HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 2 - LAN Switching Co - Page 92
No Agreement Check configuration example, Network requirements, Configuration procedure
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No Agreement Check configuration example Network requirements As shown in Figure 21: • Device A connects to a third-party device that has a different spanning tree implementation. Both devices are in the same region. • The third-party device (Device B) is the regional root bridge, and Device A is the downstream device. Figure 21 Network diagram Configuration procedure # Enable No Agreement Check on GigabitEthernet 1/0/1 of Device A. system-view [DeviceA] interface gigabitethernet 1/0/1 [DeviceA-GigabitEthernet1/0/1] stp no-agreement-check Configuring TC snooping Figure 22 shows a topology change (TC) snooping application scenario. Device A and Device B form an IRF fabric and do not have the spanning tree feature enabled. The IRF fabric connects to two user networks, in which all devices are enabled with the spanning tree feature. The user networks are dual-uplinked to the IRF fabric for high availability. The IRF fabric transparently transmits BPDUs in every user network. Figure 22 TC snooping application scenario 83
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