I've a new site to design and I hope you don't mind me asking for some help?
The new site will be connected to an existing site via a 100Mb Microwave link.
IP Phones will be used at the new site and will connect to the pbx at the old site.
No Servers are to be placed on the new site.
Around 20 PC's will be at new site with not a lot of traffic generated, prob under 20% utilization of the link average.
The existing site has about 10 servers and about 100Pc's, varying from AD to file and printer sharing.
On other sites using 18Mb microwave the response time accross the link while polling SNMP is around 30ms average.
My Questions (sorry for the long winded part)...
Should I keep it all Layer2. Should I be safe enough to just trust cos for the Voip and not worry about broadcasts etc going over the Microwave link since it's 100Mb?
Or should I make the link a Layer3 thus creating 2 seperate broacast domains (with no broadcasts going accross the link) and trusting DSCP for the VOIP?
I originally thought I could keep it all layer 2 and use VTP pruning but at least one side never pruned since I need to route between the vlans on at least one side of the link.
thanks for taking the time to read this.