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Cisco Bug: CSCvu80988 - DNX-VRRP: Display the error message in non-scale mode when 16 entry TCAM is full for J

Last Modified

Aug 07, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

7.2.1.BASE

Description (partial)

Symptom:
VRRP IPv4/IPv6 traffic drops for a few of the flows in steady state. All the sessions need not be impacted, drops are seen for a few of the flows, around 10% in this case.

Conditions:
NCS5508 with VRRP sessions on bundle subinterfaces and BVI. Multiple incoming IPv4 and IPv6 traffic flows through each of the subinterface. Bundle members are from different LCs.

RP/0/RP0/CPU0:Fretta-DCI-PE1#show vrrp br
IPv4 Virtual Routers:
                      A indicates IP address owner
                      | P indicates configured to preempt
                      | |
Interface   vrID Prio A P State    Master addr     VRouter addr   
BV1001         1   80   P Master   local           10.1.1.3       
BE1001.1002    2   80   P Master   local           10.1.2.3       
BE1001.1003    3   80   P Master   local           10.1.3.3       
BE1001.1004    4   80   P Master   local           10.1.4.3       
BE1001.1005    5   80   P Master   local           10.1.5.3       
IPv6 Virtual Routers:
                      A indicates IP address owner
                      | P indicates configured to preempt
                      | |
Interface   vrID Prio A P State    Master addr     VRouter addr   
BV1001         1   80   P Master   local                         
                                               fe80::200:5eff:fe00:201
BE1001.1002    2   80   P Master   local                         
                                               fe80::200:5eff:fe00:202
BE1001.1003    3   80   P Master   local                         
                                               fe80::200:5eff:fe00:203
BE1001.1004    4   80   P Master   local                         
                                               fe80::200:5eff:fe00:204
BE1001.1005    5   80   P Master   local                         
                                               fe80::200:5eff:fe00:205
RP/0/RP1/CPU0:Fretta-DCI-PE1#

RP/0/RP1/CPU0:Fretta-DCI-PE1#show bundle be1001

Bundle-Ether1001
  Status:                                    Up
  Local links <active/standby/configured>:   3 / 0 / 3
  Local bandwidth <effective/available>:     30000000 (30000000) kbps
  MAC address (source):                      ee7a.a44b.64a2 (Chassis pool)
  Inter-chassis link:                        No
  Minimum active links / bandwidth:          1 / 1 kbps
  Maximum active links:                      64
  Wait while timer:                          2000 ms
  Load balancing:                            
    Link order signaling:                    Not configured
    Hash type:                               Default
    Locality threshold:                      None
  LACP:                                      Operational
    Flap suppression timer:                  Off
    Cisco extensions:                        Disabled
    Non-revertive:                           Disabled
  mLACP:                                     Not configured
  IPv4 BFD:                                  Not configured
  IPv6 BFD:                                  Not configured

  Port                  Device           State        Port ID         B/W, kbps
  --------------------  ---------------  -----------  --------------  ----------
  Te0/0/0/0/0           Local            Active       0x8000, 0x0052    10000000
      Link is Active
  Te0/4/0/16/0          Local            Active       0x8000, 0x0042    10000000
      Link is Active
  Te0/5/0/20/0          Local            Active       0x8000, 0x0028    10000000
      Link is Active
RP/0/RP1/CPU0:Fretta-DCI-PE1#
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