CN112104712B - Stacking system member equipment and remote management method thereof - Google Patents
Stacking system member equipment and remote management method thereof Download PDFInfo
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- CN112104712B CN112104712B CN202010892858.9A CN202010892858A CN112104712B CN 112104712 B CN112104712 B CN 112104712B CN 202010892858 A CN202010892858 A CN 202010892858A CN 112104712 B CN112104712 B CN 112104712B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/54—Presence management, e.g. monitoring or registration for receipt of user log-on information, or the connection status of the users
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- 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
- H04L61/10—Mapping addresses of different types
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The application provides a stacking system member device and a remote management method thereof. The member device determines that the stacking system is split; sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link; judging whether the equipment is in an activated state in the management special stacking system or not based on the management special opposite terminal multi-activation detection message; if yes, receiving an opposite terminal management address notification message through a management special direct connection detection link; generating a static management special address resolution table item; and establishing a remote login session with the remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the network management static state establishes the remote login session with the recovered member equipment according to the static management special address resolution list item to manage the recovered member equipment.
Description
Technical Field
The application relates to a communication technology, in particular to a stacking system member device and a remote management method thereof.
Background
The stacking technique is a kind of N: the virtualization technology is characterized in that a plurality of member devices are connected together to be virtualized into one device, so that hardware resources and software processing capacity of the plurality of devices are integrated, and unified management and maintenance of the plurality of devices are realized.
When the stack system normally operates, the stack system is uniformly managed through a management IP address. However, when a stack link within the stack system fails, member devices split between themselves. Or, when the stacking system performs software version upgrading operation, an upgrading mode of member devices one by one or a mode of uninterrupted upgrading of services is adopted, and due to incompatibility of new and old versions, stacking splitting also occurs in the upgrading process.
In the stacking system adopting direct connection Detection, after member devices or a main device of a new stacking system after the splitting determines that the stacking system is split, a Multi-Active Detection (MAD) message is sent and received through a direct connection Detection link, then one member device/stacking system determines that the member device/stacking system or the stacking system where the member device/stacking system is located keeps an Active activation state according to an election strategy, other member devices/stacking systems are switched to a Recovery state, and a service port and a management interface for receiving/forwarding the message are closed. However, the management interface is closed, so that the remote network management device establishes a session through the management interfaces of the recovered member devices, and cannot perform remote management.
Disclosure of Invention
The application aims to provide a stacking system member device and a remote management method thereof, so that a remote network management device establishes a remote login session with a member device in a recovery state through the member device in an activation state and manages the remote login session.
To achieve the above object, the present application provides a method for remotely managing member devices of a stacking system, the method comprising: determining a stacking system split; sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link; judging whether the equipment is in an activated state in the stacking system or not based on the opposite-end multi-activation detection message; if yes, receiving an opposite terminal management address notification message through a direct connection detection link; the opposite terminal management address notification message comprises an opposite terminal management special MAC address and an opposite terminal management special IP address of member equipment in a recovery state in the stacking system; generating a static management special address resolution table item; recording that an opposite terminal management private IP address corresponds to an opposite terminal management private MAC address and a local port connected with a direct connection detection link; and establishing a remote login session with the remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the remote network management equipment establishes the remote login session with the recovered member equipment according to the static management special address resolution table entry to manage the recovered member equipment.
To achieve the above object, the present application also provides a member device of a stacking system, the member device comprising a processor and a memory; the processor executes the processor-executable instructions in the memory to perform the following operations: determining a stacking system split; sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link; judging whether the equipment is in an activated state in the stacking system or not based on the opposite-end multi-activation detection message; if yes, receiving an opposite terminal management address notification message through a direct connection detection link; wherein, the opposite terminal management address notification message comprises an opposite terminal management special MAC address and an opposite terminal management special IP address of member equipment in a recovery state in the stacking system; generating a static management special address resolution table item; recording that an opposite terminal management private IP address corresponds to an opposite terminal management private MAC address and a local port connected with a direct connection detection link; and establishing a remote login session with the remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the remote network management equipment establishes the remote login session with the recovered member equipment according to the static management special address resolution table entry to remotely manage the recovered member equipment.
The method and the device have the advantages that in the stacking system for performing MAD processing by using the dedicated direct connection detection link, member equipment in a recovery state of a network interface is closed through out-of-band network management, and the universality is high.
Drawings
FIG. 1 is a flow chart of an embodiment of a method for remotely managing stacking system member devices provided herein;
FIG. 2 provides a schematic diagram of an embodiment of a stacking system according to the present application;
fig. 3 is a schematic diagram of an embodiment of a stacking system member device provided in the present application.
Detailed Description
A detailed description will be given of a number of examples shown in a number of figures. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the examples.
The term "including" as that term is used is meant to include, but is not limited to; the term "comprising" means including but not limited to; the terms "above," "within," and "below" include the instant numbers; the terms "greater than" and "less than" mean that the number is not included. The term "based on" means based on at least a portion thereof.
FIG. 1 is a flow chart of an embodiment of a method for remotely managing stacking system member devices provided herein;
And 102, sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link.
And 103, judging that the equipment is in an activated state in the stacking system based on the opposite-end multi-activation detection message.
And 104, receiving an opposite terminal management address notification message through the direct connection detection link.
The opposite end management address notification message contains an opposite end management special MAC address and an opposite end management special IP address of member equipment in a recovery state in the stacking system.
The static management private address resolution table entry records: the peer management private IP address corresponds to the peer management private MAC address and a local port of the direct connection detection link connection.
And 106, establishing a remote login session with the remote network management equipment according to the management IP address of the stacking system configured by the local management interface.
The remote network management equipment logs in the member equipment in the activated state, establishes a remote login session with the member equipment switched to the recovery state by using a static management special address resolution table (static ARP table) on the member equipment in the activated state, and manages the member equipment in the recovery state.
The method and the device have the advantages that in the stacking system for performing MAD processing by using the dedicated direct connection detection link, member equipment in a recovery state of a network interface is closed through out-of-band network management, and the universality is high.
FIG. 2 provides a schematic diagram of an embodiment of a stacking system according to the present application; in fig. 2, the member devices 21 and 22 of the stacking system 20 are connected by a stacking link; the member devices 21 and 22 are also connected by a direct connection detection link. The port 211 of the member device 21 connected to the direct connection detection link is configured with a management private IP address 1P1, and the port 221 of the member device 22 connected to the direct connection detection link is configured with a management private IP address 1P 2.
In this embodiment, the member device 21 is a master device of the stacking system 20, and the member device 22 is a slave device. When the stacking link between the member devices 21 and 22 is disconnected, the member device 21 determines that the stacking system 20 is split, and sends a MAD detection message (not shown) on the direct connection detection link; likewise, the member device 22 determines that the stacking system 20 is split and sends MAD detection messages (not shown) on the direct connection detection link.
The member device 21 receives the MAD detection message from the member device 22, and determines whether the device is kept activated in the stacking system 20. For example, the election policy of the stacking system 20 is that the device with the minimum member device identifier remains in an activated state, and the device identifier carried in the MAD detection message received by the member device 21 is larger; or the election policy of the stacking system 20 is that the device with the highest device priority maintains the activated state, and the device priority carried in the MAD detection packet received by the member device 21 is lower; or the election policy of the stacking system 20 is that the device with the highest forwarding specification maintains the activated state, and the forwarding specification carried by the MAD detection message received by the member device 21 is smaller. The member device 21 determines that the device remains active.
Correspondingly, the member device 22 receives the MAD detection packet from the member device 21, and determines that the device should be switched to the recovery state in the stacking system 20 according to the election policy.
The member device 22 closes the local service port and the local management interface, and sends an LLDP protocol packet 222 through the port 221, where the destination MAC address is a multicast MAC address, the source MAC address is a port 221 special MAC address, and the destination MAC address is composed of a MAC prefix, a Domain identifier (Domain ID) of the stacking system 20, and a member device identifier (Active ID) of the member device 22. The LLDP protocol message 222 management address TLV (Type/Length/Value) field carries the IP address IP2 of the port 221.
The member device 21 receives the LLDP protocol message 222, learns LLDP neighbors, generates a static ARP entry according to the learned LLDP neighbors, and records the special MAC address of the member device 22 corresponding to the IP2 and the port 211 that receives the LLDP protocol message 222.
The member device 21 establishes a telnet (telecommunications network protocol) telnet session with the remote network management device according to the management IP address and MAC address of the stack system 20 configured by the network interface (not shown), the remote network management device logs in the member device 21 remotely, and then establishes a telnet session with the member device 22 according to the static ARP entry of the member device 21, so as to manage the member device 22. If there is a login authentication, the authentication needs to be released on the private link and the private address.
When the stack link between the member devices 21 and 22 is restored and the stack system 20 is reconfigured, the member device 21 deletes the static ARP entry, thereby prohibiting the remote network management device from remotely logging into the member device 22 via the static ARP entry. The member device 22 reopens the service port and the management interface, and the remote network management device performs remote management through the management IP address and the MAC address of the stacking system 20 configured by the management interface of the member device 22.
In the embodiment shown in fig. 2, if the member device 22 determines to maintain the active state according to the received MAD detection packet, the same processing as that of the member device 21 is performed; similarly, if the member device 21 determines to switch to the recovery state according to the received MAD detection packet, the same processing as that of the member device 22 is performed, which is not described in detail herein. After the member device 21 switches to the recovery state, the LLDP protocol packet may be sent through the port 211 after closing the local service port and the management interface, where the destination MAC address is a multicast MAC address, the source MAC address is a special MAC address of the port 211, and the management address TLV field carries the IP address IP1 of the port 211, where the MAC prefix, the Domain identifier (Domain ID) of the stacking system 20, and the member device identifier (Active ID) of the member device 21.
Fig. 3 is a schematic diagram of a member device of a stacking system provided in the present application, where the member device 30 includes a processor, a memory, and a switch chip. Wherein, the memory, the processor and the exchange chip are connected through a bus. The memory is used for storing programs, and the processor calls the programs stored in the memory and/or executable instructions thereof to execute the following operations: determining a stacking system split; sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link; judging whether the equipment is in an activated state in the stacking system or not based on the opposite-end multi-activation detection message; if yes, receiving an opposite terminal management address notification message through a direct connection detection link; wherein, the opposite terminal management address notification message comprises an opposite terminal management special MAC address and an opposite terminal management special IP address of member equipment in a recovery state in the stacking system; generating a static management private address resolution table entry, wherein the static management private address resolution table entry records that an opposite end management private IP address corresponds to an opposite end management private MAC address and a local port connected with a direct connection detection link; and establishing a remote login session with the remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the remote network management equipment establishes the remote login session with the recovered member equipment according to the static management special address resolution table entry to remotely manage the recovered member equipment.
The processor, by executing the processor-executable instructions in the memory, further performs the following: determining that a stacked system is restored; the static management-specific address resolution entry is deleted to disconnect the telnet session that the network management static establishes based on the static management-specific address resolution entry. The opposite end management address announcement message is a link layer discovery protocol; wherein, the source MAC address is the opposite end management special MAC address of the member device in the recovery state; the opposite end management special MAC address consists of a domain identifier of the stacking system and a device identifier of the member device in the recovery state; the management address TLV type length value field of the opposite terminal management address announcement message carries an opposite terminal management special IP address; and the opposite end management special IP address is configured at the direct connection detection link port of the member equipment in the recovery state.
The processor, by executing the processor-executable instructions in the memory, further performs the following: judging that the equipment is in a recovery state in the stacking system based on the opposite-end multi-activation detection message; closing the local service port and the local management interface; sending a local management address notification message through a direct connection detection link; which carries the local management private MAC address and the local management private IP address of the local port. The local multi-activation detection message is a link layer discovery protocol; wherein, the source MAC address is a local management special MAC address; the local management special MAC address consists of a domain identifier of the stacking system and an equipment identifier of the equipment; the management address TLV type length value field of the local management address announcement message carries a local management special IP address; the local management private IP address is configured on the local port.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (10)
1. A method of remotely managing stacked system member devices,
determining a stacking system split;
sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link;
judging whether the equipment is in an activated state in the stacking system or not based on the opposite-end multi-activation detection message;
if yes, receiving an opposite terminal management address notification message through the direct connection detection link; the opposite-end management address notification message comprises an opposite-end management special MAC address and an opposite-end management special IP address of member equipment in a recovery state in the stacking system;
generating a static management special address resolution table item; wherein the opposite end management private IP address is recorded to correspond to the opposite end management private MAC address and the local port connected with the direct connection detection link;
and establishing a remote login session with remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the remote network management equipment establishes the remote login session with the member equipment in the recovery state according to the static management special address resolution table entry to manage the member equipment in the recovery state.
2. The method of claim 1, further comprising:
determining that the stacked system is restored;
deleting the static management private address resolution entry to disconnect a remote login session established by the remote network management device based on the static management private address resolution entry.
3. The method of claim 1, wherein the peer management address advertisement message is a link layer discovery protocol; wherein, the source MAC address is the opposite terminal management special MAC address of the member device in the recovery state; the opposite end management special MAC address consists of an MAC address prefix, a domain identifier of the stacking system and a device identifier of the member device in the recovery state;
the management address type length value field of the opposite terminal management address announcement message carries the opposite terminal management special IP address; and the opposite end management private IP address is configured at a port of a direct connection detection link of the member equipment in the recovery state.
4. The method of claim 1, further comprising:
judging that the equipment is in a recovery state in the stacking system based on the opposite-end multi-activation detection message;
closing a local service port and the local management interface;
sending a local management address notification message through the direct connection detection link; the local management private MAC address and the local management private IP address of the local port are carried.
5. The method of claim 4, wherein the local multi-activity detection packet is a link layer discovery protocol; wherein the source MAC address is the local management private MAC address; the local management special MAC address consists of an MAC address prefix, a domain identifier of the stacking system and an equipment identifier of the equipment; the management address type length value field of the local management address announcement message carries the local management private IP address; the local management private IP address is configured on the local port.
6. A member device of a stacking system, the member device comprising a processor and a memory; the memory is to store processor-executable instructions; wherein the processor, by executing the processor-executable instructions in the memory, is to perform operations comprising: the operations include:
determining a stacking system split;
sending a local multi-activation detection message and receiving an opposite-end multi-activation detection message through a direct connection detection link;
judging whether the equipment is in an activated state in the stacking system or not based on the opposite-end multi-activation detection message;
if yes, receiving an opposite terminal management address notification message through the direct connection detection link; wherein, the opposite terminal management address notification message comprises an opposite terminal management special MAC address and an opposite terminal management special IP address of the member equipment in the recovery state in the stacking system;
generating a static management special address resolution table item; recording that the opposite-end management private IP address corresponds to an opposite-end management private MAC address and a local port connected with the direct connection detection link;
and establishing a remote login session with remote network management equipment according to the management IP address of the stacking system configured by the local management interface, so that the remote network management equipment establishes the remote login session with the member equipment in the recovery state according to the static management special address resolution table entry to remotely manage the member equipment in the recovery state.
7. The device of claim 6, wherein the processor, by executing the processor-executable instructions in the memory, further performs the following:
determining that the stacked system is restored;
deleting the static management private address resolution entry to disconnect the network management from the telnet session established based on the static management private address resolution entry.
8. The apparatus according to claim 6, wherein the peer management address advertisement packet is a link layer discovery protocol; wherein, the source MAC address is the opposite terminal management special MAC address of the member device in the recovery state; the opposite end management special MAC address consists of a domain identifier of the stacking system and a device identifier of the member device in the recovery state;
the management address type length value field of the opposite terminal management address announcement message carries the opposite terminal management special IP address; and the opposite end management private IP address is configured at a port of a direct connection detection link of the member equipment in the recovery state.
9. The device of claim 6, wherein the processor, by executing the processor-executable instructions in the memory, further performs the following:
judging that the equipment is in a recovery state in the stacking system based on the opposite-end multi-activation detection message;
closing a local service port and the local management interface;
sending a local management address notification message through the direct connection detection link; the local management private MAC address and the local management private IP address of the local port are carried.
10. The apparatus of claim 9, wherein the local multi-activity detection packet is a link layer discovery protocol; wherein the source MAC address is the local management private MAC address; the local management special MAC address consists of a domain identifier of the stacking system and a device identifier of the device; the management address type length value field of the local management address announcement message carries the local management private IP address; the local management private IP address is configured on the local port.
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