Networking

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Cisco Catalyst Center

This community is for technical, feature, configuration and deployment questions. For production dep...

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NFVIS Solutions

Join peers and Cisco experts to discuss Cisco’s Network Function Virtualization (NFV) products and s...

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SD-WAN and Cloud Networking

Join this community to interact with your peers and Cisco about SD-WAN and all things related to sec...

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Switching

Discuss Catalyst brand switches with peers and experts.

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ThousandEyes

Join us for information about our use cases, common troubleshooting, discussions, getting started gu...

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Activity in Networking

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...

limex by Level 1
  • 61 Views
  • 4 replies
  • 0 Helpful votes

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...

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...

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...

cwasilak by Level 1
  • 111 Views
  • 6 replies
  • 0 Helpful votes

NTP and Syslog packets with specific IP Address

Hi All,I have a couple of C9300 L3 switches that are connecting to an ASA firewall. The NTP and the syslog server for the switches are located behind a firewall.When one of the switches request/send packets the gateway IP is the source address on the...

Ranjita by Level 1
  • 131 Views
  • 9 replies
  • 0 Helpful votes

Resolved! Catalyst 9500-16X

Hello everyone,I am a student, and for a paper i am doing i was wondering if Catalyst 9500-16X was able to do VPN IPSEC as a client, connecting to a cloud VPN IPSEC server. The use case is a Collapse Core topology and i would use 2 C9500-16X as the c...

Resolved! 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...

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...

copy xmodem initializing no transfer c2960

Hi Guys, i had this problem for 8 hours now and can't seem to get it cracked... after i input the command copy xmodem: flash:c2960-lanbasek9-mz.152-7.e9.binand using the SecureCRT going to Transfer > send xmodem I get this and after that nothing happ...

Catalyst center backups

HiCan I jusy clarify some backup information please?  The automation only backup is what you would restore if your cluster went awol and you are recovering all your fabric info?  Device configs, hand offs, port allocations, L2/L3 VN info, SGT matrix ...

KevinR99 by Level 1
  • 52 Views
  • 1 replies
  • 0 Helpful votes
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