDS FOR MY NEW C4507
Hiiiiiiiii I have some new equipment, WS C4507R+E and i would like to have some diagnostic commands, hardware, software, CPU, even modules and supervisors, just to certify that everything is fine... Can someone helpme with some CLI comands plx?
Resolved! Difference between Default-originate and network 0.0.0.0 in BGP
Hello, Please i need someone to clarify what is the difference between the "default-originate" command and "network 0.0.0.0 - ip route 0.0.0.0 0.0.0.0 null0" commands. I see both are serving the same purpose by advertising a default route to a pee...
vBond routing from WAN Edge
So if you have 2 transports from the WAN Edge, must it have ECMP to vBond in order for vBond to detect the public and private IP of both transports?Say for example you had an MPLS and Public-Internet TLOC. The Public-Internet TLOC is (unwittingly) re...
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