We have some computer,they're mac address decide by software.Now we find some same mac's computer in a switch.The same mac's computer belong to different vlan. Why the same mac's computer work well? The switch is Catalyst 2950:show mac-add ...
In one router,I configure two ospf processes .I want to know if one ospf processes can know the other processes's routing information without redistributing ?
Hello, I configure isis and ospf redistribute like this: R1---12net---R2----23net----R3 ISIS L2 OSPFWhen I redistribute ISIS into OSPF on R2 , I see any other ISIS routes behind R1 but I don't see the 12 network which is c...
Hello:In the url:http://www.cisco.com/warp/public/cc/pd/si/casi/ca3500xl/prodlit/cfig3_an.htmThe url say :The Catalyst 6000 and the Catalyst 4000 switches support a special multiservice port to connect to the Cisco IP phones. The Catalyst 3500 series...
Pvlan can work across a trunk. Just like a normal vlan. But if you do promiscuous port in a trunk port . You should do it only in Catalyst 6500 or Catalyst 4000. I do it in catalyst 6509 port 15/1 and 16/1 successfully.
Ben,Thank you for your replay.I want to ask a question about voice vlan Y. The voice vlan Y is like the normal vlan X? And I should create voice vlan Y like this :sw#vlan datasw(vlan)# vlan Y sw(vlan)#exitinterface vlan Yip add 1.1.1.1 255.255.255.0...
The ios version is :cat6000-sup2k8.7-1-2. When I reboot the switch , the message disappear. And I worry about that if I reboot the switch next time , The message will appear again.
Thanks Don.I read the access-list in the url:http://www.cisco.com/warp/customer/459/15.htmlBecaust It is cisco's document, I don't know whether It is right or not?
