Cisco Catalyst Center
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2153 PostsActivity in Networking
Cisco SFP-10G-LRM module
Is the Cisco SFP-10G-LRM module compatible with OS3 fiber?
Trunking an ip addressed inside interface on Firepower 2130
My network endpoints use the IP addressed vlans on my core cisco layer three core switch as their gateway addresses. i.e.- vlan 11 endpoint address 192.168.11.3/24 with gateway 192.168.11.1/24 (vlan ip on core) and vlan 12 endpoint address 192.168.12...
AAA question: enabling the device to allow user- or group-based access
CCNA study question. is enabling the device to allow user- or group-based access Authentication or Authorization?thanks
Removing Device Pack file from Prime Infrastructure
Hello.On the Software Update page of Prime there is one Pack which i can not install or delete because it is already included in another installation i did before. Now this pack stays on the page and i am not able to remove it. Does anybody know wher...
IP Access-Group on switchport - Cisco C1111 ISR Router
Hi all.I am attempting to add an access group to a switch port which is located in a C1111 ISR router but the command is no longer there when using version c1100-universalk9.17.06.03a.SPA.binMy-Router(config-if)#ip a?admission arp auth-proxy*******...
Application Policy missing from menu
Hi all,I installed application policy so I could configure QOS within DNAC. All was complete and the app policy section was showing but after leaving for an hour and coming back to it I can no longer see it as an option and cannot amend my config..Wh...
RSPAN only show ARP traffic
I've a live instants where I've setup a monitor session on a stacked pair of C9200 running 17.09. CAT9K_LITE_IOSXE. Monitor session passed through another stack of 2* C9300-48UXM and 2*C9300-12 also on 17.09 CAT9K_LITE_IOSXE.Then into a VM host where...
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...
Cisco 2960S not pinging, but has DHCP address
Hi,I am trying to set up an SSH connection to my switch, but right now there is some lower level problem. I have set up my FastEthernet0 interface to ip address dhcp and the command show interfaces FastEthernet0 shows the correct address. Even if I t...
Packet Tracer "Server reset connection" when accessing webserver.
Hello!I'm trying to configure a network which uses PAT, and access-lists in order to restrict the access to the webserver only to HTTP. What am I doing wrong? The browser keeps throwing me back with "Server reset connection."Also, in simulation mode,...
MST convergence takes 5 seconds
Hi,I have been testing MST in my lab which has 3x Cisco Catalyst WS-C2960CG-8TC-L switches.I configured only MST and LACP on each switch and connected them in the ring topology. Test is to see how much time it takes for convergence in such conditions...
Repeating syslog Message and then Crash
We're seeing a continuous string of the following messages on a 9407 running 17.9.5. Eventually the switch crashes. I can't find any info on what these messages mean exactly and whether we're looking at a software or hardware fault. The supervisor...
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...
DNAC Backup failure
Hello I have the below issue when trying to backup on DNAC, please assist BACKUP.PREPARE_BACKUP FAILURE DataValidationError BACKUP.maglev-system:credentialmanager FAILURE BACKUP.fusion:postgres FAILURE BACKUP.maglev-system:glusterfs-server FAILURE B...
2960-CG IGMPv3 Snooping minimal
On my Cisco 2960CG running 15.2(2)E10 when I run command show ip igmp snooping detail, among other things I see that IGMPv3 snooping (minimal) is enabled. Why is this feature called minimal? What is missing from normal v3? Is there any official Cisco...
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