Can you recommend me a Cisco router or layer 3 switch that can handle multiple 10G interfaces?

SOURCE: CISCO 2800 router interface stop responding

What kind of cable do you have connected from the DLINK to the Router? Is it an ethernet cable 3,5e,6?

SOURCE: Cisco error on switch

%SYS-4-P2_WARN: 1/Tag 0 The switch generates %SYS-4-P2_WARN: 1/Tag 0… messages.
This example shows the syslog output that you see when this error occurs:
%SYS-4-P2_WARN: 1/Tag [dec] on packet from [ether] port [chars],
but port's native vlan is [dec] This message indicates that an 802.1Q-tagged packet was received on a nontrunk port. The VLAN that is derived from the packet tag is different from the port native VLAN. In the error message:

• The Tag [dec] is the VLAN identifier from the packet.
  
• The [ether] is the host MAC address.
  
• The port [chars] is the port identifier.
  
• The second [dec] is the native VLAN number.
  

SOURCE: VLANS

what router-be specific.

SOURCE: connectivity with my comcast cable

I have a comcast for 10 years with a cable modem and tv. The only time I ever had problems and they were major, they needed to run a new line, that's the only thing that stoped the signal from droping.Previous to that, there was an inline amp on the line, and that would have intermittent isues that you describe. Another reason may be the modem, it may be the "old" unit, tell them you need a new modem. They are going to give you a hard time because you aren't using their modem, so every time you call, they are going to ask you to disconnect the router and run through the modem.They can read the modem from their side, and if it is "on", they will stop right there. You are speaking to someone who is out of the country. I made the mistake one day of asking them if there was construction going on in my area, "because they daisy chain" the connection, and if the house next to you has the cable pulled out, it can effect you. The woman told me "she didn't see anything" so I asked her where she was because the homes on both sides werer having work done, She was in India, they outsource to Canada and India so it would be difficult to see if there was construction in Fl.They are only going to react to things that they are authorised to fix. Call them and tell them that your modem goes on and off, forget the router for now, ask for the motorola 8500 series. You may have to ask for a supervisor and don't let them talk you out of it. You also should tell them that your intermittent issue happens wheather the router is on or off, since they don't understand unless they walk you through the basic troubleshooting, which is a waste of time. You are loosing your signal because the modem is droping the connection, you can also look on the Linksys home page, and see if there is a firmware upgrade for your router, but make sure you get the right version number of the bottom.The last thing to check is to see if they have "filters" on your line, they can also cause problems with the modem. If you have a private home or condo, there is a box that stands out someware on the lawn or off to the side. Usually its not locked. Pull off the top and see if you see silver cylindrical looking tubes about 3 inches long inline with your cable line going into the box. If so they may be causing the problem. I had 3 of their trucks on my lawn at one time, and they couldn't figure out what was wrong. ten minutes after they left I had everything running. The problem is subcontractors, are doing the work and you either get a good one or a bad one, you need to keep having them come out until they get it right. So just to go over it again, Modem, Firmware on router, Wiring coming in, Filters on the line. Get to a supervisor right away or you will have to tell the story several times. Also if they do come out, ask him what his meter is telling him your signal strength is. Cable is shared and if others are using their service at high load times, that is another reason that your connection must be perfect, or this is going to be ongoing. good luck

SOURCE: I have a 3Com Router,

The commands are different than a Cisco device. Rather than try to list all the commands in this solution I'm providing you a link to the products support page on the HP website (HP bought 3Com a while back). The support site has the manuals, command reference guides, etc for your device. It should be everything you need to get started. Best of luck!

http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&lang=en&cc=us&docIndexId=64179&taskId=101&prodTypeId=12883&prodSeriesId=4235691

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