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Configuration Guide - IP Unicast Routing

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, and PBR.
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Improving OSPFv3 Network Security

Improving OSPFv3 Network Security

In OSPFv3 authentication, an authentication field is added to each OSPFv3 packet for encryption. When a local device receives an OSPFv3 packet from a remote device, the local device discards the packet if the authentication password carried in the packet is different from the local one, which protects the local device against potential attacks. Therefore, OSPFv3 authentication improves network security.

Procedure

  • Configure OSPFv3 area authentication.
    1. Run system-view

      The system view is displayed.

    2. Run ospfv3 [ process-id ]

      The OSPFv3 process view is displayed.

    3. Run area area-id

      The OSPFv3 area view is displayed.

    4. Run authentication-mode hmac-sha256 key-id key-id { plain plain-text | [ cipher ] cipher-text }

      OSPFv3 area authentication is configured.

      NOTE:

      If you use OSPFv3 area authentication, the authentication and password configurations on all switch in the same area must be the same.

    5. Run commit

      The configuration is committed.

  • Configure OSPFv3 process authentication.
    1. Run system-view

      The system view is displayed.

    2. Run ospfv3 [ process-id ]

      The OSPFv3 process view is displayed.

    3. Run authentication-mode hmac-sha256 key-id key-id { plain plain-text | [ cipher ] cipher-text }

      OSPFv3 process authentication is configured.

    4. Run commit

      The configuration is committed.

  • Configure OSPFv3 interface authentication.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. On an Ethernet interface, run undo portswitch

      The interface is switched to Layer 3 mode.

      By default, an Ethernet interface works in Layer 2 mode.

      The mode switching function takes effect when the interface only has attribute configurations (for example, shutdown and description configurations). Alternatively, if configuration information supported by both Layer 2 and Layer 3 interfaces exists (for example, mode lacp and lacp system-id configurations), no configuration that is not supported after the working mode of the interface is switched can exist. If unsupported configurations exist on the interface, delete the configurations first and then run the undo portswitch command.

      NOTE:

      If many Ethernet interfaces need to be switched to Layer 3 mode, run the undo portswitch batch interface-type { interface-number1 [ to interface-number2 ] } &<1-10> command in the system view to switch these interfaces to Layer 3 mode in batches.

    4. Run ospfv3 authentication-mode hmac-sha256 key-id key-id { plain plain-text | [ cipher ] cipher-text } [ instance instance-id ]

      OSPFv3 interface authentication is configured.

      NOTE:

      OSPFv3 interface authentication takes precedence over OSPFv3 area authentication.

      If you use OSPFv3 interface authentication, the authentication and password configurations on all the interfaces on the same network segment must be the same.

    5. Run commit

      The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074760

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