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How does switch treat ingress tagged packet?

In Network - Posted on Jul 02, 2015 08:26

How does switch treat ingress tagged packet?

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configure Cisco switch with tagged VLAN packets

My Netgear smart switch died and was replaced with a Cisco Catalyst 2960-S managed switch. Using Cisco Network Assistant or the web interface how do I add a VLAN with ID "2", put port 46 on VLAN ID 2 and make port 47 handle packets tagged as ID 1 and ID 2 and route them accordingly (packets tagged as ID 2 goes to port 46, tagged as ID 1 goes to everything else)? P.S. - In case this is useful... basically I have a private/corporate network and a public/guest network setup each with their own WAN...

How switch forwards packet to unknown device

Dear users, I have a device in my LAN that doesn't respond to ping, and it broadcasts some data via UDP every second. I can get device's IP and MAC address from incoming UDP packets via WireShark. When I try to send a UDP packet from my application to the device, I see in WireShark that Windows starts to send ARP packets: Who has 192.168.0.10 tell 192.168.0.1 Since the device never responds to ARP packets, I can't send data to it. So I define device's MAC and IP address using Windows' arp comma...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

There are a few things we can look at that can help narrow down the possible cause. 1. Connect to the R1-2401 switch console via SSH 2. Run the following command # show mac address. 3. Run the following command # show interfaces status. Post up the output for us to review. Is there anything else in...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

Hi, Daniel. No, the switch logs do not contain anything suspicious. console#show mac address-table Flags: I - Internal usage VLAN Aging time is 300 sec Vlan Mac Address Port Type 1 00:50:56:9b:50:0b gi1/1 dynamic 1 f8:b1:56:3e:1a:65 0 self 1 f8:bc:12:fc:87:f4 gi1/2 dynamic 1 f8:bc:12:fc:88:18...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

The output from those show commands look good. Have you tried reseating the server/switch? Swapping the server to a different slot to see if the problem persists? Have you called into support and opened a ticket on this issue yet?...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

With the information here, it could be a potential midplane issue. I think a call in to your local support is the right step to take. Happy Holidays, Cheers...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

No warning or error at any level (CMC, iDRAC, VMware). Upgrading the internal switch to 2.0.0.46 helped a bit, in this way I've discovered the network ports going UP and DOWN I'm going to open a support ticket on Monday...

Problem: Packet loss R1-2401 switch installed in the Dell VRTX

In my switch already 2.0.0.46 firmware. Apparently it's defective midplane (...

does hdmi send a packet at start up for hdmi switch to prioritize signal?

Operating System: UbuntuStudiox86_64 low Latency 14.04 kernal 3.13.0-35 Graphics: Geforce GTX780 RAM: 6Gb Processor: i3 3240 MotherBoard: MSI Z77A-G45 USB 3.0 Im wondering if the hdmi port sends a packet at start up that a hdmi switch recognizes as a newly started device to prioritize it...I have a Geforce gtx760 and a 3 port hdmi switch going to a projector with only 1 hdmi port. The problem I have is that if I switch to a different device I cant get video feed back once in I try to wake fro...

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