Routing and SD-WAN

Background: we have an existing VPN ("Provider VPN") that provides an mpls vpn to connect various 10.20.0.0/16 networks to our core router, a Cisco 3825.  The routing protocol the provider has in place is BGP, and the BGP routes to these remote netwo...

Hi Guys,Was just wondering if we can segregate users using subnets and not vlans in cisco switches?We have few groups we want to segregate onto different subnets, but  don't want to use Vlans. Apparently I have been told that vlans do way  too much p...

hi everonei need help, i configured this lab below but it seems that i have problem in routing between vlansI lost some packets when i tried to ping between vlans,any solutions?

I am configuring ip sla for isp failover/failback between two isp's connected to an isr.  What would be a good target to ping for the failover/failback between the isp's.  When i tried just the isp next hop, I did not have any response to dirty circu...

I have a Cisco 2801 with dual ADSL WAN connections, PATing to a network hanging on the fa0/1 interface. From the server connected to the router (hanging off of the fa0/1) interface, I can ping any address and there are no issues. But from inside the ...

hi, i have router on which nat is enabled and it gives error " gigabitethernet 0/0 the fragment table has reached its maximum threshold 16" what does it mean and what is the solution.Thanks

Just wondering what options I have when trying to load share traffic across 2 ISP's from a multihome router that only accepts default routes, the goal is to utilize links from both ISP A and ISP B, any suggestions?

I have a Cisco 2921 router with 3 ethernet interfaces. E0/0 is has just been setup to commuicate on secondary ISP. E0/1 is configured as the interface that connects to my firewall. E0/2 is setup as my default route and all traffic goest out this inte...

OK, I'm fairly new to this, as my company just let our network admin go a while ago. Recently they bought a new Cisco 2911 router and told me that they want it connected to an outside WAN connection that they hadn't used in a while so they could crea...

Hi all,I currently have a situation where my company has tills that point to an internal ip address but due to us outsourcing a particular function, require that ip address to route to an internet address. The address on the tills cannot be changed s...

HI all,  I am having one DSL link and internet is working in it. I need to do static natting with my internal IP. 10.100.2.25/24Please check the diagram of it: