Switching

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Hello,I have a Vlan where I got TV set top boxes and computers connected. The TV set top boxes receive their TV channels via multicast. I can't seem to get  IGMP snooping to handle the multicast. From what i understand IGMP is enabled by default so w...

m.skaarup by Level 1
  • 440 Views
  • 1 replies
  • 0 Helpful votes

Hi,This might be very naive question, but i am curious to know why is a core switch needed in the network.I know for core routing this device needs to be there. But, if i have a network involving wan/internet links, Firewalll, edge switch etc.In this...

suthomas1 by Level 6
  • 1047 Views
  • 3 replies
  • 0 Helpful votes

Hi,I have cisco 4507r switch, On same switch I got same mac address on two different switch port. GigabitEthernet3/1 is up, line protocol is up (connected)  Hardware is Gigabit Ethernet Port, address is 0017.5ada.543f (bia 0017.5ada.543f)GigabitEther...

k_bhavsar by Level 1
  • 1659 Views
  • 1 replies
  • 0 Helpful votes

in my current production i have a switch that has ios version 15.0 (2) SE but I bought 2 other ws-c2960's that have the 12.(55) SE5 version...Will it automatically upgrade when it connects to the stack, 

raine1378 by Level 1
  • 680 Views
  • 3 replies
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I have two 3550s to create  an EtherChannel. Can I use any ports on the switches for the above, must the ports be Gig ports? assigning ports fa 0/9 - 10 on switches for channel-group 1 doesn't work.DSW1#sh ip interface briefInterface              IP-...

saidfrh18 by Level 1
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  • 6 replies
  • 0 Helpful votes

We have installed a new POS system at a remote site and apparently, the software cannot be configured with a gateway making it impossible for it to communicate with the main server at our HQ which is obviously in another subnet.  The 2 sites are conn...

Hello all,I have been doing some IP address planning and whould like the following:10.24.X.0/24 for some networks10.24.255.X/32 for the loopbacks of the gateway switch/routersThe networks will start from 10.24.0.0/24 so the first loopback would be 10...

mario_kmc by Level 1
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Hi allWe have been having various issues on our LAN and I was wondering if anyone has had any strange issues with routing / LAN issues when using VSSWe have some servers whereby anythign local that routes locally on our 6509's is ok, however anything...