Switching

Am running a Cisco 871 Ethernet Access Router. Recently used SDM to configure a simple firewall. The firewall was totally configured by SDM and using only SDM defaults. The security level is set to high. Since the firewall was installed, the host...

Hi all, I have been running some packet sniffing on my lan, as people complain of degraded performance, there are around 150 pc's on each vlan. what kind of packets per second would be an average baseline for normal network operation.Also what is the...

Hi,Is there any disadvantage running etherchannel? What I mean is, lets say you have your core switch as a 3750 stack, so you connect a 2960 on 3750-sw1 and 3750-sw2. Why would you choose to run STP and not etherchannel if with etherchannel you achie...

Dear Sir,We are having some problem with a router's cpu usage. Currently it handling only 30 mbps bandwidth. When bandwidth goes to 27 mb its cpu usage reaches to 75% or above. I am attaching some of its configuraiton portion. Could you please let kn...

Dear Friends,We inserted the above module in Slot 8/9/10 of the above switch. But it reports Unsupported module in show module command output. However, the same module works fine in Slot 1,2,3,4 and 7.Does anyone have an idea on which slot in this ch...

guys just a quick one....if two swicthes are connected 3550 and 3560 and if we want to do load blance....port channel.....correct me if i am wrong on 3550 pot-channel loadbalance src-mac is on by default and on 3560 its off.....so if we want to do t...

We bought two Cisco 2960-48TC-L, I have issue with gi0/1 and 0/2. the sfp won't stick into the port firmly, you have to press the it in order to get the light,try with second 2960, the same result, yet, tried some other 2960 we got few month ago, it ...

I have 3 routers: one is a remote router, and two are the ISP facing routers. The two ISP routers are running BGP with the remote but not in between. My goal is to have one ISP router send out a default route as preferred, and the same time, have the...

Hi, is it possible to set the vtp mode of an ASA??? I can't find something about that. greetings

I have two 857 routers, 1 is connected to my corporate vpn and 1 is connected through the internet. Both are connected to one server. Having multiple gateways creates a problem. I need help for this.Thanks.

Is there a way to keep this scenario from happening (other than not allowing users to connect a switch to their jack):Topology:host -> user switch -> main switch -> routerWe actually had this happen last night. In the user switch, a user connected on...

Hi guys,I've been doing a bit of digging round Im trying to find what would be the best configuration to apply to my access ports in my environment.I read things about flowcontrol, storm control, bpduguard, etc but am really unsure about what to appl...