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Cisco Bug: CSCul30304 - Failed to allocate hardware resource(REP RI)

Last Modified

Sep 01, 2020

Products (1)

  • Cisco Catalyst 3850 Series Switches

Known Affected Releases

15.0(8.72)EMP 15.1(1.23)

Description (partial)

Symptom:
Multicast traffic is not routed between vlans. The "rep ri" column will show "0" for the affected multicast groups as shown below.

JC-SW-CORE#sh platform ip multicast retry mroute  
Multicast Retry database

mroute                          htm       si        di        rep ri    flags     
--------------------------------------------------------------------------------
(10.30.18.46,224.2.133.134)      0         0        60665d40   0                  
(*,224.2.127.254)                0         0        604f4ce0   0         C        
(10.30.18.46,224.2.127.254)      0         0        6041ed30   0                  
(*,239.255.255.250)              0         0        60421b10   0         C        
(*,232.44.44.233)                0         0        603917d0   0         C        
(10.30.18.48,224.2.133.134)      0         0        604e6930   0                  
(*,239.255.255.255)              0         0        607a6f70   0         C        
(10.30.18.47,224.2.133.134)      0         0        606bfdc8   0                  
(*,239.255.255.254)              0         0        606c2a90   0         C        
(*,239.255.255.253)              0         0        6031eaf8   0         C        
(*,224.0.1.60)                   0         0        4e46cb88   0         C        
(10.30.4.15,239.100.0.1)         0         0        4e0fba90   0                  
(10.30.4.15,239.255.255.253)     0         0        60d079a0   0                  
(*,224.0.1.1)                    0         0        60db1d30   0         C



- Packets will be forwarded in software as seen in "show ip mroute x.x.x.x count" but packet counter will not increment in below output:

JC-SW-CORE#sh platform ip multicast groups | b 10.30.4.15, 239.100.0.1
MROUTE ENTRY vrf 0 (*, 239.100.0.1)
Token: 0x0000035015  flags:  C
RPF interface: Tu1(73535887421473091)):  
Token:0x0000035016  flags:A
Number of OIF: 4
Flags: 0x10   Pkts : 0           <------------ Will not increment
OIF Details:
     Vl5      F NS                       <------------ Receiver vlan is added but packets are not forwarded
     Vl12      F NS
     Tu1        A
     Vl25      F NS
DI details
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Conditions:
Unknown
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