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Hi, I have a some ikev1 ipsec tunnels to remote locations and we are replacing our 3945s with 8300s. The issue is that we are currently using a ipsec transform-set with both ah and esp. IOS-XE does not support that. The goal is to configure the re...
Hi all, Like many I am trying to stop the DOS attacks using ntp mode 6 control. We do have ACLs configured to guard against this attack however, the vulnerability scanner that our organization uses still shows it as an open. I know there is the co...
Hi all this is my first time asking a question on here, but I have used other answered questions enough to trust in the comments from here.Issue Breakdown: We changed a Routers IPs, lo0/Gi0/0, and Hostname via a modified startup config so the new con...
no your NTP synchronization will not be affected by disabling NTP Control Packets. All NTP Control Packets were designed to do was manage your network devices before SNMP/SSH/TELNET were even things. Nothing should be using the NTP Control Packets ...
Hello All, Thank you to Georg Pauwen and balaji.bandi for trying to help me find my answer. It took me a long time to find this and now that I have I’m a little upset and despondent that others haven’t found the same. I hope others ...
Hi Balaji, Thank you for your response. The devices in question are our external routers, CISCO3945-CHASSIS, utilizing a C3900-SPE150/K9 Performance Engine and running IOS 15.7(3)M8. Below are my redacted NTP configs.sho run all | i ...
Hi Georg, Thank you for your response. That is exactly what I am seeing in my research of this problem. My question though is: If this can be remedied by simply inputting the command "no ntp allow control mode", then why is it still an issue? Wh...
