CN101621477A - Method and device for one-to-many port mirror image - Google Patents
Method and device for one-to-many port mirror image Download PDFInfo
- Publication number
- CN101621477A CN101621477A CN200910163696A CN200910163696A CN101621477A CN 101621477 A CN101621477 A CN 101621477A CN 200910163696 A CN200910163696 A CN 200910163696A CN 200910163696 A CN200910163696 A CN 200910163696A CN 101621477 A CN101621477 A CN 101621477A
- Authority
- CN
- China
- Prior art keywords
- mirror image
- message
- image
- image source
- public network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention provides a method and a device for a one-to-many port mirror image. The method comprises the following steps: acquiring a mirror image source message through a mirror image source port; and duplicating the mirror image source message to a mirror image destination port through a public network mirror image by utilizing a point-to-multipoint multicast tunnel. The device comprises an acquiring unit and a mirror image unit, wherein the acquiring unit is used for acquiring the mirror image source message through the mirror image source port; and the mirror image unit is used for duplicating the mirror image source message to the mirror image destination port through the public network mirror image by utilizing the point-to-multipoint multicast tunnel. The mirror image source message is invisible in the public network, thereby the embodiment of the invention has higher safety.
Description
Technical field
The present invention relates to network technology, relate in particular to a kind of method and apparatus of one-to-many Port Mirroring.
Background technology
Switched Port Analyzer has obtained using widely as a kind of instrument of network equipment on-line fault diagnosis analysis for a long time.It mainly finishes the function that complete image source message is copied to the mirror image destination interface.In the last few years, in order further to reduce maintenance cost, the Remote Switched Port Analyzer technology had obtained certain application.The Remote Switched Port Analyzer technology only is applied to the mirror image of point-to-point at present.And put the mirror image of multiple spot owing to can obtain identical mirror image message at different physical locations, for the online flow situation of Analysis of Complex, multiple spot phase-split network fault realizes that the data analysis of multiple spot legitimate network all has very big realistic meaning.
There is a kind of Port Mirroring that uses point-to-point tunneling technique can realize a little arriving multiple spot in prior art, for example can between image source port and two mirror image destination interfaces, set up two independently tunnels respectively, this tunnel can be LSP (Lable Switching Path, label switched path), GRE point-to-point tunnels such as (GenericRouting Encapsulation, generic route encapsulation).In the message repeating process, need duplicate a image source message separately to every tunnel.
Also have another kind of prior art in addition, a plurality of mirror image destination interfaces can be added same IP multicast group, network relies on PIM (Protocol Independent Multicast, Protocol Independent Multicast) agreement to generate multicast distribution tree.The image source message that enters from the image source port directly enters the multicast distribution tree forwarding according to configuration, encapsulation common multicast IP heading, and the protocol domain in the IP head is filled in privately owned style number.On the equipment of mirror image destination interface place, number judgement learns it is the image source message according to private type, sends out port behind two layers of header of encapsulation actual physical port.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: the Port Mirroring scheme of using point-to-point tunneling technique, increase along with the mirror image destination node, network traffics are multiplied, have a strong impact on regular traffic, and as seen, lose easily or be destroyed by its link layer information on public network for the image source message.Though a plurality of mirror image destination interfaces are added same IP multicast group solved the problem that network traffics are multiplied and adopt, still as seen, also lose easily or be destroyed by its link layer information on public network for its image source message.
Summary of the invention
The embodiment of the invention provides a kind of method and apparatus of one-to-many Port Mirroring, so that the image source message is invisible on public network, fail safe is higher.
On the one hand, the embodiment of the invention provides a kind of method of one-to-many Port Mirroring, and described method comprises: obtain the image source message by the image source port; Utilize point described image source message to be arrived the mirror image destination interface by the public network image copying to the Multicast Tunnel of multiple spot.
On the other hand, the embodiment of the invention provides a kind of device of one-to-many Port Mirroring, and described device comprises: acquiring unit is used for obtaining the image source message by the image source port; Mirror image unit is used to utilize the Multicast Tunnel that a little arrives multiple spot that described image source message is arrived the mirror image destination interface by the public network image copying.
Technique scheme has following beneficial effect: obtain the image source message because adopt by the image source port; Utilize point to the Multicast Tunnel of multiple spot described image source message to be passed through the technological means of public network image copying to the mirror image destination interface, so the image source message is invisible on public network, fail safe is higher.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the one-to-many Port Mirroring of the embodiment of the invention one;
Fig. 2 is the application scenarios schematic diagram of the one-to-many Port Mirroring of the embodiment of the invention two;
Fig. 3 is the application scenarios schematic diagram of the one-to-many Port Mirroring of the embodiment of the invention three;
Fig. 4 is the apparatus structure schematic diagram of the one-to-many Port Mirroring of the embodiment of the invention four;
Fig. 5 is another apparatus structure schematic diagram to the multiport mirror image of the embodiment of the invention four.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The Multicast Tunnel technology is to grow up on the basis of multicasting VPN (Virtual Private Network, Virtual Private Network) technology.Multicasting VPN requires to have basic MPLS (Multi-Protocol Label Switching, multiprotocol label switching) or multicast-capable at the public network environment.The MPLS network edge node is called PE (Provider Edge, provider edge equipment) equipment, is called CE (Customer Edge, customer edge) equipment with fringe node in the customer network that PE equipment directly links to each other.Every a different set of customer network is called a VPN fully independently in logic.Multicasting VPN is exactly to finish logically the fully independently inner forwarding capability of realizing multicast data message of customer network.Because one group of VPN client's physical location may be far, must connect by backbone network, the private network data of each VPN can be transmitted by the Multicast Tunnel of setting up on backbone network.The following embodiment of the present invention is by the P2MP (Point-to-Multipoint based on LDP (tag distribution protocol), point-to-multipoint) tunnel and realize the image copying of image source message based on the P2MP tunnel of RSVP (Resource Reservation Protocol, RSVP) etc.
Embodiment one:
As shown in Figure 1, be the method flow diagram of the one-to-many Port Mirroring of the embodiment of the invention one, described method comprises:
101, obtain the image source message by the image source port.
Optionally, described obtain the image source message by the image source port before, described method can also comprise: the described point of establish mirror image source port and mirror image destination interface is to the Multicast Tunnel of multiple spot.Described point can comprise one of following to the Multicast Tunnel of multiple spot: the multicast distribution tree of on public network, setting up, based on the point of tag distribution protocol LDP to the multiple spot Multicast Tunnel, based on the point of RSVP RSVP to multiple spot Multicast Tunnel etc.
102, utilize some the above-mentioned image source messages to be arrived the mirror image destination interface by the public network image copying to the Multicast Tunnel of multiple spot.
Optionally, can be with the link layer data of described image source message as payload, utilize described point to encapsulate to the public net message head of the Virtual Private Network at the Multicast Tunnel place of multiple spot, the message after will encapsulating then arrives the mirror image destination interface by the public network image copying.Described message after the described encapsulation is comprised to the mirror image destination interface by the public network image copying: the message after the described encapsulation can be transmitted the back image copying to the mirror image destination interface by the vendor equipment P on the public network.
Said method embodiment of the present invention obtains the image source message because adopt by the image source port; Utilize point to the Multicast Tunnel of multiple spot described image source message to be passed through the technological means of public network image copying to the mirror image destination interface, so the image source message is invisible on public network, it is destroyed that its link layer data are not easy, and fail safe is higher.
Embodiment two:
Present embodiment relates to forwarding-table item to be had:
1. port configuration list: this list item uses port numbering that image source message enters as index, and the list item particular content has: the multicast group IP address of image source port label, local virtual Remote Switched Port Analyzer interface IP address and mirror image group.
2. multicast forward table: this list item uses image source/destination interface IP address to be index, and the list item particular content has: mirror image destination interface mark, outgoing interface information.Destination address is that the IP message forwarding of multicast address all needs to search this table.
As shown in Figure 2,201, between PE1 and the PE2, set up iBGP (Internal BGP) peer-to-peer respectively between PE1 and the PE3 and connect (also can set up between PE2 and the PE3) application scenarios schematic diagram for the one-to-many Port Mirroring of the embodiment of the invention two:, configuration MPLS/BGP (BorderGateway Protocol, Border Gateway Protocol) VPN, and configuration basic multicast function.The mirror image multicast group IP address range that configuration keeps in iBGP.
202, go up configuration mirroring source port and mirror image destination interface at image source equipment (being the equipment at image source port place) and mirror image destination device (being the equipment at mirror image destination interface place) respectively as PE2 equipment among Fig. 2 and PE3 equipment as PE1 equipment among Fig. 2.The mirror image destination interface configuration in an image source and this source of a plurality of observations adds a mirror image group.Image source port corresponding port allocation list issues the mark of image source port.
203, the equipment at equipment at image source port place (PE1 equipment among Fig. 2) and mirror image destination interface place (PE2 equipment and PE3 equipment among Fig. 2) is gone up and is created virtual Remote Switched Port Analyzer interface, this interface configuration IP address.Image source port and mirror image destination interface equipment consult to set up the neighborhood of Remote Switched Port Analyzer interface in the control aspect, and consult the multicast group IP address (IPA) of this Remote Switched Port Analyzer group in the mirror image multicast group IP address range of the reservation of disposing.After consulting successfully, issue the multicast group IP address of local virtual Remote Switched Port Analyzer interface IP address and mirror image group at image source port corresponding port allocation list.
204, mirror image destination interface place equipment behind the configuration mirroring destination interface to the adding message of image source port PE timed sending PIM, under multicast protocol PIM effect, on public network, form Multicast Tunnel---multicast distribution tree, the difference of multicast distribution tree and prior art two herein is: be based upon on the public network herein, and prior art is not like this, and public network multicast issuing tree and common multicast distribution tree are set up or be distinguishing herein.Network P (vendor equipment) equipment and image source port place PE equipment issue the multicast forwarding list item.The destination address of multicast forwarding list item is mirror image group multicast group IP address (IPA), and outgoing interface is to receive that PIM adds the interface of message.The PE equipment at mirror image destination interface place issues the multicast forwarding list item, and mirror image outgoing interface mark is arranged in this list item, and outgoing interface information is the mirror image destination interface simultaneously.
205, after the image source message enters the image source port, at first look into the source port allocation list, obtain the image source port label.After the normal forwarding of image source message, duplicate complete image source message as payload, send from the Multicast Tunnel outgoing interface after encapsulating outer IP and link layer head information according to the multicast group IP address of the mirror image group in the port configuration list and local virtual Remote Switched Port Analyzer interface IP address as message purpose IP and source IP address.
206, message according to public network source purpose IP address search multicast forwarding list item, is finished duplicating and transmitting of message according to the information of the outgoing interface of finding on the P node device.
207, after mirror image destination interface place equipment is received message, search the multicast forwarding list item, after finding that list item has mirror image outgoing interface mark, then directly peel off outer public network link layer head and IP header information, directly payload data is sent then according to the outgoing interface information in the multicast forward table.
The image source message is invisible on public network among the said method embodiment of the present invention, and it is destroyed that its link layer data are not easy, and fail safe is higher.
Embodiment three:
Present embodiment is described the Port Mirroring implementation method based on LDP.Because based on RSVP and similar based on the Port Mirroring implementation method of LDP, the main distinction is a little to arrive the process that the multiple spot Multicast Tunnel is set up, and this is not the description of the invention emphasis, and is therefore single herein for the embodiment based on LDP, describes no longer separately based on the implementation of RSVP.
The forwarding-table item that present embodiment relates to has:
1, port configuration list: the image source port numbering that this list item use image source message enters is as index, and the list item particular content has: image source port label, tunnel encapsulation table index.
2, Label Forwarding Information Base: this list item uses message label as index, and the list item particular content has: type of action, tunnel encapsulation table index, mirror image outbound port mark, outgoing interface information.
Type of action is searched tunnel encapsulation gauge seal dress back according to the tunnel encapsulation table index and is transmitted for what exchange; Type of action continues to search Label Forwarding Information Base according to vpn label behind the ejection outer layer label for what eject; Type of action is directly transmitted according to the outgoing interface information in the Label Forwarding Information Base for what transmit.
3, tunnel encapsulation table: this list item uses the tunnel encapsulation table index as index, and the list item particular content has: encapsulated type, internal layer (private network) and outer (public network) label, outgoing interface information.Encapsulated type is that A shows the inside and outside two-layer label of needs encapsulation; Encapsulated type is that B shows with outer layer label and replaces original packet outer layer label.
As shown in Figure 3, be the application scenarios schematic diagram of the one-to-many Port Mirroring of the embodiment of the invention three:
301, behind configuration multicast forwarding equivalence class (FEC) on mirror image destination interface place equipment PE2 and the PE3, PE2 and PE3 are according to the IP route forwarding table (after the IP network configuration successful, be controlled at the list item that instructs message to transmit that the Equipment Control aspect generates by Routing Protocol) trigger and set up public network P2MP tunnel, distribute the public network label for neighbouring device on the way.
302, configuration mirroring source port and mirror image destination interface on image source equipment and mirror image destination device respectively.An image source port and a plurality of mirror image destination interface constitute a mirror image group.Image source port corresponding port allocation list issues the mark of image source port.
303, image source port and mirror image destination interface place PE equipment send signaling (PE1 sends to PE2 and PE3, and PE2 sends to PE1 and PE3, and PE3 sends to PE1 and PE2) to other PE equipment.Consulting the back is mirror image group allocation private network tags.For the equipment at image source port place, equipment is the index of a tunnel encapsulation table of this P2MP tunnel distributing, and is issued in the port configuration list.Simultaneously issue the tunnel encapsulation table according to this index, this gauge seal dress type is A, and public network label, private network tags and outgoing interface information are arranged simultaneously.
P equipment on the network issues Label Forwarding Information Base and tunnel encapsulation table according to the public network label, and table item index is the public network label, and content comprises transmits exchange and tunnel encapsulation table index; Encapsulated type is B in the tunnel encapsulation table, has only public network label and outgoing interface information simultaneously.
For mirror image destination interface place equipment, equipment issues two strip label forwarding-table items of corresponding public network of difference and private network.The type of action of public network Label Forwarding Information Base is for ejecting.Private network tags is transmitted action and is forwarding, and mirror image outgoing interface mark and outgoing interface information are arranged.
304, after the image source message enters the image source port, find the image source port label P2MP mirror image group of having learnt this port binding according to port configuration list.After the normal forwarding of image source message, duplicate complete image source message as payload, search the tunnel encapsulation table according to the tunnel encapsulation table index in the port configuration list.After encapsulating two-layer label according to encapsulated type A, according to sending from the Multicast Tunnel outgoing interface behind the outgoing interface information encapsulation public network link layer header information.
305, message is searched Label Forwarding Information Base action according to packet outer layer label and is exchange on the P node device, and to find encapsulated type be B and have only the public network label according to the tunnel encapsulation table index.After then replacing the outer layer label of original message, according to sending from the Multicast Tunnel outgoing interface behind the outgoing interface information encapsulation public network link layer header information.
306, after mirror image destination interface place equipment is received message, at first search Label Forwarding Information Base according to outer layer label, obtain action for ejecting, search Label Forwarding Information Base once more according to vpn label after ejecting outer layer label, obtaining action is that forwarding and mirror image outgoing interface mark are effective, directly peel off public network link layer header information, according to the outgoing interface information in the Label Forwarding Information Base complete private network data are sent then.
The image source message is invisible on public network among the said method embodiment of the present invention, and it is destroyed that its link layer data are not easy, and fail safe is higher.The initial data that the image source port is received can intactly be sent from mirror image purpose interface, the observer can obtain complete link layer information, comprise link layer address, VLAN ID, information such as 8021P MPLS label, be easier to the phase-split network discharge model, fault produces reason and attack pattern.Realize that point guarantees that to the image feature of multiple spot less flow is arranged on network, accomplish the influence to Network data forwarding minimum.After the mirror image initial data is encapsulated into multicasting VPN public network head as complete private network payload user data, guarantee that the link layer information of initial data is not destroyed.This programme is not only applicable to a little arrive the port remote port mirror image of multiple spot, is equally applicable to a little arrive the message Lawful Interception of multiple spot.
Embodiment four:
As shown in Figure 4, be the apparatus structure schematic diagram of the one-to-many Port Mirroring of the embodiment of the invention four, described device comprises:
As shown in Figure 5, be another apparatus structure schematic diagram of the embodiment of the invention four to the multiport mirror image.Optionally, described device is except that comprising above-mentioned acquiring unit 401 and mirror image unit 402, can also comprise: unit 403 is set up in the tunnel, be used for described obtain the image source message by the image source port before, the described point of establish mirror image source port and mirror image destination interface is to the Multicast Tunnel of multiple spot.Unit 403 is set up in described tunnel, and the described point that is used to set up can comprise one of following to the Multicast Tunnel of multiple spot: the multicast distribution tree of on public network, setting up, based on the point of tag distribution protocol LDP to the multiple spot Multicast Tunnel, based on the point of RSVP RSVP to the multiple spot Multicast Tunnel.Described mirror image unit 402, be further used for link layer data with described image source message as payload, utilize described point to encapsulate to the public net message head of the Virtual Private Network at the Multicast Tunnel place of multiple spot, the message after will encapsulating then arrives the mirror image destination interface by the public network image copying.Described mirror image unit 402 is further used for the message after the described encapsulation is comprised to the mirror image destination interface by the public network image copying: the message after the described encapsulation is transmitted the back image copying to the mirror image destination interface by the vendor equipment P on the public network.
Said apparatus embodiment of the present invention obtains the image source message because adopt by the image source port; Utilize point to the Multicast Tunnel of multiple spot described image source message to be passed through the technological means of public network image copying to the mirror image destination interface, so the image source message is invisible on public network, it is destroyed that its link layer data are not easy, and fail safe is higher.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct related hardware to finish by program, described program can be stored in the computer read/write memory medium, this program is when carrying out, comprise above-mentioned all or part of step, described storage medium, as: ROM/RAM, disk, CD etc.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1, a kind of method of one-to-many Port Mirroring is characterized in that, described method comprises:
Obtain the image source message by the image source port;
Utilize point described image source message to be arrived the mirror image destination interface by the public network image copying to the Multicast Tunnel of multiple spot.
2, method according to claim 1 is characterized in that, described obtain the image source message by the image source port before, described method also comprises:
Set up the Multicast Tunnel of the described point of described image source port and described mirror image destination interface to multiple spot.
3, as method as described in the claim 2, it is characterized in that,
Described point comprises one of following to the Multicast Tunnel of multiple spot: the multicast distribution tree of on public network, setting up, based on the point of tag distribution protocol LDP to the multiple spot Multicast Tunnel, based on the point of RSVP RSVP to the multiple spot Multicast Tunnel.
4, method according to claim 1 is characterized in that the Multicast Tunnel that multiple spot is put in described utilization comprises by the public network image copying described image source message to the mirror image destination interface:
As payload, utilize described point to encapsulate the link layer data of described image source message to the public net message head of the Virtual Private Network at the Multicast Tunnel place of multiple spot, the message after will encapsulating then by the public network image copying to the mirror image destination interface.
5, as method as described in the claim 4, it is characterized in that the message after described will the encapsulation comprises to the mirror image destination interface by the public network image copying:
Message after the described encapsulation is transmitted the back image copying to the mirror image destination interface by the vendor equipment P on the public network.
6, a kind of device of one-to-many Port Mirroring is characterized in that, described device comprises:
Acquiring unit is used for obtaining the image source message by the image source port;
Mirror image unit is used to utilize the Multicast Tunnel that a little arrives multiple spot that described image source message is arrived the mirror image destination interface by the public network image copying.
7, as device as described in the claim 6, it is characterized in that described device also comprises:
The unit is set up in the tunnel, be used for described obtain the image source message by the image source port before, set up the Multicast Tunnel of the described point of described image source port and described mirror image destination interface to multiple spot.
8, as device as described in the claim 7, it is characterized in that,
The unit is set up in described tunnel, and the described point that is used to set up comprises one of following to the Multicast Tunnel of multiple spot: the multicast distribution tree of on public network, setting up, based on the point of tag distribution protocol LDP to the multiple spot Multicast Tunnel, based on the point of RSVP RSVP to the multiple spot Multicast Tunnel.
9, as device as described in the claim 6, it is characterized in that, described mirror image unit, be further used for link layer data with described image source message as payload, utilize described point to encapsulate to the public net message head of the Virtual Private Network at the Multicast Tunnel place of multiple spot, the message after will encapsulating then arrives the mirror image destination interface by the public network image copying.
10, as device as described in the claim 9, it is characterized in that, described mirror image unit is further used for the message after the described encapsulation is comprised to the mirror image destination interface by the public network image copying: the message after the described encapsulation is transmitted the back image copying to the mirror image destination interface by the vendor equipment P on the public network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910163696A CN101621477A (en) | 2009-08-13 | 2009-08-13 | Method and device for one-to-many port mirror image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910163696A CN101621477A (en) | 2009-08-13 | 2009-08-13 | Method and device for one-to-many port mirror image |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101621477A true CN101621477A (en) | 2010-01-06 |
Family
ID=41514528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910163696A Pending CN101621477A (en) | 2009-08-13 | 2009-08-13 | Method and device for one-to-many port mirror image |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101621477A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377646A (en) * | 2010-08-12 | 2012-03-14 | 盛科网络（苏州）有限公司 | Forwarding chip, network switching system and multicast implementation method |
| WO2014131350A1 (en) * | 2013-02-26 | 2014-09-04 | Hangzhou H3C Technologies Co., Ltd. | Multicasting a data message in a multi-site network |
| CN106130800A (en) * | 2016-08-29 | 2016-11-16 | 杭州迪普科技有限公司 | A kind of processing method and processing device of Frame |
| CN106961400A (en) * | 2017-03-30 | 2017-07-18 | 深圳市神云科技有限公司 | A kind of method and system for realizing cloud platform virtual port mirror image |
| CN107888518A (en) * | 2017-10-20 | 2018-04-06 | 深圳市楠菲微电子有限公司 | For the method and device to E-Packet |
| CN112653628A (en) * | 2020-12-23 | 2021-04-13 | 新华三技术有限公司 | ERSPAN method and network equipment |
| CN115001857A (en) * | 2022-07-19 | 2022-09-02 | 济南慧天云海信息技术有限公司 | Security isolation and data packet distribution method and system based on gatekeeper |
| CN117729052A (en) * | 2024-02-06 | 2024-03-19 | 北京天维信通科技股份有限公司 | Multi-port-based tunnel traffic confusion method and device |
| CN118473921A (en) * | 2024-07-09 | 2024-08-09 | 天翼云科技有限公司 | Method and device for planning CDN edge node port opening |
-
2009
- 2009-08-13 CN CN200910163696A patent/CN101621477A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377646A (en) * | 2010-08-12 | 2012-03-14 | 盛科网络（苏州）有限公司 | Forwarding chip, network switching system and multicast implementation method |
| WO2014131350A1 (en) * | 2013-02-26 | 2014-09-04 | Hangzhou H3C Technologies Co., Ltd. | Multicasting a data message in a multi-site network |
| US9871721B2 (en) | 2013-02-26 | 2018-01-16 | Hewlett Packard Enterprise Development Lp | Multicasting a data message in a multi-site network |
| CN106130800B (en) * | 2016-08-29 | 2020-01-03 | 杭州迪普科技股份有限公司 | Data frame processing method and device |
| CN106130800A (en) * | 2016-08-29 | 2016-11-16 | 杭州迪普科技有限公司 | A kind of processing method and processing device of Frame |
| CN106961400A (en) * | 2017-03-30 | 2017-07-18 | 深圳市神云科技有限公司 | A kind of method and system for realizing cloud platform virtual port mirror image |
| CN106961400B (en) * | 2017-03-30 | 2020-10-23 | 树根互联技术有限公司 | Method and system for realizing virtual port mirror image of cloud platform |
| CN107888518A (en) * | 2017-10-20 | 2018-04-06 | 深圳市楠菲微电子有限公司 | For the method and device to E-Packet |
| CN112653628A (en) * | 2020-12-23 | 2021-04-13 | 新华三技术有限公司 | ERSPAN method and network equipment |
| CN112653628B (en) * | 2020-12-23 | 2022-07-12 | 新华三技术有限公司 | ERSPAN method and network equipment |
| CN115001857A (en) * | 2022-07-19 | 2022-09-02 | 济南慧天云海信息技术有限公司 | Security isolation and data packet distribution method and system based on gatekeeper |
| CN117729052A (en) * | 2024-02-06 | 2024-03-19 | 北京天维信通科技股份有限公司 | Multi-port-based tunnel traffic confusion method and device |
| CN117729052B (en) * | 2024-02-06 | 2024-04-16 | 北京天维信通科技股份有限公司 | Multi-port-based tunnel traffic confusion method and device |
| CN118473921A (en) * | 2024-07-09 | 2024-08-09 | 天翼云科技有限公司 | Method and device for planning CDN edge node port opening |
| CN118473921B (en) * | 2024-07-09 | 2024-09-03 | 天翼云科技有限公司 | Method and device for planning CDN edge node port opening |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101621477A (en) | Method and device for one-to-many port mirror image | |
| CN106878166B (en) | Route notification method and device | |
| US9509609B2 (en) | Forwarding packets and PE devices in VPLS | |
| CN104135420B (en) | A kind of method, equipment and the system of message forwarding | |
| CN101155130B (en) | Method for learning MAC address and system and equipment for conveying VPLS client data | |
| CN103748835B (en) | The dynamic renewal of label switched path | |
| CN105099846B (en) | The method and supplier edge device of data message transmission | |
| CN100563190C (en) | Realize the method and system of hierarchical virtual private switch service | |
| US8125926B1 (en) | Inter-autonomous system (AS) virtual private local area network service (VPLS) | |
| CN101345715B (en) | MAC address learning method and system based on VPLS dual-homing network | |
| CN109218159B (en) | Method, system, provider edge device and customer edge device for notifying information | |
| CN107040469A (en) | The network equipment and method | |
| CN106375105B (en) | A kind of method, controller, interchanger and the system of determining path failure | |
| CN105591868B (en) | A kind of cut-in method and device of Virtual Private Network VPN | |
| CN102377630A (en) | Traffic engineering tunnel-based virtual private network implementation method and traffic engineering tunnel-based virtual private network implementation system | |
| CN102694718A (en) | Virtual private LAN service (VPLS) rapid rerouting method and equipment thereof | |
| US9112711B2 (en) | Optimizing OTV multicast traffic flow for site local receivers | |
| CN102316014B (en) | Load sharing method and router under hierarchical virtual dedicated local area network service environment | |
| CN103326915A (en) | Method, device and system for achieving three-layer VPN | |
| CN103326940A (en) | Method for forwarding message in network and edge device of operator | |
| CN102413060A (en) | User private line communication method and equipment used in VPLS (Virtual Private LAN (Local Area Network) Service) network | |
| US11296997B2 (en) | SDN-based VPN traffic scheduling method and SDN-based VPN traffic scheduling system | |
| CN101299723B (en) | Method and apparatus for managing label switching route tunnel information | |
| CN103795630A (en) | Message transmitting method and device of label switching network | |
| CN104092554A (en) | Multicast distribution tree establishment method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100106 |