If the load balancing is set to src-dst-ip, will a layer 2 switch forward based on that information? Particularly talking about a 6500, with trunk interfaces, since those packets never go to the layer 3 engine, will the load-balancing work as intende...
I have been reading that the double-tagged VLAN hopping attack only works when the attackers VLAN is the same as the native vlan of the trunk. I don't see why this is necessary, can someone help me understand?This is my current understanding of the a...
Hi all,I would like to do the following architecture with the same C3750 : network X,Y,Z connected to 3750 in VRF D the 3750 uses a routed interface on subnet E for the default route in VRF D on this routed interface a BYPASS EQUIPMENT the other BYPA...
Hi all,Having a design where an IBM bladecenter has two Nexus 4001i switches and each switch is connected to a Nexus 5k vPC pair, is it possible to configure active-active nic teaming on the hosts (blades) considering that the Nexus 4k switches are u...
Greetings;We just got a new ASA5510 (straight out of the box). I’m new to the Cisco but feel we followed the directions. We connect to the management port and have our workstation set to get an ip via dhcp. A cat5 is connected to the management port,...
One of our customers is looking for a Cisco router that supports class b subnets, but in the small business range of routers I can not set the subnetmask to 255.255.0.0. Does anyone know which Cisco routers do support this?
I was curious, we have two switches connected to eachother through an access port and on one of the switches there is an AP. Now the switch that is connected directly to the AP should learn mac addresses of the wireless clients, but will the second ...
Hi,Here is an image of VTP summary advertisement packet format taken from http://www.cisco.com/en/US/tech/tk389/tk689/technologies_tech_note09186a0080094c52.shtml#vtp_msgWe can see the MD5 digest field is 16 bytes.Now here is a sample output of "show...
Hi,I'm configuring environment according to attached picture. In this infrastrucure will be blade servers with teaming NFT, so only one network card will be up.Could you please advice me the best spanning tree design for this infratructure?Thank you ...
Hello,does exist command "debug spanning-tree ..." or other which clearly can show which port in LAN initiates spanning tree rebuilding?The problem is that periodically in LAN spanning tree starts tree building a tree and this cause to LAN unavailabi...
Hi Team , Need your help to understand on the below scenario 1) current switch have below mentioned switch stack details . switch#sh switchSwitch/Stack Mac Address : fcfb.xyz.8b80H/W CurrentSwitch# Role Ma...
Hello, I have had a repeating problem that I need to come up with some ideas for. On occasion employees are downloading large files for business purposes, at very fast speeds. This has the potential to overwhelming our Internet circuits which causes...
Hi All,I have now to look at QoS, I find switch already configured with Cisco-Pohne auto QoS configured.currently the following command are configured on the interface configuration :Interface fa0/1 sw acc vl 1 switchport mode acces switchport noneg...
hi, I am trying to advertise the following network to my other offices /eigrp peers10.20.147.0/24The network exists via a static route on the router i need to advertise it from. when i go under the eigrp config and say "redistribute static" it adve...
