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µäÐ͵ÄÀûÓó¡¾°Èçͼ1-7Ëùʾ£¬¶ÔÓÚ½ÓÈë¿ÉÓÃÐÔÒªÇó¸ßµÄ·þÎñÆ÷£¬Í¨³£Ê¹ÓÓµ¥·þÎñÆ÷¶àÍø¿¨°ó¶¨Îª¾ÛºÏ¿Ú”¼¼ÊõÀ´Óë½ÓÈë²ãÉ豸ÏàÁ¬¡£ÓÉÓھۺϿÚÒªÇóÖ»ÄܽÓÈëÔÚͳһ̨½ÓÈëÉ豸ÉÏ£¬ËùÒÔµ¥Ì¨É豸¹ÊÕϵķçÏÕÔö³¤ÁË¡£ÔÚÕâÖÖÇé¿öÏ£¬Í¨¹ý×齨VSU£¬·þÎñÆ÷¶Ëͨ¹ý¾ÛºÏ¿ÚÓëVSU×éÄÚ·ÖÆçµÄ³ÉÔ±É豸ÏàÁ¬£¬ÕâÑùÄܹ»Ô¤·À½ÓÈëÉ豸µÄµ¥µã¹ÊÕÏ»òµ¥ÌõÁ´Â·Ê§Ð§µ¼ÖµÄÍøÂçÖжÏ£¬ÌáÉý·þÎñÆ÷³ÐÔØÒµÎñµÄÍøÂç¿¿µÃסÐÔ¡£

ͼ1-7     ·þÎñÆ÷½ÓÈëÁ´Â·ÈßÓà

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µäÐÍÅäÖþÙÀý

1  ×齨VSU

1.    ×éÍøÐèÒª

Èçͼ1-16Ëùʾ£¬Device AºÍDevice BÉ豸ͨ¹ý2ÌõÍòÕ×Ïß·»¥Áª£¬Í¨¹ý»ù´¡ÅäÖÃÒÔ×齨2̨É豸VSUϵͳ¡£

2.    ×éÍøÍ¼

ͼ1-16   ×齨VSU×éÍøÍ¼

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3.    ÅäÖÃÖØµã

l  ±ðÀëÅäÖÃVSUÓò±àºÅ¡¢É豸±àºÅ¡¢É豸ÓÅÏȼ¶¡¢É豸Ãû³Æ¡¢VSL¿Ú¡£

l  ±ðÀëÅäÖÃÇл»VSUģʽ¡£

4.    ÅäÖò½Öè

(1)   ÅäÖÃDevice A¡£

ÅäÖÃDevice AµÄVSUÓòIDΪ100¡¢É豸IDΪ1¡¢É豸ÓÅÏȼ¶Îª200¡¢VSUÉ豸Ãû³ÆÎªDeviceA¡£

DeviceA> enable

DeviceA# configure terminal

DeviceA(config)# switch virtual domain 100

DeviceA(config-vs-domain)# switch 1

DeviceA(config-vs-domain)# switch 1 priority 200

DeviceA(config-vs-domain)# switch 1 description DeviceA

DeviceA(config-vs-domain)# switch crc errors 10 times 20

DeviceA(config-vs-domain))# exit

ÅäÖÃDevice AµÄVSL¶Ë¿ÚΪtenGigabitEthernet 1/1ºÍtenGigabitEthernet 1/2¡£

DeviceA(config)# vsl-port

DeviceA(config-vsl-port)# port-member interface tengigabitethernet 1/1

DeviceA(config-vsl-port)# port-member interface tengigabitethernet 1/2

DeviceA(config)# exit

ÅäÖÃDevice AΪVSUģʽ¡£

DeviceA# switch convert mode virtual

(2)   ÅäÖÃDevice B¡£

ÅäÖÃDevice BµÄVSUÓòIDΪ100¡¢É豸IDΪ2¡¢É豸ÓÅÏȼ¶Îª100¡¢VSUÉ豸Ãû³ÆÎªDeviceB¡£

DeviceB> enable

DeviceB# configure terminal

DeviceB(config)# switch virtual domain 100

DeviceB(config-vs-domain)# switch 2

DeviceB(config-vs-domain)# switch 2 priority 100

DeviceB(config-vs-domain)# switch 2 description DeviceB

DeviceB(config-vs-domain)# switch crc errors 10 times 20

DeviceB(config-vs-domain))# exit

ÅäÖÃDevice BµÄVSL¶Ë¿ÚΪtenGigabitEthernet 1/1ºÍtenGigabitEthernet 1/2¡£

DeviceB(config)# vsl-port

DeviceB(config-vsl-port)# port-member interface Tengigabitethernet 1/1

DeviceB(config-vsl-port)# port-member interface Tengigabitethernet 1/2

DeviceB(config-vsl-port)# exit

ÅäÖÃDevice BΪVSUģʽ¡£

DeviceB# switch convert mode virtual

5.    ÑéÖ¤ÅäÖÃÁ˾Ö

ͨ¹ýshow switch virtual roleºÅÁî²é¿´Device AÉ豸½ÇɫΪ“ACTIVE”£¬ÇÒDevice BÉ豸½ÇɫΪ“STANDBY¡£Ôò°µÊ¾VSU×齨³É¹¦£¬²»È»VSU×齨ʧ°Ü¡£

DeviceA# show switch virtual role

Switch_id¡¡¡¡ Domain_id¡¡¡¡ Priority¡¡¡¡ Position¡¡¡¡ Status¡¡¡¡ Role¡¡¡¡¡¡¡¡¡¡Description

1(1)¡¡¡¡¡¡¡¡¡¡ 100(100)¡¡¡¡¡¡200(200)¡¡¡¡ LOCAL¡¡¡¡¡¡¡¡OK¡¡¡¡¡¡¡¡ ACTIVE¡¡¡¡¡¡¡¡DeviceA

2(2)¡¡¡¡¡¡¡¡¡¡ 100(100)¡¡¡¡¡¡100(100)¡¡¡¡ REMOTE¡¡¡¡¡¡ OK¡¡¡¡¡¡¡¡ STANDBY¡¡¡¡¡¡ DeviceB

6.    ÅäÖÃÎļþ

l  Device AµÄÅäÖÃÎļþ¡£

hostname DeviceA

!

switch virtual domain 100

!

switch 1

switch 1 priority 200

switch 1 description DeviceA

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

end

l  Device BµÄÅäÖÃÎļþ¡£

hostname DeviceB

!

switch virtual domain 100

!

switch 2

switch 2 priority 100

switch 2 description DeviceB

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

end

7.    ³£¼ûÃýÎó

l  Î´ÅäÖÃͳһ¸öVSUÓò±àºÅ£¨domain-id£©¡£

l  VSL¿ÚδUP¡£

2  BFDË«Ö÷¼ì²â

1.    ×éÍøÐèÒª

Èçͼ1-17Ëùʾ£¬Device AºÍDevice BÉ豸×é³ÉVSUϵͳ£¬µ±VSLÁ´Â·¶Ï¿ªÊ±£¬´æÔÚÁ½Ì¨ÅäÖÃÆëȫһÑùµÄÖ÷É豸£¬µ¼Ö¾ÖÓòÍøÄÚIPµØÖ·Ã¬¶ÜµÈÎÊÌ⡣ͨ¹ýÅäÖÃBFD·½Ê½¼ì²â»úÔ죬ÒÔ¼±¾ç¼ì²âË«Ö÷Çé¿ö£¬Ö®ºó½«ÆäÖÐһ̨Ö÷É豸½øÈë´ý¸´Ô­£¨Recovery£©×´Ì¬£¬¸Ã״̬ϵÄÉ豸¶Ë¿Ú²»ÈÝÒµÎñת·¢Ö°ÄÜ£¬´Ó¶øÈ·±£VSUϵͳ¼ì²âµ½Ë«Ö÷״̬ºóÍøÂçÕý³£ÔËÐС£

2.    ×éÍøÍ¼

ͼ1-17   BFDË«Ö÷¼ì²â×éÍøÍ¼

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3.    ÅäÖÃÖØµã

l  ¿ªÆôBFDË«Ö÷¼ì²â¡£

l  Ö¸¶¨BFD¼ì²â¿Ú£¬ÇҸüì²â¿Ú±ØÐëÅäÖÃΪÈý²ãÒÔÌ«Íø½Ó¿Ú¡£

*     ×¢Ã÷

ÓÉÓÚDevice AºÍDevice B×é³ÉÐé¹¹É豸VSU£¬Òò¶øÒÔÉÏÅäÖÿÉÔÚDevice A»òDevice BÖÐËÁÒâһ̨É豸ÉÏÅäÖᣴ˴¦ÒÔÔÚDevice AÉÏÅäÖÃΪÀý¡£

 

4.    ÅäÖò½Öè

ÔÚDevice AÉÏÅäÖÃGigabitEthernet 1/1/2ºÍGigabitEthernet 2/1/2ΪÈý²ã½Ó¿Ú¡£

DeviceA> enable

DeviceA# configure terminal

DeviceA(config)# interface GigabitEthernet 1/1/2

DeviceA(config-if-GigabitEthernet 1/1/2)# no switchport

DeviceA(config)# interface GigabitEthernet 2/1/2

DeviceA(config-if-GigabitEthernet 2/1/2)# no switchport

¿ªÆôBFDË«Ö÷¼ì²â£¬²¢Ö¸¶¨BFDµÄ¼ì²â¶Ë¿ÚΪGigabitEthernet 1/1/2ºÍGigabitEthernet 2/1/2¡£

DeviceA(config-if)# switch virtual domain 1

DeviceA(c config-vs-domain)# dual-active detection bfd

DeviceA(config-vs-domain)# dual-active bfd interface GigabitEthernet 1/1/2

DeviceA(config-vs-domain)# dual-active bfd interface GigabitEthernet 2/1/2

5.    ÑéÖ¤ÅäÖÃÁ˾Ö

¶Ï¿ªËùÓÐVSLÁ´Â·£¬µÇ¼DeviceA½ÚÔį̀£¬Í¨¹ýshow switch virtualºÅÁî²é¿´“Status”Ϊ“OK£¬¼´DeviceAÔÚ¼ì²âµ½Ë«Ö÷ºóÕý³£Ê¹Óá£

VSU# show switch virtual

Switch_id¡¡¡¡ Domain_id¡¡¡¡ Priority¡¡¡¡ Position¡¡¡¡ Status¡¡¡¡ Role¡¡¡¡¡¡¡¡¡¡Description

------------------------------------------------------------------------------------------

1(1)¡¡¡¡¡¡¡¡¡¡1(1)¡¡¡¡¡¡¡¡¡¡100(100)¡¡¡¡¡¡LOCAL¡¡¡¡¡¡¡¡ OK¡¡¡¡¡¡¡¡ ACTIVE¡¡¡¡¡¡¡¡DeviceA

µÇ¼DeviceA½ÚÔį̀£¬Í¨¹ýshow switch virtual dual-active bfdºÅÁî²é¿´bfd¿ªÆô״̬Ϊ“Yes”£¬ÏνÓDeviceBµÄBFD¼ì²â½Ó¿ÚGigabitEthernet 2/1/2״̬Ϊ“DOWN”¡£

VSU-RECOVERY-2# show switch virtual dual-active bfd

BFD dual-active detection enabled: Yes

BFD dual-active interface configured:

  GigabitEthernet 1/1/2: UP

  GigabitEthernet 2/1/2: DOWN

µÇ¼DeviceB½ÚÔį̀£¬Í¨¹ýshow switch virtualºÅÁî²é¿´“Status”µ÷»»Îª“Recovery”£¬ÇÒÉ豸Ãû³ÆÔö³¤ÁË“-RECOVERY-2”ºó׺¡£

VSU-RECOVERY-2# show switch virtual

Switch_id¡¡¡¡ Domain_id¡¡¡¡ Priority¡¡¡¡ Position¡¡¡¡ Status¡¡¡¡ Role¡¡¡¡¡¡¡¡¡¡Description

-------------------------------------------------------------------------------------------

2(2)¡¡¡¡¡¡¡¡¡¡1(1)¡¡¡¡¡¡¡¡¡¡¡¡90(90)¡¡¡¡¡¡LOCAL¡¡¡¡¡¡¡¡ Recovery¡¡ ACTIVE¡¡¡¡¡¡¡¡DeviceB

µÇ¼DeviceB½ÚÔį̀£¬Í¨¹ýshow switch virtual dual-active summaryºÅÁî²é¿´“In dual-active recovery mode”ÏîÏÔʾΪ“Yes”£¬¼´°µÊ¾DeviceB´¦ÓÚ“Recovery”״̬¡£

VSU-RECOVERY-2# show switch virtual dual-active summary

BFD dual-active detection enabled: Yes

Aggregateport dual-active detection enabled: No

Interfaces excluded from shutdown in recovery mode:

In dual-active recovery mode: Yes

6.    ÅäÖÃÎļþ

l  Device AµÄÅäÖÃÎļþ¡£

hostname DeviceA

!

interface GigabitEthernet 1/1/2

 no switchport

!

interface GigabitEthernet 2/1/2

 no switchport

!

switch virtual domain 1

dual-active detection bfd

dual-active bfd interface GigabitEthernet 1/1/2

dual-active bfd interface GigabitEthernet 2/1/2

!

switch 1

switch 1 priority 100

switch 1 description DeviceA

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

 

end

l  Device BµÄÅäÖÃÎļþ¡£

hostname DeviceB

!

interface GigabitEthernet 1/1/2

 no switchport

!

interface GigabitEthernet 2/1/2

 no switchport

!

switch virtual domain 1

dual-active detection bfd

dual-active bfd interface GigabitEthernet 1/1/2

dual-active bfd interface GigabitEthernet 2/1/2

!

switch 2

switch 2 priority 90

switch 2 description DeviceB

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

 

end

7.    ³£¼ûÃýÎó

l  BFD¼ì²â¿ÚδÅäÖÃΪÈý²ãÒÔÌ«Íø½Ó¿Ú¡£

l  BFD¼ì²âºÍAP¼ì²âÖ»ÄÜÑ¡ÔñÆäÖÐÒ»ÖÖ·½Ê½¡£

3  APË«Ö÷¼ì²â

1.    ×éÍøÐèÒª

Èçͼ1-18Ëùʾ£¬Device AºÍDevice BÉ豸×é³ÉVSUϵͳ£¬Device C±ðÀëͨ¹ý¾ÛºÏ¿ÚÏνÓDevice AºÍDevice B¡£µ±VSLÁ´Â·¶Ï¿ªÊ±£¬´æÔÚÁ½Ì¨ÅäÖÃÆëȫһÑùµÄÖ÷É豸£¬µ¼Ö¾ÖÓòÍøÄÚIPµØÖ·Ã¬¶ÜµÈÎÊÌ⡣ͨ¹ýÅäÖÃAPË«Ö÷¼ì²â»úÔ죬ÒÔ¼±¾ç¼ì²âË«Ö÷Çé¿ö£¬Ö®ºó½«ÆäÖÐһ̨Ö÷É豸½øÈë´ý¸´Ô­£¨Recovery£©×´Ì¬£¬¸Ã״̬ϵÄÉ豸¶Ë¿Ú²»ÈÝÒµÎñת·¢Ö°ÄÜ£¬´Ó¶øÈ·±£VSUϵͳ¼ì²âµ½Ë«Ö÷״̬ºóÍøÂçÕý³£ÔËÐС£

2.    ×éÍøÍ¼

ͼ1-18   APË«Ö÷¼ì²â×éÍøÍ¼

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3.    ÅäÖÃÖØµã

l  ½«Device CÓëDevice A ¡¢Device CÓëDevice B»¥ÁªµÄ¶Ë¿ÚÅäÖÃΪͳһ¸ö¾ÛºÏ¶Ë¿Ú×é¡£

l  ¿ªÆôAPË«Ö÷¼ì²âÖ°ÄÜ¡£

l  ÅäÖÃAP¼ì²â¿Ú¡£

l  ½«Device CÓëDevice A/Device B»¥Áª¶Ë¿ÚÅäÖÃΪͳһ¸ö¾ÛºÏ¶Ë¿Ú×顣ͬʱ¿ªÆô¸Ã¶Ë¿Ú×éµÄAPË«Ö÷¼ì²â±¨ÎĵÄת·¢Ö°ÄÜ¡£

*     ×¢Ã÷

ÓÉÓÚDevice AºÍDevice B×é³ÉÐé¹¹É豸VSU£¬ËùÒÔÒÔÉÏÅäÖÿÉÔÚDevice A»òDevice BÖÐËÁÒâһ̨É豸ÉÏÅäÖᣴ˴¦ÒÔÔÚDevice AÉÏÅäÖÃΪÀý¡£

 

4.    ÅäÖò½Öè

ÔÚDevice AÉÏÃæË³´Î½«GigabitEthernet 1/1/1¡¢GigabitEthernet 1/2/1¡¢GigabitEthernet 2/1/1ºÍGigabitEthernet 2/2/1²ÎÓë¾ÛºÏ¶Ë¿Ú×éAP1¡£

DeviceA> enable

DeviceA# configure

DeviceA(config)# interface range GigabitEthernet 1/1/1-2

DeviceA(config-if-range)# port-group 1

DeviceA(config-if-range)# interface range GigabitEthernet 2/1/1-2

DeviceA(config-if-range)# port-group 1

ÔÚDevice AÉÏÃæ¿ªÆôAPË«Ö÷¼ì²â£¬ÇÒÖ¸¶¨¼ì²â¿ÚΪAP 1¡£

DeviceA> enable

DeviceA# configure

DeviceA(config)# switch virtual domain 1

DeviceA(config-vs-domain)# dual-active detection aggregateport

DeviceA(config-vs-domain)# dual-active interface aggregatePort 1

ÔÚDevice CÉÏÃæË³´Î½«GigabitEthernet 0/1¡¢GigabitEthernet 0/2¡¢GigabitEthernet 0/3ºÍGigabitEthernet 0/4²ÎÓë¾ÛºÏ¶Ë¿Ú×é¡£

DeviceC> enable

DeviceC# configure

DeviceC(config)# interface range GigabitEthernet 0/1-4

DeviceC(config-if-range)# port-group 1

ÔÚDevice CÉÏÃæÅäÖÃAPË«Ö÷¼ì²â±¨ÎÄת·¢Ö°ÄÜ¡£

DeviceC> enable

DeviceC# interface aggregatePort 1

DeviceC(config-if-AggregatePort 1)# dad relay enable

5.    ÑéÖ¤ÅäÖÃÁ˾Ö

ÔÚDevice A½ÚÔį̀ÉÏ£¬Í¨¹ýshow switch virtual dual-active summaryºÍshow switch virtual dual-active aggregateportºÅÁî²é¿´ÅäÖü°×´Ì¬¡£

DeviceA# show switch virtual dual-active summary

Aggregateport dual-active detection enabled: Yes

Interfaces excluded from shutdown in recovery mode:

In dual-active recovery mode: NO

DeviceA# show switch virtual dual-active aggregateport

Aggregateport dual-active detection enabled: Yes

Aggregateport dual-active interface configured:

  AggregatePort 1: UP

  ¡¡GigabitEthernet 1/1/1: UP

  ¡¡GigabitEthernet 1/2/1: UP

  ¡¡GigabitEthernet 2/1/1: UP

  ¡¡GigabitEthernet 2/2/1: UP

ÔÚDevice B½ÚÔį̀ÉÏ£¬Í¨¹ýshow switch virtual dual-active summaryºÅÁî²é¿´“In dual-active recovery modeµ÷»»Îª“Yes”¡£

DeviceB-RECOVERY-2# show switch virtual dual-active summary

BFD dual-active detection enabled: No

Aggregateport dual-active detection enabled: Yes

Interfaces excluded from shutdown in recovery mode:

In dual-active recovery mode: Yes

ÔÚDevice B½ÚÔį̀ÉÏ£¬Í¨¹ýshow switch virtualºÅÁî²é¿´“Status”µ÷»»Îª“Recovery”£¬ÇÒÉ豸Ãû³ÆÔö³¤ÁË“-RECOVERY-”ÃèÊö¡£

DeviceB-RECOVERY-2# show switch virtual

Switch_id¡¡¡¡ Domain_id¡¡¡¡ Priority¡¡¡¡ Position¡¡¡¡ Status¡¡¡¡ Role¡¡¡¡¡¡¡¡¡¡Description

------------------------------------------------------------------------------------------

2(2)¡¡¡¡¡¡¡¡¡¡100(100)¡¡¡¡¡¡100(100)¡¡¡¡ LOCAL¡¡¡¡¡¡¡¡Recovery¡¡ ACTIVE¡¡¡¡¡¡¡¡S57H4-207

ÔÚDevice B½ÚÔį̀ÉÏ£¬Í¨¹ýshow switch virtual dual-active aggregateportºÅÁî²é¿´ÅäÖü°×´Ì¬¡£

DeviceB-RECOVERY-2# show switch virtual dual-active aggregateport

Aggregateport dual-active detection enabled: Yes

Aggregateport dual-active interface configured:

¡¡AggregatePort 7: DOWN

¡¡¡¡GigabitEthernet 1/0/1: DOWN

¡¡¡¡GigabitEthernet 2/0/1: DOWN

6.    ÅäÖÃÎļþ

l  Device AµÄÅäÖÃÎļþ¡£

hostname DeviceA

!

interface GigabitEthernet 1/1/1

 port-group 1

!

interface GigabitEthernet 1/1/2

 port-group 1

!

interface GigabitEthernet 2/1/1

 port-group 1

!

interface GigabitEthernet 2/1/2

 port-group 1

!

switch virtual domain 1

dual-active detection aggregateport

dual-active interface aggregatePort 1

!

switch 1

switch 1 priority 100

switch 1 description DeviceA

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

 

end

l  Device BµÄÅäÖÃÎļþ¡£

hostname DeviceB

!

interface GigabitEthernet 1/1/1

 port-group 1

!

interface GigabitEthernet 1/1/2

 port-group 1

!

interface GigabitEthernet 2/1/1

 port-group 1

!

interface GigabitEthernet 2/1/2

 port-group 1

!

switch virtual domain 1

dual-active detection aggregateport

dual-active interface aggregatePort 1

!

switch 2

switch 2 priority 90

switch 2 description DeviceB

switch crc errors 10 times 20

!

port-member interface TenGigabitEthernet 0/1

port-member interface TenGigabitEthernet 0/2

!

switch convert mode virtual

!

 

end

l  Device CµÄÅäÖÃÎļþ¡£

hostname DeviceC

!

interface GigabitEthernet 0/1

 port-group 1

!

interface GigabitEthernet 0/2

 port-group 1

!

interface GigabitEthernet 0/3

 port-group 1

!

interface GigabitEthernet 0/4

 port-group 1

!

interface AggregatePort 1

 dad relay enable

!

 

end

7.    ³£¼ûÃýÎó

l  ×÷ΪAP¼ì²â¿Ú£¬±ØÐëΪ¾ÛºÏ½Ó¿Ú¡£

l  AP¼ì²âºÍBFD¼ì²âÖ»ÄÜÑ¡ÔñÆäÖеÄÒ»ÖÖ·½Ê½¡£

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