Use BFD on a Virtual-Template Interface Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern) Announcing the arrival of Valued Associate #679: Cesar Manara Unicorn Meta Zoo #1: Why another podcast?Cisco: Using carrier-delay with BFD on the same interfaceCisco: Reliable fast BGP failover when mixing BGP NHT and BFDBFD support for OSPF vyatta 6.2?What is the difference between UDLD and BFD?BFD on BGP at ASR 1kBFD Echo packetcapturing specific BFD packets using tcpdumpHow to define a static route from LAN device through IPSec endpoint to PeerConfiguring BFD for OSPFv3 between IOS-XE and JunOSBFD down - “matches wrong session” (SRX)

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Use BFD on a Virtual-Template Interface



Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Cisco: Using carrier-delay with BFD on the same interfaceCisco: Reliable fast BGP failover when mixing BGP NHT and BFDBFD support for OSPF vyatta 6.2?What is the difference between UDLD and BFD?BFD on BGP at ASR 1kBFD Echo packetcapturing specific BFD packets using tcpdumpHow to define a static route from LAN device through IPSec endpoint to PeerConfiguring BFD for OSPFv3 between IOS-XE and JunOSBFD down - “matches wrong session” (SRX)










3















I would like to know how I can configure Bidirectional Forward Detection on a Virtual-Template interface. Tested on IOSv and IOS-XE (ISR-4451):



router#configure terminal 
Enter configuration commands, one per line. End with CNTL/Z.
router(config)#interface Virtual-Template99 type tunnel
router(config-if)#bfd ?
% Unrecognized command
router(config-if)#exit
router(config)#interface tunnel 99
router(config-if)#bfd ?
echo Use echo adjunct as bfd detection mechanism
interval Transmit interval between BFD packets
template BFD template
router(config-if)#


This is a FlexVPN environment where we want to use BFD.










share|improve this question




























    3















    I would like to know how I can configure Bidirectional Forward Detection on a Virtual-Template interface. Tested on IOSv and IOS-XE (ISR-4451):



    router#configure terminal 
    Enter configuration commands, one per line. End with CNTL/Z.
    router(config)#interface Virtual-Template99 type tunnel
    router(config-if)#bfd ?
    % Unrecognized command
    router(config-if)#exit
    router(config)#interface tunnel 99
    router(config-if)#bfd ?
    echo Use echo adjunct as bfd detection mechanism
    interval Transmit interval between BFD packets
    template BFD template
    router(config-if)#


    This is a FlexVPN environment where we want to use BFD.










    share|improve this question


























      3












      3








      3








      I would like to know how I can configure Bidirectional Forward Detection on a Virtual-Template interface. Tested on IOSv and IOS-XE (ISR-4451):



      router#configure terminal 
      Enter configuration commands, one per line. End with CNTL/Z.
      router(config)#interface Virtual-Template99 type tunnel
      router(config-if)#bfd ?
      % Unrecognized command
      router(config-if)#exit
      router(config)#interface tunnel 99
      router(config-if)#bfd ?
      echo Use echo adjunct as bfd detection mechanism
      interval Transmit interval between BFD packets
      template BFD template
      router(config-if)#


      This is a FlexVPN environment where we want to use BFD.










      share|improve this question
















      I would like to know how I can configure Bidirectional Forward Detection on a Virtual-Template interface. Tested on IOSv and IOS-XE (ISR-4451):



      router#configure terminal 
      Enter configuration commands, one per line. End with CNTL/Z.
      router(config)#interface Virtual-Template99 type tunnel
      router(config-if)#bfd ?
      % Unrecognized command
      router(config-if)#exit
      router(config)#interface tunnel 99
      router(config-if)#bfd ?
      echo Use echo adjunct as bfd detection mechanism
      interval Transmit interval between BFD packets
      template BFD template
      router(config-if)#


      This is a FlexVPN environment where we want to use BFD.







      cisco cisco-ios-15 ios-xe bfd






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Apr 16 at 14:21









      jonathanjo

      12.4k1938




      12.4k1938










      asked Apr 16 at 14:00









      Mario JostMario Jost

      1615




      1615




















          1 Answer
          1






          active

          oldest

          votes


















          5














          Bidirectional Forward Detection (BFD) has been deactivated on virtual and dialer interfaces on newer IOS and IOS-XE versions.




          On earlier releases like IOS-XE 3S, the Cisco IOS software incorrectly
          allowed configuration of BFD on virtual-template and dialer
          interfaces; however, BFD functionality on virtual-template and dialer
          interfaces is not supported. Avoid configuring BFD on
          virtual-template and dialer interfaces.




          That is what the Cisco configuration guide says for BFD on IOS XE:



          https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bfd/configuration/xe-3s/irb-xe-3s-book/irb-bi-fwd-det.html






          share|improve this answer










          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.




















          • Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

            – Mario Jost
            Apr 16 at 15:35






          • 1





            @MarioJost I'm really sorry sir, i do not know of any alternatives.

            – user56700
            Apr 16 at 16:36











          Your Answer








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          1 Answer
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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          5














          Bidirectional Forward Detection (BFD) has been deactivated on virtual and dialer interfaces on newer IOS and IOS-XE versions.




          On earlier releases like IOS-XE 3S, the Cisco IOS software incorrectly
          allowed configuration of BFD on virtual-template and dialer
          interfaces; however, BFD functionality on virtual-template and dialer
          interfaces is not supported. Avoid configuring BFD on
          virtual-template and dialer interfaces.




          That is what the Cisco configuration guide says for BFD on IOS XE:



          https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bfd/configuration/xe-3s/irb-xe-3s-book/irb-bi-fwd-det.html






          share|improve this answer










          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.




















          • Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

            – Mario Jost
            Apr 16 at 15:35






          • 1





            @MarioJost I'm really sorry sir, i do not know of any alternatives.

            – user56700
            Apr 16 at 16:36















          5














          Bidirectional Forward Detection (BFD) has been deactivated on virtual and dialer interfaces on newer IOS and IOS-XE versions.




          On earlier releases like IOS-XE 3S, the Cisco IOS software incorrectly
          allowed configuration of BFD on virtual-template and dialer
          interfaces; however, BFD functionality on virtual-template and dialer
          interfaces is not supported. Avoid configuring BFD on
          virtual-template and dialer interfaces.




          That is what the Cisco configuration guide says for BFD on IOS XE:



          https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bfd/configuration/xe-3s/irb-xe-3s-book/irb-bi-fwd-det.html






          share|improve this answer










          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.




















          • Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

            – Mario Jost
            Apr 16 at 15:35






          • 1





            @MarioJost I'm really sorry sir, i do not know of any alternatives.

            – user56700
            Apr 16 at 16:36













          5












          5








          5







          Bidirectional Forward Detection (BFD) has been deactivated on virtual and dialer interfaces on newer IOS and IOS-XE versions.




          On earlier releases like IOS-XE 3S, the Cisco IOS software incorrectly
          allowed configuration of BFD on virtual-template and dialer
          interfaces; however, BFD functionality on virtual-template and dialer
          interfaces is not supported. Avoid configuring BFD on
          virtual-template and dialer interfaces.




          That is what the Cisco configuration guide says for BFD on IOS XE:



          https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bfd/configuration/xe-3s/irb-xe-3s-book/irb-bi-fwd-det.html






          share|improve this answer










          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.










          Bidirectional Forward Detection (BFD) has been deactivated on virtual and dialer interfaces on newer IOS and IOS-XE versions.




          On earlier releases like IOS-XE 3S, the Cisco IOS software incorrectly
          allowed configuration of BFD on virtual-template and dialer
          interfaces; however, BFD functionality on virtual-template and dialer
          interfaces is not supported. Avoid configuring BFD on
          virtual-template and dialer interfaces.




          That is what the Cisco configuration guide says for BFD on IOS XE:



          https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bfd/configuration/xe-3s/irb-xe-3s-book/irb-bi-fwd-det.html







          share|improve this answer










          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          share|improve this answer



          share|improve this answer








          edited Apr 16 at 14:41





















          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.









          answered Apr 16 at 14:32









          user56700user56700

          1166




          1166




          New contributor




          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.





          New contributor





          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.






          user56700 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
          Check out our Code of Conduct.












          • Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

            – Mario Jost
            Apr 16 at 15:35






          • 1





            @MarioJost I'm really sorry sir, i do not know of any alternatives.

            – user56700
            Apr 16 at 16:36

















          • Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

            – Mario Jost
            Apr 16 at 15:35






          • 1





            @MarioJost I'm really sorry sir, i do not know of any alternatives.

            – user56700
            Apr 16 at 16:36
















          Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

          – Mario Jost
          Apr 16 at 15:35





          Thank you for the explanation. So is there another alternative on how to use BFD in a FlexVPN environment? I found a cisco FlexVPN configuration example with BFD, but they use manually created tunnel interfaces on the hubs, i mean what the heck? cisco.com/c/en/us/support/docs/security/flexvpn/…

          – Mario Jost
          Apr 16 at 15:35




          1




          1





          @MarioJost I'm really sorry sir, i do not know of any alternatives.

          – user56700
          Apr 16 at 16:36





          @MarioJost I'm really sorry sir, i do not know of any alternatives.

          – user56700
          Apr 16 at 16:36

















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