[shvlad1]

Таймеры не регулируются, только 999 мс.

Из-за этого не поднимается BFD.

На 802.1q все путем.

Что делать?

(config)#int port-1.684
(config-subif)#bfd
(config-subif)#bfd in
(config-subif)#bfd interval ?
 <999-999>  Milliseconds

(config-subif)#bfd interval 999 ?
 min_rx  Minimum receive interval capability

(config-subif)#bfd interval 999 m
(config-subif)#bfd interval 999 min_rx ?
 <999-999>  Milliseconds

(config-subif)#bfd interval 999 min_rx 999 ?
 multiplier  Multiplier value used to compute holddown

(config-subif)#bfd interval 999 min_rx 999 m
(config-subif)#bfd interval 999 min_rx 999 multiplier ?
 <3-50>  value used to multiply the interval

 

Версия

Cisco IOS Software, IOS-XE Software (PPC_LINUX_IOSD-ADVIPSERVICESK9-M), Version 12.2(33)XNF2, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2010 by Cisco Systems, Inc.
Compiled Wed 07-Jul-10 01:19 by mcpre


Cisco IOS-XE software, Copyright (c) 2005-2010 by cisco Systems, Inc.
All rights reserved.  Certain components of Cisco IOS-XE software are
licensed under the GNU General Public License ("GPL") Version 2.0.  The
software code licensed under GPL Version 2.0 is free software that comes
with ABSOLUTELY NO WARRANTY.  You can redistribute and/or modify such
GPL code under the terms of GPL Version 2.0.  For more details, see the
documentation or "License Notice" file accompanying the IOS-XE software,
or the applicable URL provided on the flyer accompanying the IOS-XE
software.


ROM: IOS-XE ROMMON

uptime is 7 weeks, 5 days, 13 hours, 48 minutes
Uptime for this control processor is 7 weeks, 5 days, 13 hours, 50 minutes
System returned to ROM by reload at 23:19:57 MSK Thu Jan 19 2017
System restarted at 23:23:36 MSK Thu Jan 19 2017
System image file is "bootflash:asr1000rp1-advipservicesk9.02.06.02.122-33.XNF2.bin"
Last reload reason: Reload Command

[buckethead]

Обновляйте IOS-XE.

 

Cisco IOS XE Software, Version 03.16.04b.S - Extended Support Release
Cisco IOS Software, ASR1000 Software (PPC_LINUX_IOSD-ADVIPSERVICESK9-M), Version 15.5(3)S4b, RELEASE SOFTWARE (fc1)

Минимально возможно настроить 750 ms, работает.