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IS-IS simple configuration ensp

Latest reply: Dec 29, 2018 08:05:31 2232 3 8 0 0

Write down the configuration information of the router 0 1. Most of the configurations are the same. Pay attention to the configuration of the isis level level of each router port. After the configuration is complete, you can check the configuration information in the routing table.


[1] undo info-center enable // This is the information that other articles know to close the pop-up message to prevent interference.
Info: Information center is disabled.
[1] int g0/0/0
[1-GigabitEthernet0/0/0]ip add 30
[1-GigabitEthernet0/0/0]undo shut
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[1-GigabitEthernet0/0/0]int loo0
[1-LoopBack0]ip add 32
[1] isis 110 // Enable IS-IS. If only one IS-IS is enabled, you do not need to set this parameter to 110.
[1-isis-110]network-entity 49.0001.0010.1000.00
[1-isis-110]is-level level-1 // Select different levels based on the device type.
Info: IS Level Changed, Resetting ISIS...
[1] int g0/0/0
[1-GigabitEthernet0/0/0]isis enable 110
[1-GigabitEthernet0/0/0]int loo0
[1-LoopBack0]isis en
[1-LoopBack0]isis enable 110

[R1] undo info-center enable
Info: Information center is disabled.
[R1] int g0/0/0
[R1-GigabitEthernet0/0/0] ip add 30
[R1-GigabitEthernet0/0/0]undo shut
Info: Interface GigabitEthernet0/0/0 is not shutdown.
[R1-GigabitEthernet0/0/0]int g0/0/1
[R1-GigabitEthernet0/0/1]undo shutdown
Info: Interface GigabitEthernet0/0/1 is not shutdown.
[R1-GigabitEthernet0/0/1] ip add 30
[R1-GigabitEthernet0/0/1]int loo0
[R1-LoopBack0]ip add 32
[R1] isis 110
[R1-isis-110]network-entity 49.0001.0020.0200.2002.00
[R1-isis-110]is-level level-1-2
[R1] int g0/0/0
[R1-GigabitEthernet0/0/0]isis enable 110
[R1-GigabitEthernet0/0/0]isis circuit-level level-1
[R1-GigabitEthernet0/0/0]int g0/0/1 Select a level based on the port.
[R1-GigabitEthernet0/0/1]isis enable 110
[R1-GigabitEthernet0/0/1]isis circuit-level level-2
[R1-GigabitEthernet0/0/1]int loo0
[R1-LoopBack0]isis en

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Created Dec 29, 2018 05:58:03

[R1-GigabitEthernet0/0/0]int g0/0/1 Select a level based on the port.
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Created Dec 29, 2018 06:00:59

IS-IS is also used as the control plane for IEEE 802.1aq Shortest Path Bridging (SPB). SPB allows for shortest-path forwarding in an Ethernet mesh network context utilizing multiple equal cost paths. This permits SPB to support large Layer 2 topologies, with fast convergence, and improved use of the mesh topology.[5] Combined with this is single point provisioning for logical connectivity membership. IS-IS is therefore augmented with a small number of TLVs and sub-TLVs, and supports two Ethernet encapsulating data paths, 802.1ad Provider Bridges and 802.1ah Provider Backbone Bridges. SPB requires no state machine or other substantive changes to IS-IS, and simply requires a new Network Layer Protocol Identifier (NLPID) and set of TLVs. This extension to IS-IS is defined in the IETF proposed standard RFC 6329.
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Created Dec 29, 2018 08:05:31

Although IS-IS is complex, it is easy to configure.
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