I want to configure ntp servers for my 5ks and 7k. I have 4 ntp servers. Would my set up be as follows?: switch(config)# no ntp server 10.X.X.X prefer use-vrf management (REMOVES_OLD_NTP_SERVER) switch(config)# ntp distribute switch(config)# n...
Hi community, I have a query regarding traffic shaping when using the C3850-XS. We have a 10Gbps connection between two locations. Between the two locations the connection will be configured as a 'trunk'. And we will be using Vlans/SVI's between ...
Esteemed Cisco Community, I have two identical Catalyst 9407s with IOS 16.9 Fuji. This IOS is the first to support StackWise Virtual (SWV) on the 9407 hardware. My licenses support SWV. I have taken my first foray into this marvelous new world, ...
Weirdest thing. Two 2960x connected via L2 port channel. 4 members of vlan 32, 2 on each of the two switches. Three of the four can ping each other. The last device can resolve the correct MACs for the others, but no pings work to the other three dev...
Hi, We currently have about 60 C3560 switches and about 300 desktop machines that have port-security applied to them. For a few weeks now we have been experiencing random port lockouts due to an rogue mac-address and for the life of us we can't f...
Not knowing capitalization counts, I was trying to change the switch number in ROMMON. I typed in set switch_number=1. It added it to my set list. How do I remove it? I tried unset but I got an error that said it doesn't exist or is read only.
Having issues on a system I am using for class its a 2 client 2 router a switch and a web server system. right now im trying to configure PAT on router 1 and then from client 1 ping a serial port on router 2 through router 1. the ping is successful ...
Dear All, PLease help me: I would like to know DMVPN and Point to Point (IPSec) can run in one router ? I mean two type of VPN can run together ?If i will use GBP for DMVPN ,how many RAM will need in minimum ?For BGP in DMVPN, my remote as is ISP AS ...
Dear all, @Our DHCP server is undergoing BAD_ADDRESS issue so we would like to disable IPDT feature on the switch but we found the command "ip device tracking" no longer existing on our 3850 switch, then how to proceed? Your prompt reply would be hig...
Hi All, Please could somebody let me know what differences are between VSS and Etherchannel ? From what I understand, I still need to configure a channel-group on interfaces for VSS anyway. The only difference I can see is that VSS creates a logi...
I have a 4500 VSS running. Port channel on both VSS switches to other floor switches. Now, I have to move the standby switch which in my case is Switch 2 to a different location (uplinks exist between current location and new location for VSS links...
We are currently having a problem with our high availability environment whereby the cluster loses quorum and all the VMs reboot when the CISCO master is power cycled. The relevant components in the environment are shown in the attached PDF file. ...
Hi, I have a customer that wants to order the N9K-C9508 and to deploy them in Japan. Their current PDUs have a C13 sockets. I haven't seen a power cord option that would be able to be used with this PDU. Does this PDU just not support the N9K menti...
every time i connect a cisco switch to an existing network of cisco switches, all the LEDs color become orange ,and the whole network goes down, then after a while reconnects again. all the switches are configured
This switch is running 3.2.2.SG and I was trying to upgrade to 3.8.6.E. Even though these are not ISSU compatible images I used ISSU loadversion to start the process on the standby supervisor. It never came back. It appeared to be stuck in a reboo...
