Routing

On 7609, we continue to receive log messages "host xxxx.xxxx.xxxx in Vlan 19 is flapping between port and port" Messages have two different mac addresses. What is the best way to troubleshooting this issue? 

hi, I have a question I cannot figure out.  I ran this sho ip eigrp top command and the originating IP address is no where on my network that I can find.  I looked at CDP neighbors, pings don't answer, traceroute doesn't turn up anything.  Any though...

As of recent, I am experiencing a weird problem on one of my router interfaces. About once a day, I cannot access it via the IP address. A traceroute will fail at it as well. When I console in and check the status, I am seeing that it is up/up. There...

Hello guys. I have two routers running both EIGRP and OSPF, i would like the EIGRP routes to be installed into the routing table rather than OSPF, but my guess is that the external EIGRP routes have a larger Administrative Distance than the OSPF rout...

I got 7 routers each with a loopback. I also have 3 OSPF Areas...0, 1, and 2 Routers 2 and 3 have interfaces in both Area 0 and Area 1 Routers 4 and 5 are only in Area 1 Routers 6 and 7 are only in Area 2 Router1 - 1.1.1.1 /32 loopback 0Router2 - 2.2...

Hello,I want to aggregate 2 ISP link to have one big link and thus simulate a very high bandwith connection.Here is the topology: ISP routers are not connected directly to the Cisco router because there are only 2 ethernet interfaces.I want to redire...

DearsWould like your assistance please regarding below logs. Usually this should indicate bad authentication however here BGP session is up and not affected by these logsWhat could be the reason for these logs. I believe one reason if BGP packets are...

Hi, Would like to ask if anyone know which provider in Malaysia that has DS3 circuit facilities around Kuala Lumpur? I would like to get quotation to pull a DS3 circuit over to my company and would like to see what options there are. Even if it's oth...

I have 7 Routers. All the interfaces of each Router are running OSPF except one interface. One of the interfaces on Router7 I configured for EIGRP. I CANNOT ping that EIGRP interface though. Should I be able to?        

 Hi,  I am having Cisco 2911/K9 router. And I want to connect my both WAN links on it with redundancy. Both WAN links are using BGP protocol with different AS number.Primary WAN LinkBGP 100Connected on g0/1 ( of router) ------------------------------...