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  1. dgrizzard

    Cisco 4500 MTU size (Jumbo)

    Correct, since they are in the same VLAN they would not hit the SVI. Going between VLANs would be the case where the egress SVI would come into play.
  2. dgrizzard

    Cisco QoS for Speed Testing Sites

    For downloading you would be policing on the input of the WAN interface (since you cannot shape on an input policy), the policy-map would trigger on whatever amount you specified. But by that point it has already traversed your connection...and you're technically already using the bandwidth...
  3. dgrizzard

    IP Allocations for Multi Site GRE VPN Tunnels

    It is a feature in Cisco routers, but you must have the right software version and router model.
  4. dgrizzard

    IP Allocations for Multi Site GRE VPN Tunnels

    Yes, a GRE tunnel is a point to point connection; unless you use something like DMVPN. The basics of DMVPN are: 1) You have 1 or more hub sites, then you have spoke sites 2) The spoke sites connect to the hub 3) If a spoke site needs to talk to another spoke site the hub will enable the...
  5. dgrizzard

    IP Allocations for Multi Site GRE VPN Tunnels

    Not sure why you would want to do manual configuration as DMVPN is definitely the way to go. But if you do, then a /31 is what you should use. Maximize the amount of IP addresses and it is easier to deal with.
  6. dgrizzard

    Cisco 2600 router not passing http traffic.

    First, you do not need to place any access-lists on your interfaces if you are allowing everything through. It doesn't hurt anything either, but just not necessary. Connect to your linksys and make sure it has static routes saying that to get to the 10.115.0.0 or 10.115.10.0 network to go to...
  7. dgrizzard

    WS-X6748-GE-TX question

    It would be like shooting a firehose at a small hole in the wall. Some of the water will make it through, and as it flows through the hose...yes it will be full force. But ultimately you just end up with a wet floor.
  8. dgrizzard

    WS-X6748-GE-TX question

    The buffers are so teeny tiny eensy weensy ... they will drop the packets on the output port to your server. It would most likely be line rate right up until the output queue on the port your server is plugged into. Then... drop and request retransmit.
  9. dgrizzard

    Cisco 1800 Router from PC to WAN not able to ping

    You have a couple of things wrong in your config, but before that... is there a DSL or other connection on the f0/0 port?
  10. dgrizzard

    unmanaged fibre

    You could do it via a vlans on a switch and then subinterfaces on your router interface...from experience though you'll regret doing that later down the road :) Its better just to do it right from the start. Plus to have a "backup unit" you would also need to have a secondary circuit as well...
  11. dgrizzard

    unmanaged fibre

    1) The additional modules, in some cases, can be expensive as a new router 2) By leaving in everything in one router you have a single point of failure 3) Depending on the current load of your 1921 and the speed/utilization of the new service, the 1921 may not be sufficient from a capacity...
  12. dgrizzard

    Serial tunneling

    Can you post the results for.. "show ip interface brief" "show ip protocols" "show run | inc ip route" (without the quotes of course)
  13. dgrizzard

    CS 1000 E training help

    I went to the Install/Upgrade class with Global, but for rls6 and it was a lot of information crammed into a week. They went over a lot of gotchas/etc.
  14. dgrizzard

    No routing between physically connected subnets

    What did you set the gateway address as for the client PCs?
  15. dgrizzard

    Dual Wan router

    What router do you currently have?
  16. dgrizzard

    Multiple Wan Configuration

    Yes you can do that as well, just reverse your logic in the NAT statements.
  17. dgrizzard

    NVI0 INTERFACE ADMINISTRATIVELY DOWN

    You can ignore this for the most part...it is automatic now, read up on the nat virtual interface.
  18. dgrizzard

    Use of USB for IOS transfer

    I believe it would be 4GB since it only supports the FAT (not FAT32) file system.
  19. dgrizzard

    cant enable crypto isakmp

    On the 2800s you still can...but it is not legal of course. Starting with the 2900s you have to have through the licensing process online to upgrade it on your box. You also can use the trial license option if you just want to try it out (only for the trial period though)
  20. dgrizzard

    Additional 3750 on the network

    I think maybe I said that the wrong way, I meant when he has more than one switch and the master goes down. Not if the master goes down when he is adding a switch. Sorry if there was any confusion ;)

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