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Hi. I recently attempted to update 2x C9500 in SVL via DNAC from 17.6.4 to 17.9.4. It initally looked to be progressing all ok with being distributed then activated on each unit. DNAC then stated process had failed. I manually checked switches via CL...
Hi, I'm trying to prefer R2 route for the multicast traffic (without using static mroute) from R1 (receiver) to R4 (source):Receiver (R1): 10.10.10.10Source~(R4): 10.0.45.5I'm completely new to multicast and still trying to understand how it works b...
Sometimes I see packet loss when pinging from a cisco switch but not from a windows machine connected to the same segment (right behind that L3 switch) pinging the same destination. Any reasons why this could happen? Frin Windows
HelloAfter I have setted every policy on the switch and everything is working fine through an ISE authentification via dot1x, now server cannot reach its gateway in order to give IP DHCP addresses to the hosts on VLANs!Can anyone help me please
Hi, I'm getting strange issues when I cannot bring up the tunnel between Cisco Router and Palo Alto FW,On Cisco router side I'm getting this on debug IKEv2:==================================================================*May 10 06:34:55.253: IPSEC:...
I'm running vManage 20.9.4.1 in EVE-NG, and every time I power-on my virtual topology, the vManage doesn't work after it boots.DTLS tunnels do form from vManage to the vSmart/vBond and Edge Routers, but vManage can't actually send any commands to the...
We have several remote locations with their own L3 switch that we use for routing. Some have direct fiber to our central core others uplink via another router and use VPN to tunnel back to our central office firewall.Edge switches at these locations ...
I can't seem to get an SR policy working between IGP domains using a PCE controller to guide the traffic. My topology is as follows (full configs attached): R1, R2 and PCE are in one ISIS domain. ISIS level-2 point-to-point is running and exchanging...
Hello, I've upgraded my Catalyst to the latest firmware avaliable. But after that the webpage stopped working and I see this Javascript error when trying to see "Port Status" or other pages. Do I need to configure something for this to work? Switch...
cisco 9500 layer 3 switch in the head office and C3560CX switches in 5 branch offices. ISP gives an interface to the head office, both data vlan and internet vlan. I want to establish macsec between the branches.can anyone support me in macsec setup?
Good afternoon!I'm just starting with the Networking Essentials Course and my instructor told us to download Packer Tracer and go through the three courses to learn how to work with it. I'm in the 'Getting Started Course', at the 1.1.2 Video, trying ...
Hi,I need to create a GNS3 lab for internet access via the router inside a Win10 VM. For that, I used a NAT cloud, and that was okay. However, with NAT, I could not access the router's IP from the hosted laptop. Therefore, I tried to use the cloud. H...
Hi to all,i am facing the following problem, please refer also to the png attached (i also have some information on the png attached).An IPsec VPN 2811 router tries to establish an IPSec vpn with an FTD. I have setup this config on the lab and i noti...
[Edited on March 16th to add details]HelloI was a bit confused about the traffic ports used by mobility on WLC AireOS or IOS-XE.Trying a quick review of traffic ports used by mobility :AireOS IRCM other than 8.5 IRCM or 8.8.111 and latersince this do...
Hello, I am currently testing the IPSec Ikev2 VTI Based (routed-based) interworking of FPR2110 and 3rd party equipment (Fortigate) running ASA OS 9.18(3)56 as shown in the picture above.I understand that in the process of creating a Tunnel interface...