Symptom

IPv6 TCAM utilization when IPv6 routing is not enabled. ACL Hardware Resource Utilization (Mod 1) ---------------------------------------------------------- Used Free Percent Utilization ------------------------------------------------------------------- Omitted... Ingress L3/VLAN QOS 112 912 10.94 Ingress L3/VLAN QOS IPv4 40 3.91 Ingress L3/VLAN QOS IPv6 40 3.91 Ingress L3/VLAN QOS MAC 8 0.78 Ingress L3/VLAN QOS ALL 4 0.39 Ingress L3/VLAN QOS OTHER 0 0.00 ======= Flags: F - Fragment entry E - Port Expansion D - DSCP Expansion M - ACL Expansion T - Cross Feature Merge Expansion N - NS Transit B - BCM Expansion C - COPP VDC-1 Ethernet1/1 : ==================== INSTANCE 0x1 --------------- Tcam 1 resource usage: ---------------------- LBL B = 0x4 Bank 2 ------ IPv4 Class Policies: L3 QoS() Netflow profile: 0 Netflow deny profile: 0 Entries: [Index] Entry [Stats] --------------------- [0x0084:0x0084:0x0684] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 48 [26679] [0x0085:0x0085:0x0685] permit ip 0.0.0.0/0 0.0.0.0/0 cos 2 [0] [0x0086:0x0086:0x0686] permit ip 0.0.0.0/0 0.0.0.0/0 cos 1 [0] [0x0087:0x0087:0x0687] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 8 [0] [0x0088:0x0088:0x0688] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 16 [0] [0x0089:0x0089:0x0689] permit ip 0.0.0.0/0 0.0.0.0/0 cos 0x4/0x6 [0] [0x008a:0x008a:0x068a] permit ip 0.0.0.0/0 0.0.0.0/0 cos 3 [0] [0x008b:0x008b:0x068b] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 26 [0] [0x008c:0x008c:0x068c] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 32 [0] [0x008d:0x008d:0x068d] permit ip 0.0.0.0/0 0.0.0.0/0 dscp 46 [0] [0x008e:0x008e:0x068e] permit tcp 0.0.0.0/0 0.0.0.0/0 eq 50075 [0] [0x008f:0x008f:0x068f] permit tcp 0.0.0.0/0 0.0.0.0/0 eq 50475 [0] [0x0090:0x0090:0x0690] permit tcp 0.0.0.0/0 0.0.0.0/0 eq 50010 [0] [0x0091:0x0091:0x0691] permit tcp 0.0.0.0/0 0.0.0.0/0 eq 1019 [0] [0x0092:0x0092:0x0692] permit tcp 0.0.0.0/0 0.0.0.0/0 eq 50020 [0] [0x0093:0x0093:0x0693] permit tcp 0.0.0.0/0 eq 50075 0.0.0.0/0 [0] [0x0094:0x0094:0x0694] permit tcp 0.0.0.0/0 eq 50475 0.0.0.0/0 [0] [0x0095:0x0095:0x0695] permit tcp 0.0.0.0/0 eq 50010 0.0.0.0/0 [0] [0x0096:0x0096:0x0696] permit tcp 0.0.0.0/0 eq 1019 0.0.0.0/0 [0] [0x0097:0x0097:0x0697] permit tcp 0.0.0.0/0 eq 50020 0.0.0.0/0 [0] IPv6 Class Policies: L3 QoS() Netflow profile: 0 Netflow deny profile: 0 Entries: [Index] Entry [Stats] --------------------- [0x0098:0x0098:0x0698] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 48 [0] [0x009a:0x009a:0x069a] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 cos 2 [0] [0x009c:0x009c:0x069c] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 cos 1 [0] [0x009e:0x009e:0x069e] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 8 [0] [0x00a0:0x00a0:0x06a0] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 16 [0] [0x00a2:0x00a2:0x06a2] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 cos 0x4/0x6 [0] [0x00a4:0x00a4:0x06a4] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 cos 3 [0] [0x00a6:0x00a6:0x06a6] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 26 [0] [0x00a8:0x00a8:0x06a8] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 32 [0] [0x00aa:0x00aa:0x06aa] permit ipv6 0000:0000:0000:0000:0000:0000:0000:0000/0 0000:0000:0000:0000:0000:0000:0000:0000/0 dscp 46 [0]

Conditions

When applying QoS match policies with DSCP or CS values

Workaround

No workarounds. If QoS policy is exhausting TCAM resources, apply policy without statistics enabled.

Further Problem Description