CN103051739A - Network terminal and IP (Internet Protocol) address configuration method thereof - Google Patents
Network terminal and IP (Internet Protocol) address configuration method thereof Download PDFInfo
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Abstract
The invention discloses an IP (Internet Protocol) address configuration method, which comprises the following steps of: verifying whether a terminal IP address is valid or not; and when the IP address is verified to be invalid, activating an IP address carried by a PDP context accept message, carrying the IP address in a static configuration message, sending to a terminal, and enabling the terminal to configure the IP address. The invention also discloses a network terminal simultaneously. Due to the adoption of the technical scheme of the invention, the problems that the terminal adopts a stateless automatic configuration manner to cause failure in configuring an IPv6 address to access an IPv6 network for distributing network address prefixes and interface identifiers simultaneously, terminal DHCP (Dynamic host configuration protocol) Client service is forbidden or abnormal, and failure in accessing an IPv4 network as a valid IPv4 address cannot be acquired, are solved.
Description
Technical field
The present invention relates to the network communications technology, relate in particular to the method for a kind of network terminal and configuration of the Internet protocol thereof (IP, Internet Protocol) address.
Background technology
Current, IPv6 (IPv6, Internet Protocol Version 6) network is day by day universal, as with terminal accessing IP v6 network of network terminal, only support terminal adopts stateless auto configuration mode configuration of IP v6 address at present, and namely terminal configuration is in conjunction with the IPv6 address of the network address prefix formation that self generates at random interface identifier and IPv6 network router bulletin.If the address distribution of current access IPv6 network be simultaneously distribution network address prefix and interface identifier, then can be owing to the interface identifier conflict, make the IP packet of terminal transmission can't correct route, cause terminal accessing IP v6 network failure;
Simultaneously, terminal accesses Internet Protocol Version 4 (IPv4 by the network terminal, Internet Protocol Version4) during network, if terminal is not opened DynamicHost agreement (DHCP is set, Dynamic Host Configuration Protocol) client (Client) service, and current network terminal only support terminal adopts DHCP mode configuration of IP v4 address, and this just causes terminal can't obtain effective IPv4 address, thereby makes terminal can't access the IPv4 network.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of network terminal and configuration of IP address method thereof, when solution is passed through the network terminal access network owing to terminal, because network interface identification collision, or terminal D HCP Client service is under an embargo or unusually, causes the problem of accessing terminal to network failure.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of configuration of the Internet protocol IP address approach, the method comprises:
Whether verification terminal IP address is effective;
When verification terminal IP address is invalid, will activates packet data protocol (PDP, Packet Data Protocol) context and accept the IP address that message is carried, and be carried in the static configuration message and be sent to terminal, so that the described IP of terminal configuration address.
Further, when described IP address of terminal is the automatic configuration of IP v6 of stateless address, described verification terminal IP address whether effectively before, the method also comprises:
Send router advertisement (RA, the Router Advertisement) message that the IPv6 network issues to terminal, so that terminal configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
Further, when described IP address of terminal was the automatic configuration of IP v6 of stateless address, whether described verification terminal IP address effectively comprised:
To domain name system (DNS, Domain Name System) server sends internet control message protocol (ICMP, Internet Control Message Protocol) echo request message, and the source IP address of described ICMP echo request message is described IP address of terminal, if receive ICMP Echo Reply message, judge that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Further, when described IP address of terminal was DHCP IPv4 address, whether described verification terminal IP address effectively comprised:
Judge that whether IP address of terminal is Automatic Private IP Addressing (APIPA, Automatic Private IP Address), if so, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Further, after described verification terminal IP address is invalid, and described IP address of terminal is when being the automatic configuration of IP v6 of stateless address, and the method also comprises:
Detect and abandon the RA message that the IPv6 network issues.
The present invention also provides a kind of network terminal, and this network terminal comprises: authentication module and static configuration module; Wherein,
Described authentication module, whether be used for verification terminal IP address effective;
Described static configuration module when invalid for authentication module verification terminal IP address, is accepted the IP address that message is carried with activating PDP Context, is carried in the static configuration message and is sent to terminal, so that the described IP of terminal configuration address.
Further, this network terminal also comprises:
The router message processing module, be used for the automatic configuration of IP v6 of authentication module verification terminal stateless address whether effectively before, send the RA message that the IPv6 network issues to terminal, so that terminal configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
Further, described authentication module, concrete for whether effective in verification terminal IP address, and when described IP address of terminal is the automatic configuration of IP v6 of stateless address, send ICMP echo request message to dns server, and the source IP address of described ICMP echo request message is described IP address of terminal, if receive ICMP Echo Reply message, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Further, whether described authentication module concrete is used for effectively in verification terminal IP address, and described IP address of terminal judges that whether IP address of terminal is APIPA, if so, judges that then IP address of terminal is effective when being DHCP IPv4 address; Otherwise, judge that IP address of terminal is invalid.
Further, described router message processing module also is used for detecting and abandon the RA message that the IPv6 network issues after the automatic configuration of IP v6 of authentication module verification terminal stateless address is invalid.
In the technical scheme provided by the present invention, after the verification terminal configuration of IP address is invalid, accept the IP address that message is carried with activating PDP Context, be carried in the static configuration message and be sent to terminal, so that the described IP of terminal configuration address, so: when the IPv6 network of terminal access while distribution network address prefix and interface identifier, the activation PDP Context that terminal static configuration IPv6 network is returned is accepted the IPv6 address that message is carried, thereby guarantees that terminal can access described IPv6 network; When terminal access to IPv 4 network and terminal D HCPClient service is under an embargo or is unusual, the activation PDP Context that terminal static configuration IPv4 network is returned is accepted the IPv4 address that message is carried, avoided terminal D HCP Client service to be under an embargo or when unusual, terminal can't be obtained the situation that effective IPv4 address causes accessing the IPv4 network failure.
Description of drawings
Fig. 1 is the realization flow schematic diagram of configuration of IP address method of the present invention;
Fig. 2 is the composition structural representation of the network terminal of the present invention;
Fig. 3 is the realization flow schematic diagram of network terminal configuration of IP v6 address embodiment of the present invention;
Fig. 4 is the realization flow schematic diagram of network terminal configuration of IP v4 address embodiment of the present invention.
Embodiment
The present invention will be further described in detail below in conjunction with drawings and the specific embodiments.
Fig. 1 is the realization flow schematic diagram of configuration of IP address method of the present invention, and as shown in Figure 1, the method comprises:
Step 101: whether verification terminal IP address is effective;
Before the step 101, also comprise: activate the PDP Context with IPv4 network or IPv6 network.Be specially: send to IPv4 network or IPv6 network and activate the PDP Context request message, and receive the activation PDP Context that corresponding IPv4 network or IPv6 network return and accept message.
Wherein, service universal grouping wireless service (GPRS in IPv4 network or the IPv6 network, General Packet Radio Service) support node (SGSN, Serving GPRS Support Node) and Gateway GPRS Support Node (GGSN, Gateway GPRS Support Node) follows the 3GPP standard, response activates the PDP Context request message, carries out service interaction, and returns the activation PDP Context and accept message.
Here, when described IP address of terminal is the automatic configuration of IP v6 of stateless address, described verification terminal IP address whether effectively before, the method also comprises:
Send the RA message that the IPv6 network issues to terminal, so that terminal configuration forms the IPv6 address in conjunction with the network address prefix that self generates at random interface identifier and described RA message and carry.
Wherein, described RA message is regularly initiatively issued by the IPv6 network router, or issues received router solicitation (RS, the Router Solicitation) message of terminal by the IPv6 network router after.
Here, when described IP address of terminal was the automatic configuration of IP v6 of stateless address, whether described verification terminal IP address effectively comprised:
Send ICMP echo request message to dns server, and described ICMP echo request message source IP address is IP address of terminal, if receive ICMP Echo Reply message, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Wherein, the automatic configuration of IP v6 of described stateless address is: the network address prefix that the RA message that terminal issues according to the IPv6 network is carried, and in conjunction with the IPv6 address that self generates at random the interface identifier configuration.
Wherein, behind the automatic configuration of IP v6 of the described stateless of terminal configuration address, the source IP address that the packet that initiatively sends by analysing terminal carries, can obtain the automatic configuration of IP v6 of the stateless address of terminal, to send source IP address to dns server as the ICMP echo request message of the automatic configuration of IP v6 of described stateless address; At this moment, if the IPv6 address assignment type of IPv6 network is while distribution network prefix addresses and interface identifier, because the interface identifier conflict that described interface identifier meeting and terminal generate at random, this just makes the IPv6 address of IPv6 network allocation and the automatic configuration of IP v6 address conflict of stateless of terminal, thereby, source IP address is that the packet of the ICMP echo request message of the automatic configuration of IP v6 of described stateless address can't correctly be forwarded to dns server in the IPv6 network, causes receiving ICMP Echo Reply message.So, can according to whether receiving ICMP Echo Reply message, whether the automatic configuration of IP v6 of the stateless of verification terminal address is effective.
Here, when described IP address of terminal was DHCP IPv4 address, whether described verification terminal IP address effectively comprised:
Judge that whether terminal IPv4 address is APIPA, if so, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Wherein, unusual or be under an embargo when terminal D HCP Client service; when causing obtaining the failure of DHCP IPv4 address; terminal can be according to the standard provisioning API PA of RFC3927; be that 169.254.1.0 is to the link local address of 169.254.254.255; so, when terminal IPv4 address prefix is 169.254, can judge that IP address of terminal is invalid.
Step 102: when verification terminal IP address is invalid, accept the IP address that message is carried with activating PDP Context, be carried in the static configuration message and be sent to terminal, so that the described IP of terminal configuration address.
Here, when the automatic configuration of IP v6 of verification terminal stateless address is invalid, the IP address assignment type that shows terminal accessing IP v6 network is while distribution network prefix addresses and interface identifier, so, accept the IPv6 address that message is carried by the activation PDP Context that described IPv6 network is returned, be carried in the static configuration message and be sent to terminal, can make the IPv6 address of terminal static configuration IPv6 network allocation.
Here, described static configuration message can send by driving passage.
Here, after verification terminal IP address is invalid, and described IP address of terminal is when being the automatic configuration of IP v6 of stateless address, and the method also comprises:
Detect and abandon the RA message that the IPv6 network issues.
Wherein, accept message receiving the activation PDP Context that the IPv6 network returns, behind the PDP Context of activation and IPv6 network, if detect the RA message that the IPv6 network issues, then described RA message is abandoned, but not send to terminal, after avoiding terminal to receive described RA message, configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
Here; when verification terminal DHCP IPv4 address is invalid; show that terminal D HCP Client service is unusual or be under an embargo; can't initiatively initiate dhcp process and obtain the IPv4 address; so; be sent to terminal by PDP Context being accepted the IPv4 address that message carries by static configuration message, can make the IPv4 address of terminal static configuration IPv4 network allocation.
Fig. 2 is the composition structural representation of the network terminal of the present invention, and as shown in Figure 2, this network terminal comprises: authentication module 21 and static configuration module 22; Wherein,
Described authentication module 21, whether be used for verification terminal IP address effective;
Described static configuration module 22 when invalid for authentication module 21 verification terminal IP addresses, is accepted the IP address that message is carried with activating PDP Context, is carried in the static configuration message and is sent to terminal, so that the described IP of terminal configuration address.
Further, this network terminal also comprises:
Router message processing module 23, be used for the automatic configuration of IP v6 of authentication module 21 verification terminal stateless address whether effectively before, send the RA message that the IPv6 network issues to terminal, so that terminal configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
Further, described authentication module 21, concrete for whether effective in verification terminal IP address, and when described IP address of terminal is the automatic configuration of IP v6 of stateless address, send ICMP echo request message to dns server, and the source IP address of described ICMP echo request message is described IP address of terminal, if receive ICMP Echo Reply message, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Further, described authentication module 21, concrete for whether effective in verification terminal IP address, and when described IP address of terminal is DHCP IPv4 address, judge that whether IP address of terminal is Automatic Private IP Addressing APIPA, if so, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
Further, described router message processing module 23 also is used for detecting and abandon the RA message that the IPv6 network issues after the automatic configuration of IP v6 of authentication module 21 verification terminal stateless address is invalid.
Embodiment one
In the present embodiment, the network terminal is used for lower extension terminal accessing IP v6 network.
Fig. 3 is the realization flow schematic diagram of network terminal configuration of IP v6 address embodiment of the present invention, as shown in Figure 3, comprising:
Step 301: the networking instruction that network terminal receiving terminal is assigned, activate the PDP Context with the IPv6 network;
Be specially: during networking instruction that network terminal receiving terminal is assigned, send the PDP Context request that activates to the IPv6 network, SGSN in the IPv6 network and GGSN follow the 3GPP standard, response activates the PDP Context request message, carry out service interaction, return the activation PDP Context to the network terminal and accept message.
Step 302: the network terminal judges whether the automatic configuration identifier of stateless is "Yes"; If so, then change step 303 over to; Otherwise, change step 307 over to;
Wherein, the automatic configuration identifier initial condition of network terminal stateless can be default according to the IPv6 network address method of salary distribution; The automatic configuration identifier state of stateless comprises "Yes" or "No", and corresponding representative allows or do not allow terminal to use stateless auto configuration mode configuration of IP v6 address.
Step 303: the network terminal sends to the IPv6 network with the RS message of terminal, and the RA message that the IPv6 network issues is sent to terminal;
So, can form the IPv6 address in conjunction with self generating at random the network address prefix that interface identifier and described RA message carries by terminal configuration.
Step 304: whether network terminal verification terminal IPv6 address is effective, if effectively, then change step 306 over to, stops this processing; Otherwise, change step 305 over to;
Wherein, whether network terminal verification terminal IPv6 address is effective, be specially: the network terminal sends ICMP echo request message to dns server, and described ICMP echo request message source IP address is described IPv 6 terminal address, if receive ICMP Echo Reply message, judge that then IPv 6 terminal address is effective; Otherwise, judge that IPv 6 terminal address is invalid.
Wherein, the network terminal sends ICMP echo request message to dns server, and maximum number of times of transmission can be set, if when sending ICMP echo request message above maximum number of times of transmission, still do not receive ICMP Echo Reply message, judges that then IPv 6 terminal address is invalid.
Step 305: with the automatic configuration identifier negate of stateless, and change step 302 over to;
Wherein, the automatic configuration identifier negate of stateless is specially: if the automatic configuration identifier of stateless is "Yes", then the automatic configuration identifier of stateless is set to "No"; If the automatic configuration identifier of stateless is "No", then the automatic configuration identifier of stateless is set to "Yes".
Step 306: stop this processing;
Step 307: the network terminal will activate PDP Context and accept the IPv6 address that message is carried, and be carried in the static configuration message and be sent to terminal.
Wherein, be sent to terminal by the static configuration message that will carry the IPv6 address, can make the described IPv6 of terminal static configuration address.
Wherein, behind the PDP Context of network terminal activation and IPv6 network, if detect the RA message that the IPv6 network issues, then described RA message is abandoned, but not send to terminal, after avoiding terminal to receive described RA message, configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
Wherein, the network terminal sends described static configuration message to terminal by driving passage.
Embodiment two
In the present embodiment, the network terminal is used for lower extension terminal access to IPv 4 network, and lower extension terminal is configured to use the DHCP mode to obtain the IPv4 address.
Fig. 4 is the realization flow schematic diagram of network terminal configuration of IP v4 address embodiment of the present invention, as shown in Figure 4, comprising:
Step 401: the networking instruction that network terminal receiving terminal is assigned, activate the PDP Context with the IPv6 network;
The PDP Context that the described network terminal activates with the IPv4 network is specially: when the network terminal receives the networking instruction that terminal assigns, send the PDP Context request that activates to the IPv4 network, SGSN in the IPv4 network and GGSN follow the 3GPP standard, carry out service interaction, return the activation PDP Context to the network terminal and accept message.
Step 402: whether network terminal verification terminal IPv4 address is effective, if effectively, then change step 404 over to, stops this processing; Otherwise, change step 403 over to;
Wherein, whether network terminal verification terminal IPv4 address is effective, is specially: the network terminal judges whether terminal IPv4 address prefix is 169.254, if so, judges that then terminal IPv4 address is effective; Otherwise, judge that terminal IPv4 address is invalid.
Step 403: the network terminal will activate PDP Context and accept the IPv4 address that message is carried, and be carried in the static configuration message and be sent to terminal.
Wherein, be sent to terminal by the static configuration message that will carry the IPv4 address, can make the described IPv4 of terminal static configuration address.
Wherein, described static configuration message can also be carried the activation PDP Context and be accepted the dns server address that message is carried, and can use the domain name mapping service to guarantee terminal.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.
Claims (10)
1. configuration of the Internet protocol IP address approach is characterized in that the method comprises:
Whether verification terminal IP address is effective;
When verification terminal IP address is invalid, accept the IP address that message is carried with activating the packet data protocol PDP Context, be carried in the static configuration message and be sent to terminal, so that the described IP of terminal configuration address.
2. method according to claim 1 is characterized in that, when described IP address of terminal is the automatic configuration of the Internet protocol version of stateless 6IPv6 address, described verification terminal IP address whether effectively before, the method also comprises:
Send the router advertisement RA message that the IPv6 network issues to terminal, so that terminal configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
3. method according to claim 1 is characterized in that, when described IP address of terminal was the automatic configuration of IP v6 of stateless address, whether described verification terminal IP address effectively comprised:
Send internet control message protocol ICMP echo request message to the DNS dns server, and the source IP address of described ICMP echo request message is described IP address of terminal, if receive ICMP Echo Reply message, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
4. method according to claim 1, described IP address of terminal are DynamicHost when protocol DHCP Internet Protocol Version 4 IPv4 address is set, and whether described verification terminal IP address effectively comprises:
Judge that whether IP address of terminal is Automatic Private IP Addressing APIPA, if so, judges that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
5. according to claim 1,2,3 or 4 described methods, after described verification terminal IP address is invalid, and described IP address of terminal is when being the automatic configuration of IP v6 of stateless address, the method also comprises:
Detect and abandon the RA message that the IPv6 network issues.
6. a network terminal is characterized in that, this network terminal comprises: authentication module and static configuration module; Wherein,
Described authentication module, whether be used for verification terminal IP address effective;
Described static configuration module when invalid for authentication module verification terminal IP address, is accepted the IP address that message is carried with activating PDP Context, is carried in the static configuration message and is sent to terminal, so that the described IP of terminal configuration address.
7. the network terminal according to claim 6 is characterized in that, this network terminal also comprises:
The router message processing module, be used for the automatic configuration of IP v6 of authentication module verification terminal stateless address whether effectively before, send the RA message that the IPv6 network issues to terminal, so that terminal configuration is carried the IPv6 address that network address prefix forms in conjunction with self generating at random interface identifier and described RA message.
8. the network terminal according to claim 6 is characterized in that,
Described authentication module, concrete for whether effective in verification terminal IP address, and when described IP address of terminal is the automatic configuration of IP v6 of stateless address, send ICMP echo request message to dns server, and the source IP address of described ICMP echo request message is described IP address of terminal, if receive ICMP Echo Reply message, judge that then IP address of terminal is effective; Otherwise, judge that IP address of terminal is invalid.
9. the network terminal according to claim 6 is characterized in that,
Whether described authentication module concrete is used for effectively in verification terminal IP address, and described IP address of terminal judges that whether IP address of terminal is APIPA, if so, judges that then IP address of terminal is effective when being DHCP IPv4 address; Otherwise, judge that IP address of terminal is invalid.
10. according to claim 6,7, the 8 or 9 described network terminals, it is characterized in that,
Described router message processing module also is used for detecting and abandon the RA message that the IPv6 network issues after the automatic configuration of IP v6 of authentication module verification terminal stateless address is invalid.
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| CN2012105318153A CN103051739A (en) | 2012-12-11 | 2012-12-11 | Network terminal and IP (Internet Protocol) address configuration method thereof |
| PCT/CN2013/079915 WO2013167072A2 (en) | 2012-12-11 | 2013-07-23 | Network terminal and method for configuration internet protocol address thereof |
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| CN2012105318153A CN103051739A (en) | 2012-12-11 | 2012-12-11 | Network terminal and IP (Internet Protocol) address configuration method thereof |
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| CN111131548A (en) * | 2019-12-30 | 2020-05-08 | 奇安信科技集团股份有限公司 | Information processing method, apparatus and computer readable storage medium |
| CN111131548B (en) * | 2019-12-30 | 2022-06-28 | 奇安信科技集团股份有限公司 | Information processing method, apparatus and computer readable storage medium |
| CN113949731A (en) * | 2021-10-12 | 2022-01-18 | 深兰科技（上海）有限公司 | Network automatic connection method, device, medium and electronic equipment |
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| Publication number | Publication date |
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| WO2013167072A3 (en) | 2013-12-27 |
| WO2013167072A2 (en) | 2013-11-14 |
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