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Problem with backup link for OTV in ASR 1001

Hi guys

 

I am doing a model of OTV in which it is intended to have a link bakcup such service, the topolgia is the one below is displayed, the problem is the time it takes to converge the network when you have the fall of the first link and which is approximately 1 minute, somehow know to enhance this time or it would advisable to have high availability on the issue of the link?

 

------SITE 1---------

ASR1 1001 Active

otv site bridge-domain 1
otv site-identifier 0000.0000.0001
multilink bundle-name authenticated

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast

interface Overlay1
 no ip address
 otv join-interface GigabitEthernet0/0/0
 otv use-adjacency-server 172.23.101.2 unicast-only
 otv adjacency-server unicast-only

otv isis hello-interval minimal

 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11
 !
!
interface GigabitEthernet0/0/0
 description Connection LAN-TO-LAN ACTIVE
 ip address 172.23.101.2 255.255.255.0
 negotiation auto

interface GigabitEthernet0/1/1
 description Connection  switch1 3750
 no ip address
 negotiation auto
 service instance 1 ethernet
  encapsulation untagged
  bridge-domain 1
 !
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11

 

SWITCH1 3750 

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast
spanning-tree vlan 1-22 priority 24576

interface GigabitEthernet0/1
 description conexion ASR1 1001 ACTIVE
 switchport trunk encapsulation dot1q
 switchport mode trunk
!

interface GigabitEthernet0/24
 description Connection HA-SWITCH2 3750
 switchport trunk encapsulation dot1q
 switchport mode trunk
!

SWITCH2 3750

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast
spanning-tree vlan 1-22 priority 28672

interface GigabitEthernet0/1
 description Connection ASR2 1001 BACKUP
 switchport trunk encapsulation dot1q
 switchport mode trunk

interface GigabitEthernet0/24
 description Connection HA-SWITCH1 3750
 switchport trunk encapsulation dot1q
 switchport mode trunk

ASR2 1001 Backup

otv site bridge-domain 1
otv site-identifier 0000.0000.0001
multilink bundle-name authenticated

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast

interface Overlay1
 no ip address
 otv join-interface GigabitEthernet0/0/0
 otv use-adjacency-server 172.23.101.4 unicast-only
 otv adjacency-server unicast-only
otv isis hello-interval minimal
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11
 !
!
interface GigabitEthernet0/0/0
 description Connection LAN-TO-LAN BACKUP
 ip address 172.23.101.4 255.255.255.0
 negotiation auto

interface GigabitEthernet0/1/1
 description Connection  switch2 3750
 no ip address
 negotiation auto
 service instance 1 ethernet
  encapsulation untagged
  bridge-domain 1
 !
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11

 

--------SITE 2----------

ASR3 1001 Active

otv site bridge-domain 1
otv site-identifier 0000.0000.0002
multilink bundle-name authenticated

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast

interface Overlay1
 no ip address
 otv join-interface GigabitEthernet0/0/0
 otv use-adjacency-server 172.23.101.2 unicast-only
 otv adjacency-server unicast-only

otv isis hello-interval minimal

 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11
 !
!
interface GigabitEthernet0/0/0
 description Connection LAN-TO-LAN ACTIVE 
 ip address 172.23.101.3 255.255.255.0
 negotiation auto

interface GigabitEthernet0/1/1
 description Connection  switch3 3750
 no ip address
 negotiation auto
 service instance 1 ethernet
  encapsulation untagged
  bridge-domain 1
 !
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11

 

SWITCH3 3750 

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast
spanning-tree vlan 1-22 priority 24576

interface GigabitEthernet0/1
 description conexion ASR3 1001 ACTIVE
 switchport trunk encapsulation dot1q
 switchport mode trunk
!

interface GigabitEthernet0/24
 description Connection HA-SWITCH4 3750
 switchport trunk encapsulation dot1q
 switchport mode trunk
!

SWITCH4 3750

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast
spanning-tree vlan 1-22 priority 28672

interface GigabitEthernet0/1
 description Connection ASR4 1001 BACKUP
 switchport trunk encapsulation dot1q
 switchport mode trunk

interface GigabitEthernet0/24
 description Connection HA-SWITCH3 3750
 switchport trunk encapsulation dot1q
 switchport mode trunk

ASR4 1001 Backup

otv site bridge-domain 1
otv site-identifier 0000.0000.0002
multilink bundle-name authenticated

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree uplinkfast

interface Overlay1
 no ip address
 otv join-interface GigabitEthernet0/0/0
 otv use-adjacency-server 172.23.101.4 unicast-only
 otv adjacency-server unicast-only
otv isis hello-interval minimal
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11
 !
!
interface GigabitEthernet0/0/0
 description Connection LAN-TO-LAN BACKUP
 ip address 172.23.101.5 255.255.255.0
 negotiation auto

interface GigabitEthernet0/1/1
 description Connection  switch4 3750
 no ip address
 negotiation auto
 service instance 1 ethernet
  encapsulation untagged
  bridge-domain 1
 !
 service instance 10 ethernet
  encapsulation dot1q 10
  bridge-domain 10
 !
 service instance 11 ethernet
  encapsulation dot1q 11
  bridge-domain 11

 

 

 

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