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Cisco Bug: CSCtd57981 - IPv6 LI: Original / Intercepted v4 packets have wrong DSCP value

Last Modified

Jan 08, 2017

Products (6)

  • Cisco 12000 Series Routers
  • Cisco IOS XR Software
  • Cisco XR 12410 Router
  • Cisco XR 12416 Router
  • Cisco XR 12404 Router
  • Cisco XR 12406 Router

Known Affected Releases

3.8.0.LC 3.9.1.FWDG 4.0.0.BASE

Description (partial)

Symptom:
------------
LI matched packets have wrong DSCP value for both original and intercepted 
packets for IPv4 LI on E3 linecard. In problem case DSCP value for 
original/intercepted packet changes to some stale value. 

    +-----------------+---------------------+---------------------+
     |                 |   Original Stream   | Replicated Stream   |
     |                 |   DSCP              | DSCP                |
     +-----------------+---------------------+---------------------+
     |                 |                     |                     |
     | IPv4 Intercept  |   Not Good          | Not Good            |
     |                 |                     |                     |
     +-----------------+---------------------+---------------------+
     |                 |                     |                     |
     | IPv6 Intercept  |   Good              | Not Good            |
     |                 |                     |                     |
     +-----------------+---------------------+---------------------+

Conditions:
-------------
IPv4/IPv6 intercept is enabled and active.
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Bug Details Include

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