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Cisco Bug: CSCvs04866 - On reload, 'ssm disable' loses effect

Last Modified

Sep 11, 2020

Products (9)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9912 Router

Known Affected Releases

6.2.3.MCAST

Description (partial)

Symptom:
RP/0/RSP0/CPU0:ASR9001-D#sh run multicast-routing 
Wed Oct  9 02:18:00.176 EDT
multicast-routing
!
 vrf D
  address-family ipv4
   ssm disable
  !
 !





RP/0/RSP0/CPU0:ASR9001-D#sh pim vrf D group-map 
Wed Oct  9 02:18:19.327 EDT

IP PIM Group Mapping Table 
(* indicates group mappings being used) 
(+ indicates BSR group mappings active in MRIB) 

Group Range         Proto Client   Groups RP address      Info

224.0.1.39/32*      DM    perm     0      0.0.0.0         
224.0.1.40/32*      DM    perm     0      0.0.0.0         
224.0.0.0/24*       NO    perm     0      0.0.0.0         
232.0.0.0/8*        SSM   config   0      0.0.0.0         <<<<<<<<<<<<<<<<<<< HERE 
224.0.0.0/4*        SM    static   0      0.0.0.0         RPF: Null,0.0.0.0

Conditions:
Seen on 6.2.3, 6.1.2 and 5.2.4
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