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Operation Manual – DLDP 
H3C S3600 Series Ethernet Switches-Release 1510 

Chapter 1  DLDP Configuration

 

1-10 

II. Network diagram 

SwitchB

SwitchA

PC

GE2/1/3

GE2/1/3

GE2/1/4

GE2/1/4

SwitchB

SwitchA

PC

GE2/1/3

GE2/1/3

GE2/1/4

GE2/1/4

SwitchB

SwitchA

PC

GE2/1/3

GE2/1/3

GE2/1/4

GE2/1/4

SwitchB

SwitchA

PC

GE2/1/3

GE2/1/3

GE2/1/4

GE2/1/4

 

Figure 1-3 

Fiber cross-connection 

III. Configuration procedure 

1) 

Configure Switch A 

# Configure the ports to work in mandatory full duplex mode at a rate of 1000 Mbps.  

<H3CA> system-view 

[H3CA] interface gigabitethernet 2/1/3 

[H3CA-GigabitEthernet2/1/3] duplex full 

[H3CA-GigabitEthernet2/1/3] speed 1000 

[H3CA-GigabitEthernet2/1/3] quit 

[H3CA] interface gigabitethernet 2/1/4 

[H3CA-GigabitEthernet2/1/4] duplex full 

[H3CA-GigabitEthernet2/1/4] speed 1000 

[H3CA-GigabitEthernet2/1/4] quit 

# Enable DLDP globally 

[H3CA] dldp enable 

# Set the interval between sending DLDP packets to 15 seconds. 

[H3CA] dldp interval 15 

 # Configure DLDP to work in enhanced mode 

[H3CA] dldp work-mode enhance 

 # Set the DLDP handling mode for unidirectional links to 

auto

. 

[H3CA] dldp unidirectional-shutdown auto 

# Display the DLDP state 

[H3CA] display dldp 1 

 

Содержание H3C S3600 Series

Страница 1: ...ents i Table of Contents Chapter 1 DLDP Configuration 1 1 1 1 DLDP Overview 1 1 1 1 1 DLDP Fundamentals 1 2 1 1 2 Precautions during DLDP Configuration 1 6 1 2 DLDP Configuration 1 7 1 2 1 DLDP Config...

Страница 2: ...rs in Figure 1 1 refer to optical fibers which are connected inversely The hollow lines in Figure 1 2 refer to fibers which are not connected or are broken Unidirectional links can cause many problems...

Страница 3: ...o detect and disable physical and logical unidirectional links and to prevent the failure of other protocols such as STP z Even if both ends of links can work normally at the physical layer DLDP can d...

Страница 4: ...bor information remains and the Delaydown timer is triggered II DLDP timers Table 1 2 DLDP timers Timer Description Advertisement sending timer Interval between sending advertisement packets which can...

Страница 5: ...e neighbor If no echo packet is received from the neighbor when the enhanced timer expires the state of the local end is set to unidirectional communication state and the state machine turns into the...

Страница 6: ...n the enhanced timer expires the state of the local end is set to unidirectional link and the neighbor entry is aged out IV DLDP implementation 1 If the DLDP enabled link is up DLDP sends DLDP packets...

Страница 7: ...idirectional link Echo packet Checks whether the local device is in the probe state Yes Checks whether neighbor information in the packet is the same as that on the local device Yes If all neighbors a...

Страница 8: ...t process any LACP event and treats each link in the aggregation group as independent z When connecting two DLDP enabled devices make sure the software running on them is of the same version Otherwise...

Страница 9: ...When you use the dldp enable dldp disable command in system view to enable disable DLDP on all optical ports of the switch the configuration takes effect on the existing optical ports instead of those...

Страница 10: ...eset Optional Enter Ethernet port view interface interface type interface number Reset the DLDP state of a port dldp reset Optional Caution The dldp reset command only applies to the ports in the DLDP...

Страница 11: ...mode at a rate of 1000 Mbps H3CA system view H3CA interface gigabitethernet 2 1 3 H3CA GigabitEthernet2 1 3 duplex full H3CA GigabitEthernet2 1 3 speed 1000 H3CA GigabitEthernet2 1 3 quit H3CA interf...

Страница 12: ...r end is in the inactive state z If the device operates in the enhance DLDP mode the end that receives optical signals is in the disable state the other end is in the inactive state Restore the ports...

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