Routing

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...

hi all ,I am upgrading 6500 switch from old ios to new one and the new one requires 512/512 memory to be free below is the show ver and sh sup-bootflash , please tell me how is it calculated as well thanks Suhailsw-cta2-i8-off>sh verCisco IOS Softwar...

Hi, All of the tunnel on our router has high value on MTU (17000++ bytes). Here is one of the tunnel: sh int Tunnel65:Tunnel65 is up, line protocol is up  Hardware is Tunnel  Description: ipsec vti to sgsineqnix-gw-2  Internet address is 10.255.255.6...

Hello All, I have a 3945 router with a HWIC3-4T1/E1 card installed.  I am trying to turn up a Multilink, 2 T1 bundle, but I am having difficulties, thus I am here.  The LEC states that the SmartJack is good to go.  The LEC has been to the site and ve...

Hi guys,I am a routing technician working for a ISP, Customer has there own /24 IP block [yy.xx.xx.xx/24] directly from ARIN. And wishes to subnet that into (2) /27 IP block for two different site location.   That would be facing two differnt interfa...