[c-nsp] VLAN and switch and ?

[Charles Regan]

On Wed, Mar 4, 2009 at 5:47 PM, Charles Regan <charles.regan at gmail.com> wrote:
> There's now way my switch will support L2TP.
>
> How would you setup VLAN in this setup.
>
> ISP needs to pass all his vlan (switchport mode trunk)
> I don't want ISP to have access to my network ... (swictchport access
> vlan 500, on both end ?)
> I want Internet acces from this ISP from his BackHaul1.  (switchport
> access vlan 500, on my gateway router ?)
>
>
>
> On Wed, Mar 4, 2009 at 5:44 PM, Deric Kwok <deric.kwok2000 at gmail.com> wrote:
>> look like L2TP.
>>
>> Can I know why use it intead of typically vlan?
>>
>> Thank you
>>
>> On Wed, Mar 4, 2009 at 10:14 AM, Jeff Fitzwater <jfitz at princeton.edu> wrote:
>>>
>>> Look at layer 2 tunneling for your switches.  You would assign tunnel vlan
>>> ID and ISP would send tagged traffic into tunnel (Q in Q) and traffic would
>>> exit tunnel where ever needed.   When you assign a port as a tunnel port, it
>>> becomes a tunnel-input and tunnel-output.   You can have as many tunnel
>>> ports as you need.  The ISP can now send what ever VLANs they want and you
>>> do not need to change anything.
>>> Read the doc and be aware of oversized packet handling within tunnel
>>> switches.
>>>
>>>
>>> Jeff Fitzwater
>>> OIT Network Systems
>>> Princeton University
>>>
>>> On Mar 4, 2009, at 9:46 AM, Charles Regan wrote:
>>>
>>>> Good Morning,
>>>>
>>>> I'll try to explain what I want to do... We are LOCAL NETWORK in this
>>>> graphic.
>>>> The ISP wants to use our fiber link to connect to his wireless customer.
>>>> We also want internet access from his Wireless Backhaul1.
>>>> ISP also use VLAN on his customer subscriber modules.
>>>>
>>>> How would you configure 2924 Switch and 2960 Switch, so that
>>>> everything is transparent from my side and his side ?
>>>> I don't want him to call me to add a new VLAN on our switch.
>>>>
>>>>
>>>> ISP ---Wireless BackHaul1 -- 2924 Switch ---- FIBER ---- 2960 Switch
>>>> ---- Wireless Backhaul2 ---- Access Point ---- Wireless subscriber
>>>> modules
>>>>                                           |
>>>>            |
>>>>                                           |
>>>>            |
>>>>                                           |
>>>>            |
>>>>                                           |
>>>>            |
>>>>                                           |
>>>>            |
>>>>                            LOCAL NETWORK            LOCAL NETWORK
>>>>
>>>>
>>>> Will something like this work ?
>>>> switchport access vlan 500
>>>> switchport trunk encapsulation dot1q
>>>> switchport mode trunk
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>>
>>
>