Routing

Hello all,I have the following scenario:2 CPE routers are interconnected through a link in which there is configured iBGP.both of two are connected to LAN and HSRP protocol is activated.Each CPE is connected to a different ISP (eBGP session activated...

I have a problem with a simple topology. WAN remote prefixes are learned through BGP from MPLS provider and through EIGRP over VTI through the Internet that acts as a back up for MPLS. The router normally chooses BGP routes for lower admin distance w...

We are constantly having DHCP problems on our network.  The problem is not with the network tranports, it's with the system admins who maintains the DHCP server (scopes).  Is there a way that I can stimulate a DHCP relay on a network to a remote dhcp...

Dear Team,How to enable or check loop on ethernet interfaces as we do in serial links for testing the connectivity between end to end on point to point links.when do we use the loopback internal command.Thanks in advance.Naveen

Is it possible to have a Router acting as Group Member and Key Server at same time?What are the requirements for the Key Server?                  

My company has 3 sites with point to point connections. These are configured on the routers as layer 3 interfaces. We want to extend a couple of VLANs (VLANs 10 and 20 at site 1 and 2, (VLANs 30 and 40 at site 1 and 3) and we will also be virtualizin...

Let me start by saying I am not an expert in configuring Cisco routers.  I'm trying to figure out what service or what I have enabled in my config allowing the open ports on a 2901 cisco router. The router is a passthrough to a firewall so I do not w...

Hi Guys,I have a Cisco 2821 with two serial interfaces bundled using PPP multilink. I want to monitor traffic flow (net flow) on the multilink interface. I have tried configuring ip route-cache flow/ ip flow ingress / egress but no luck.The other thi...

                   Hello ,  I setup a lab scenario for IPSEC remote access using Cisco client under GNS3 , the topolgy of my lab is quiet simple , we connect router to my loopback PC card and cisco client use preshared key to establish session to rou...

Hi All, Need your help on configurationAt the remote branch we have a MPLS Router,Juniper Firewall  and  two distinct networks Corporate MPLS networks --172.25.18.1 and 172.25.19.1Guest network for Clients -- 192.168.5.1I need to get internet link co...

On one of our gigabit interfaces we see output drops, the traffic is comming from a TenGig interface. The outgoing gig intface has a 5min avg load of 300-500Mbit. When i set the snmp monitoring to 1 sec avg i see some micro bursts. So output drops co...

Is there a recommended number of GRE tunnels that Cisco 2921 ISR router with default configuration (512MB DDR2 ECC DRAM) can support?         

Hi All,I have the above config in a 6509-E chassis with X2 Cac-3000 psu's The problem i'm having is when everything is powered up it runs fine for about 10minutes then reloads the switchThe 6748 has a 6700-CFC installed the only way i have managed to...