Switching

I have attached a power point for your review.  We are seeing excessive packets jumping VLANS so-to-speak.  On the drawing you will see XYZ receiver which sends out boatloads of UDP packets (i.e., broadcasts constantly).  We are OK if they remain con...

I'm running a Cisco 871 router in a LAN WAN setup. Nat, site-to-site VPN, Firewalling, etc. The problem is that the router stops forwarding traffic at random. The only way to fix this issue is to reboot the router using the console / powerswitch. Sym...

Hi i am new to this community.I'll try to give as much information as i can.I basically know nothing about networking and routers and such. That's why i need your help, the professionals. So my xbox 360 sits in my room. To playLive it requires intern...

Hello,After running a coupple different protocol analyzers I am seeing 10,000+ fast retransmissions.  Could this be an issue?  I have a lot of clients complaining about slow server response time, and I'm wondering if this could be causing it. What wo...

I have cisco 2821 router with 16 FastEthernet Switching module. I am facing a problem that at console a message "Insert multicast address to MARL table failed" appearing constantly. I tried to search it on Internt but could not get anything usefull. ...

hello friends,i am trying to find out the answer for difference between L3 switch and Router and their functions as compared to each other but unable to get it..1) can you please tell me that what is the exact difference between L3 Switch and Router?...

Hi,We are using a Cisco 3750G 24 port switch, I want to make it 48 ports so I am going to buy a new one and stack it.  Does the firmware version/age on both have to be the same?Thanks

Hello,let's consider a LACP bundle, formed by two aggregated links. Should one link fail, I know all the traffic is redirected on the other one. My question is: how long does it take? Does it make sense to define something similar to a convergence ti...

I can't seem to get ddns to attempt to work.  'debug ip ddns update' shows nothing.  Here's what I have:ip domain-lookupip name-server 192.168.1.2ip ddns update method DynDNSHTTP  add http://username:password@members.dyndns.org/nic/update?system=dynd...

Hi guys/girlsJust having a problem with the power inline command. I cant seem to find any info on the two images i have installed on two different 3750G-48PS-S switches. The images are:SEE1 -  c3750-ipbase-mz.122-25.SEE1.binSEB4 -  c3750-ipbase-mz.12...