Huawei Quidway S7700 Configuration Manual - Ethernet page 570

Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet
3.
4.
5.
After the preceding configurations are successful, perform the following operations to verify the
configurations. Take PE1 as an example.
Issue 01 (2011-07-15)
[LSW2-GigabitEthernet1/0/1] sep segment 1 edge no-neighbor secondary
[LSW2-GigabitEthernet1/0/1] quit
[LSW2] interface gigabitethernet 1/0/2
[LSW2-GigabitEthernet1/0/2] stp disable
[LSW2-GigabitEthernet1/0/2] sep segment 1
[LSW2-GigabitEthernet1/0/2] quit
# Configure LSW3.
[LSW3] interface gigabitethernet 1/0/1
[LSW3-GigabitEthernet1/0/1] stp disable
[LSW3-GigabitEthernet1/0/1] sep segment 1
[LSW3-GigabitEthernet1/0/1] quit
[LSW3] interface gigabitethernet 1/0/2
[LSW3-GigabitEthernet1/0/2] stp disable
[LSW3-GigabitEthernet1/0/2] sep segment 1
[LSW3-GigabitEthernet1/0/2] quit
# Configure PE2.
[PE2] interface gigabitethernet 1/0/1
[PE2-GigabitEthernet1/0/1] stp disable
[PE2-GigabitEthernet1/0/1] sep segment 1 edge secondary
[PE2-GigabitEthernet1/0/1] quit
After completing the preceding configurations, run the display sep topology command on
PE1 to view the topology of the SEP segment. You can see that the blocked interface is
one of the last two interfaces that complete neighbor negotiation.
[PE1] display sep topology
SEP segment 1
-----------------------------------------------------------------
System Name
-----------------------------------------------------------------
PE1
LSW1
LSW1
LSW3
LSW3
LSW2
LSW2
PE2
Set an interface blocking mode.
# In Segment1, block the interface in the middle of the SEP segment on PE1 where the
primary edge interface resides.
[PE1] sep segment 1
[PE1-sep-segment1] block port middle
Set the preemption mode.
# In Segment1, set the preemption mode on PE1 where the primary edge interface resides
to manual preemption.
[PE1-sep-segment1] preempt maunal
Advertise SEP topology changes.
# In Segment1, advertise the topology change to RRPP.
# Configure PE1.
[PE1-sep-segment1] tc-notify rrpp
[PE1-sep-segment1] quit
# Configure PE2.
[PE2] sep segment 1
[PE2-sep-segment1] tc-notify rrpp
[PE2-sep-segment1] quit
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Port Name Port Role
GE1/0/1 primary
GE1/0/1 common
GE1/0/2 common
GE1/0/2 common
GE1/0/1 common
GE1/0/2 common
GE1/0/1 common
GE1/0/1 secondary
10 SEP Configuration
Port Status
forwarding
forwarding
forwarding
forwarding
forwarding
forwarding
forwarding
discarding
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