CN104994028B - Bandwidth conservation control device based on NAT address translator - Google Patents
Bandwidth conservation control device based on NAT address translator Download PDFInfo
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- CN104994028B CN104994028B CN201510415434.2A CN201510415434A CN104994028B CN 104994028 B CN104994028 B CN 104994028B CN 201510415434 A CN201510415434 A CN 201510415434A CN 104994028 B CN104994028 B CN 104994028B
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- Prior art keywords
- bgp
- address translator
- nat address
- bandwidth
- access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention relates to a kind of bandwidth conservation control devices based on NAT address translator, including bgp access via telephone line end, bgp access gateway, NAT address translator, common bandwidth and bgp peer device, the bgp access via telephone line end is connect by bgp access gateway with NAT address translator, the bgp access gateway is connect with bgp peer device, and the NAT address translator is connect with common bandwidth.Compared with prior art, the present invention has many advantages, such as to reduce costs, to improve communication quality, coverage small.
Description
Technical field
The present invention relates to a kind of bandwidth conservation control devices, more particularly, to a kind of bandwidth based on NAT address translator
Save control device.
Background technique
For second-level runner, BGP bandwidth and IP address bulletin, valence are purchased from the level-ones such as telecommunications or connection operator
Lattice are sufficiently expensive, and the common online demand of many users does not need BGP bandwidth, therefore can be by the device by user terminal master
The flow and IP of dynamic access outer net are separated, and are converted into common wide by NAT conversion equipment and are accessed internet, to reach
The purpose of valuableness BGP bandwidth is saved, has saved very big BGP bandwidth cost expense for enterprise.
Although existing cdn caching mechanism can also save flow, due to dispose cache node, investment in the whole nation
Huge, operation cost is high, is not suitable for the downlink traffic model approach actively accessed, and this technology is particular enable to save enterprise
Downlink bandwidth flow.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind to reduce costs, mentions
The high small bandwidth conservation control device based on NAT address translator of communication quality, coverage.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of bandwidth conservation control device based on NAT address translator, which is characterized in that including bgp access via telephone line end,
Bgp access gateway, NAT address translator, common bandwidth and bgp peer device, the bgp access via telephone line end pass through bgp
Access gateway is connect with NAT address translator, and the bgp access gateway is connect with bgp peer device, the NAT
Location converter is connect with common bandwidth.
The bgp access via telephone line end be equipped with it is multiple, connect respectively with bgp access gateway.
The common bandwidth be equipped with it is multiple, connect respectively with NAT address translator.
The bgp access gateway is connect by bgp link with bgp peer device.
The bgp access gateway analyzes source data packet, and web is accessed outer net flow and is separated by policybased routing
Out, it is input to NAT address translator.
The NAT address translator is broadband ip access interconnection according to source ip address conversion.
Compared with prior art, the invention has the following advantages that
1, it reduces costs, by the way that NAT address translator is arranged, so that BGP bandwidth resources be greatly saved；
2, coverage is small, and NAT address converting device can convert BGP bandwidth resources to common wide, and not shadow
Ring the proper network access of user.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
As shown in Figure 1, a kind of bandwidth conservation control device based on NAT address translator, including bgp access via telephone line end 1,
Bgp access gateway 2, NAT address translator 3, common bandwidth 4 and bgp peer device 5, the bgp access via telephone line end 1 are logical
It crosses bgp access gateway 2 to connect with NAT address translator 3, the bgp access gateway 2 is connect with bgp peer device 5, institute
The NAT address translator 3 stated is connect with common bandwidth 4.
The bgp access via telephone line end 1 be equipped with it is multiple, connect respectively with bgp access gateway 2.The common bandwidth 4 is set
Have multiple, is connect respectively with NAT address translator 3.The bgp access gateway 2 passes through bgp link and bgp peer device
Connection.
The bgp access gateway analyzes source data packet, and web is accessed outer net flow and is separated by policybased routing
Out, it is input to NAT address translator.The NAT address translator is broadband ip access according to source ip address conversion
Interconnection.
At bgp access gateway, user is separated by the service port of extranet access and IP, and come in access
IP is identified and is excluded, and is output to original bgp peer-to-peer exit by policybased routing, is accessed internet.
Each node realizes that code is as follows:
1, BGP access via telephone line gateway configures
2, the configuration code of intermediate conversion equipment:
3, the configuration of Nat address converting device
The nat of Source ip is configured
acl name nat-pool 3000
rule 5 permit ip source 20.136.217.172 0
rule 10 permit ip source 11.74.132.226 0
rule 15 permit ip source 11.74.132.222 0
rule 20 permit ip source 20.136.217.164 0
rule 25 permit ip source 20.136.216.82 0
rule 30 permit ip source 20.136.215.250 0
rule 35 permit ip source 20.136.220.20 0
rule 40 permit ip source 21.5.146.130 0
rule 45 permit ip source 11.74.129.69 0
rule 50 permit ip source 11.74.132.210 0
rule 55 permit ip source 20.136.223.102 0
rule 60 permit ip source 20.136.218.42 0
The ip is applied under interface
interface GigabitEthernet0/0/1
description"to-CT-1"
ip address 10.10.10.1 255.255.255.252
nat outbound 3000
Return to the routing configuration of user:
ip route-static 11.74.128.0 255.255.128.0 202.136.218.241
ip route-static 11.15.136.0 255.255.248.0 202.136.218.241
ip route-static 22.136.208.0 255.255.240.0 202.136.218.241
ip route-static 20.176.168.0 255.255.248.0 202.136.218.241
ip route-static 21.5.144.0 255.255.240.0 202.136.218.241
Material is thus formed a route test circulator, by the application point outside web flow amount and ftp etc. actively access
From on broadband, other key applications, such as vpn actively access application still through original bgp link-access internet.
Claims (4)
1. a kind of bandwidth conservation control device based on NAT address translator, which is characterized in that including bgp access via telephone line end,
Bgp access gateway, NAT address translator, common bandwidth and bgp peer device, the bgp access via telephone line end pass through bgp
Access gateway is connect with NAT address translator, and the bgp access gateway is connect with bgp peer device, the NAT
Location converter is connect with common bandwidth；The bgp access gateway analyzes source data packet, and web is accessed outer net flow
It is separated by policybased routing, is input to NAT address translator；The NAT address translator is according to the address source ip
Be converted to broadband ip access interconnection.
2. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, which is characterized in that
The bgp access via telephone line end be equipped with it is multiple, connect respectively with bgp access gateway.
3. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, which is characterized in that
The common bandwidth be equipped with it is multiple, connect respectively with NAT address translator.
4. a kind of bandwidth conservation control device based on NAT address translator according to claim 1, which is characterized in that
The bgp access gateway is connect by bgp link with bgp peer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415434.2A CN104994028B (en) | 2015-07-15 | 2015-07-15 | Bandwidth conservation control device based on NAT address translator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510415434.2A CN104994028B (en) | 2015-07-15 | 2015-07-15 | Bandwidth conservation control device based on NAT address translator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104994028A CN104994028A (en) | 2015-10-21 |
| CN104994028B true CN104994028B (en) | 2019-04-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510415434.2A Active CN104994028B (en) | 2015-07-15 | 2015-07-15 | Bandwidth conservation control device based on NAT address translator |
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| CN104994028A (en) | 2015-10-21 |
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