Configuring No Agreement Check - HP A6600 Configuration Manual

Digest snooping configuration example
Network requirements
1.
As shown in
Router A and Router B connect to Router C, which is a third-party device. All these devices are in the
•
same region.
• Enable digest snooping on Router A's and Router B's ports that connect Router C, so that the three
devices can communicate with one another.
Figure 19 Digest snooping configuration
MST region
GE4/1/1
Router A
Configuration procedure
2.
# Enable digest snooping on GigabitEthernet 4/1/1 of Router A and enable global digest snooping on
Router A.
<RouterA> system-view
[RouterA] interface gigabitethernet 4/1/1
[RouterA-GigabitEthernet4/1/1] stp config-digest-snooping
[RouterA-GigabitEthernet4/1/1] quit
[RouterA] stp config-digest-snooping
# Enable digest snooping on GigabitEthernet 4/1/1 of Router B and enable global digest snooping on
Router B.
<RouterB> system-view
[RouterB] interface gigabitethernet 4/1/1
[RouterB-GigabitEthernet4/1/1] stp config-digest-snooping
[RouterB-GigabitEthernet4/1/1] quit
[RouterB] stp config-digest-snooping

Configuring no agreement check

In RSTP and MSTP, two types of messages are used for rapid state transition on designated ports:
• Proposal: sent by designated ports to request rapid transition
Agreement: used to acknowledge rapid transition requests
•
Figure 19:
Router C
(Root bridge)
GE4/1/1 GE4/1/2
GE4/1/2 GE4/1/2
Router B
Root port
Designated port
Blocked port
Normal link
GE4/1/1
Blocked link
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