Bonded T1 - T-1 - DS1
Bonding T1's – The Basics
Bonded T1's are two or more T1's that have been joined (bonded) together
to increase bandwidth. A full T1 provides approximately 1.54Mbps or 24 individual channels which supports
64Kbit per second, where two bonded T1's provide 3Mbps or 46 channels. Two bonded T1's allow you to use the
full bandwidth of 3Mbps where two individual T1's can only use a maximum of 1.54Mbps at one time. You can
have 2 t-1's and the router can load balance, or in other words, 1.54Mbps on the first T1 and 1.54Mbps on
the second T1 or you may require MLPPP bonding.
To be fully bonded and use the full 3Mbps pipe, the T1's must terminate into the same router, AND, are
assigned the same IP address. Since both T's have the same address, treated as one in the same and increases
bandwidth delivery. If assigned different IP's, you may require MLPPP.
MLPPP
Short for MultiLink PPP, an extension of the PPP that allows lines to be used in combination as a single
transmission line, doubling throughput to 3Mbps as in the example above. MLPPP is also referred to as MPPP,
MLP and channel bundling.
Redundancy - Right for my Business?
As discussed above, your router can load balance and multi T1's can serve your location.
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Advantages - If a single carrier goes down, an alternative provider is using
a different backbone and not completely dead in the water. Depending upon configuration, you may
experience a 50% bandwidth reduction temporally until restored.
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Disadvantages - IT Dept will have to manage and contact the appropriate
carrier to trouble shoot. Increased billing / account management but adds a backup layer.
Another option, depending upon your physical location, have a single provider
drop trunks from different POP locations. If one circuit is experiencing delivery issues from one POP, the
other trunk may / may not. This is often cost effective in major metro markets, I refer to as NFL cities.
Remote locations may see a significant cost increase due to loop distance. Your first T1 may be less than 7
miles from one POP, and over 50 miles from another and billed accordingly.
Scalability
When your needs expand, additional T1's can be added. Cost effective growth. Forecasting may indicate a need
for 4.5 Mbps in 12 - 18 months - why pay for bandwidth from day one that may be under utilized initially?
ISP Providers are an excellent example. As market share increases and word gets around, grow happens. To
accommodate additional clients, increased bandwidth follows. Larger blocks of static IP's are requested. Is
a full class "c" included or will you get nicked and dimed with additional overhead fees each time
you grow your business?
Configuring Cisco Express Forwarding - CEF
This is another option you can enable and configure to achieve bonded T1's. Please view this white paper, Cisco
CEF for detailed configuration info.
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About Us
Low T1 Rates has relationships with over 20 providers nationwide of
high speed T1 (DS1), T3 (DS3), OC3, OC12, OC48 for dedicated voice, data, integrated voice and data
and bonded internet broadband connections. We broker a large volume and pass the savings
on to our clients. Contacting our providers directly will not save you money, you will probably be
quoted a higher rate. Let our professional staff and industry contacts do the work for you.- Low
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If you would like to shop for the lowest Bonded T1 prices, enter your information to view, shop and
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Not exactly sure of the type of Bonded T-1 service your business needs?
T1 Terms and Definitions |
Bonded T1 States
T1 Alabama , T1 Arizona , T1
Arkansas , T1 California , T1 Colorado , T1
Connecticut , T1 Delaware , T1 Florida , T1
Georgia , T1 Hawaii , T1 Idaho , T1
Illinois , T1 Indiana , T1 Iowa , T1
Kansas , T1 Kentucky , T1 Louisiana , T1
Maine , T1 Maryland , T1 Massachusetts , T1
Michigan , T1 Minnesota , T1 Mississippi , T1
Missouri , T1 Montana , T1 Nebraska , T1
Nevada , T1 New Hampshire , T1 New Jersey , T1
New Mexico , T1 New York , T1 North Carolina , T1
North Dakota , T1 Ohio , T1 Oklahoma , T1
Oregon , T1 Pennsylvania , T1 Rhode Island , T1
South Carolina , T1 South Dakota , T1 Tennessee , T1
Texas , T1 Utah , T1 Vermont , T1
Virginia , T1 Washington , T1 Washington DC , T1
West Virginia , T1 Wisconsin , T1 Wyoming
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(*rates vary by geographic location)
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