Switching

A partner has established a point of presence adjacent to my network. I do not have local access to their router. I have a transport only network in my CAN that interconnects the 40+ buildings that I support locally. I need to connect their router to...

I have a 1921, trying to setup port g0/1 as a trunk port to access our two vlans.  Devices will have been tagged with clan id of 10.  I assume that I am fundamentally missing something, because I can not set switchport mode trunk on g0/1. Current co...

Hello everybody, can someone please explain the background of the sampling rate for netflow-lite on 2960X ? As far as I know you can adjust the sampling rate from 1:32 to 1:1022. So far I got it! But what is the purpose to raise the sampling rate ...

Hi, For an existing corporate network infrastructure I'm looking for a way to monitor packet loss on uplinks between switches in a way that if a certain amount of packet loss or error is detected the link will shut down or have it will have a STP con...

Dear Experts, I have 2901 and recently installed Cisco 3750 switch for L3. Few days ago faced so strange problem the cisco 2901 router's internal and external both interfaces shut down randomly.  So my colleague picked up my router and he tested in h...

Catalyst 2960Xで下記にある不具合情報について詳細をご教授頂けますでしょうか。   http://www.cisco.com/cisco/web/support/JP/112/1128/1128669_118837-technote-catalyst-00.html   この問題は、SFPにCisco様のベンダーコードが確認出来ないもの（OEM品等）を 利用した場合にStack構成に問題が発生するという認識でよろしいでしょうか。   今回、SFP利用はなく、単純にC2960X 2台を...

Hello! I have cisco 1811 with WAN on fa0 anf LAN on fa2 connected to c2960 on Gi0/1 I need to set all interfaces on c2960 in vlan 2 The problem is in c1811 L2 ports trunking. What I do: On c2960:vlan 2name localint range fa0/0 - 48switchport mod...

I am currently trying to set up a network. The service provider has provided us two circuit links. One is a wireless solution and the other is a 100 MB fiber connection. They have provided two routers one for each solution, plugging to our switch to ...

Hello Cisco Community:I'm preparing our small company for a complete network upgrade. We're purchasing a Cisco Wireless Controller, 2 Switches, 2 Routers, and several Aironet AP's.  I'd greatly appreciate if you could answer the following questions f...

hi all,            I am using cisco3750. i am working in Head office and we have branches in different city we connect through MPLS to the branches. we r using let suppose 20.200.1.0 network  in head office and our branches have 20.200.branch number...

Hello Community, I have a Catalyst 2960-48PST-L that it is a PoE switch but when I connect a Cisco AP the switch does not provide any power to the AP. I've changed the power inline feature to never and then in auto but nothinh happened. Is there an...

Hello, I have a problem with VRRP advertissment  : the TTL seems to be different than 255. The backup 3850 can't process the received advertisement : *Dec 17 03:17:05.967: VRRPv4 Vlan555 [2] Send V3 Advertisement, Type: 1, Group Id: 2, Priority: 10...

Hello, I have several different configuration files saved in flash. I want to be able to pick any and load it as the running-config file.I have attempted to use the command: configure replace flash:<name of file>.  I receive rollback abortion message...