Digest Snooping Configuration 157
Network diagram
Figure 32 Network diagram for digest snooping configuration
Configuration procedure
# 3Com B is directly connected to A through GE 1/1 and GE 1/2 ports. Enable
digest snooping on these two ports by executing the following command:
<SW8800>system-view
System View: return to User View with Ctrl+Z.
[3ComB]interface GigabitEthernet1/1
[3ComB-GigabitEthernet1/1]stp config-digest-snooping
[3ComB-GigabitEthernet1/1] quit
[3ComB]interface GigabitEthernet1/2
[3ComB-GigabitEthernet1/2]stp config-digest-snooping
# Finally, you need to enable digest snooping globally on 3Com B.
[3ComB]stp config-digest-snooping
After the above configuration, all the switches in the MSTP region can
communicate with each other through MSTI.
H3C C
A
H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
E1/1
H3C E
GE2/0/1
GE2/0/2
H3C C H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C C
A
H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C C H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C B
H3C C
A
H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
E1/1
H3C E
GE2/0/1
GE2/0/2
H3C C H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C C
A
H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C C H3C D
GE1/1
GE1/2
E0/1
E0/2
E0/3
E1/1
E1/1
H3C E
GE2/0/2
H3C B
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