Hi, I have tried to configure Windows 2016 as NTP server to sync with Cisco swicthes and have modify the registry as per some guides, but no luck. i also installed third party NTP software Meinberg, but still no luck. Can someone please advise. R...
Hi, I have tried to configure Windows 2016 as NTP server to sync with Cisco swicthes and have modify the registry as per some guides, but no luck. i also installed third party NTP software Meinberg, but still no luck. Can someone please advise. R...
So I have a couple hosts that continuous pings (testing do to deployment issues) fail mostly from doing pings from servers. Just have a pair of 3548 Nexus in VPC domain (configured to be active active) and routing for the subnet hosts are in is done...
I have a new virtualized Coreswitch on top my current two Core switches. The new virtualized Coreswitch now has all physical connectivity to the WAN devices. Basically it's sitting in between the current routing Cores and WAN devices. I want to mig...
Hi,I wanted to know the purpose of "no exec" command in line vty configuration mode.RegardsSivakondala Rao
I saw from a article about the vlan cross. https://www.pluralsight.com/blog/it-ops/5-big-misconceptions-about-virtual-lans- ''Connecting together two access ports that are in different VLANs. Suppose SW1 has port Ethernet0/1 configured as an access p...
Good Morning, my customer bought those models of data center switches. My questions is: Cisco, for the 5672 provides an adapter that convert a qsfp 40g to a sfp 10g, so i can use my 10g optic modules on this switch. Unfortunately on the 2332, thi...
Hello everyone, I am managing a DMVPN infrastructure with two Hubs and around a thousand of Spokes. There is approximatively all Spokes "Tunnel 2" going to Hub2 UP and running well. I had move the HUB1 from a datacenter to another and since, i have...
Hello, I am aware that DMVPN can be configured without IPSEC (DMVPN with multipoint GRE) but not sure whether it will work without Security license on ASR 1001 series router ? Also I want to know whether "adventerprise" license on ASR 1001 alread...
Hello, running a network with 3850 switches in access layer with dhcp snooping an ip device tracking, we wanted to add arp ionspection for specific vlans. Finally stopped arp inspection rollout because of this issue: 6519: Apr 12 14:05:25.265: %SW_DA...
Hi I have enabled the intervlan in catalyst switch 3560 24PS but i m not able to configure VLAN ACl for few vlans which are already configured My question is in catalyst switch 3560 24PS can we configure the vlan ACL
I have replaced an old Juniper NetScreen device with an ASA. The ASA is connected to an ADSL modem and gets its IP via PPPoE. There are no issues with that. Unfortunately, it uses the ISP's DNS servers by default. On the old NetScreen device, I was a...
DAI invalid arp request Hello everybody!Faced a problem that I can not solve on my own. And on the Internet there is nothing on this issue. I hope for your help. So, In my network there are 5 switches with the same L2 security settings. The...
Hello, I have tried the fixes from the forum and I'm still having problems logging into the ios. I did the confreg 0x2142 etc and when done with other steps, I did the config-register 0x2102. Every time I do that, I still get prompt to type in th...
Hey,Just wondering if I can get some thoughts or solutions on the problem I am having with multicast routing. We have a DMVPN with on demand full mesh setup, and I am trying to route multicast traffic from spoke to spoke. I can recieve the multicast ...
hi, How I can calculate the switching capacity of NEXUS 7k? BR Abdul Karim
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