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I have a network consisting of 2 4500's and 16 or so 3750's. The network has 12 or so VLAN's and a few hundred devices. The 4500's do all inter VLAN routing. I had a computer that had become intermittent on the network when contacted from a different...
I have a 3005 Concentrator which I use to terminate remote access PPTP connections. I have users setup and configured so as to allow 5 concurrent connections. However we seem to have demonstrated that I cannot get more than 1 concurrent connection fr...
I have an ASA 5520 7.2 (I bleieve)I am allowing an Ipsec tunnel thru this firewall, but the ASA itself is not an endpoint for this tunnel. Is it possible to filter the traffic that goes thru the tunnel and if so how?All I really want to do is limit t...
I have a scenario where I am trying to connect 2 sites with a redundant T1 link. At each site I have 2 4500 switches each setup using HSRP internally at each site, hence each 4500 are on common subnets (approximately 10 subnets apiece. I am now attem...
This error apparently means that trunk ports started receiving inconsistent native vlan info from it's peers. Meaning that either the switch in question or it's neighbor switches had it's native vlan ID change or disappear. My question is how could t...
I don't believe it is ARP spoofing. I would expect to see the incorrect MAC address if that were correct. The ARP table shows the correct IP -> MAC mapping, yet clearing that mapping seems to correct (temporarily as I am now told) the problem
This is a lan to lan static tunnel. Filtering traffic that is traveling thru the established tunnel is what I am trying to accomplish. The endpoints are 2 devices by a company called SonicWall. The tunnel simply passes thru my firewall and I don't ha...
All,I really appreciate the replies and suggestions. I have not yet read the links which were provided but will do so soon. To answer some of the questions posed though:The 4500's that have this issue have Sup Engine V's 10GE.The other side of the li...
Ouch!!!In my scenario here that is a very drastic step!Before doing so could you please confirm my belief that this stub config is keeping my 4500 from propgating routes downstream.Thanks for your reply.
Thanks for your reply.I have read the explanation of the error but I am trying to grasp how it could have occured.I have been kind of caught with my pants down on this as I don't have much logging going on to help out. The specific error specified wa...
