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 ...
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
So normally a standard interface has an MTU of 1500.When creating a sub-interface on a router (or using an SVI on switch), should the MTU be manually lowered to 1496 to account for the extra 4 bytes?Everything just seems to work without this, so I am...
the router looks fine and show ip bgp is correctR2 can't reach ISP by going to R1 to ISP*******************************************************************************************************R1no license smart enable!!spanning-tree extend system-id!i...
Hello, Please i need someone to clarify what is the difference between the "default-originate" command and "network 0.0.0.0 - ip route 0.0.0.0 0.0.0.0 null0" commands. I see both are serving the same purpose by advertising a default route to a pee...
Hello all,I made a network for a college project in packet tracer and everything should work i think... But i cant get my laptops connected to the dhcp server and get the APIPA is being used error. I dont know what to do anymore. It has to be DHCP an...
Hi everyone,I have 2 Aruba GWs and 2 L3 cisco switches with their respective VLANs and Network subnets.Both GWs are active and each cisco forwards traffic to it's respective GW.I want to achieve a dynamic traffic failover (ospf) if one of the GWs wou...
Hello everyone, We have a couple of Cisco routers working fine in a DMVPN multi vrf topology. We have recently installed a 3rd router, which will replace one of the previous ones and we are unable to make it work through the VRF (it works as expected...
If I have Site A and Site B:Site A has Border switch that sending prefixes over eBGP peering and multiple eBGP peerings for separate VRFs to the Cisco Routers and that Cisco Router connected via dark fiber with Site B FW (lets say palo alto)What will...
I don't deploy multicast often so I wanted to ask about MC configs as a sanity check. I have two Palo FWs each with a layer3 interface/gateway for separate servers. The FWs are two L3 hops away from each other. There are two L3 Catalyst 9300 switc...
Hi Team, Could anyone please help to confirm if the FLSA1-1X-2.5-10G= (2.5G to 10Gbps upgrade License for ASR 1001-X) is AEOS or not? If yes, what is replacement product for the same? ALso let me know if this is a perpetual license.
Hello,I have a switch I am unable get a prompt on the console port.I can SSH to it, and have confirmed that the baud rate and stop bits are correct from the console switch. There are two other switches that I can console to.The differences are that t...
Hello Cisco community, i've got a weird problem. I have a server "A" connected to Gig2/0/16 as an access port (VLAN28) to my Catalyst C9300 switch (Two stacked switches). I can ping the device from within the switch. The switch has an SVI configured ...
I want to be able to source an alternate L3 interface for traffic destined for the internet, specifically for checking in with the Smart Licensing Portal and Meraki dashboard, sourced from a Catalyst 9300 that has non-routable addresses configured fo...
Hi all,I am setting up many Starlink antennas, and realizing that they have a fix IP address that is very often the same one of the gateway setup in the company.I see many companies setting up dedicated network for the Starlink antenna and then migra...
