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Multicast and processing

Hi all;

I have two 6500 running as redundancy. They run HSRP and there are several vlans. I upgraded them with SUP2 recently and everything seems to be normal, but some things are a little bit weird.

When I issue "sh ip cache flow" on both, I see a lot of multicast traffic from HSRP. Is it normal ??

Vl15 200.155.16.10 Null 224.0.0.2 11 07C1 07C1 55

Vl27 200.155.16.98 Null 224.0.0.2 11 07C1 07C1 60

Vl95 200.155.16.85 Null 224.0.0.2 11 07C1 07C1 42

Vl169 200.155.16.66 Null 224.0.0.2 11 07C1 07C1 53

Vl120 200.155.16.226 Null 224.0.0.2 11 07C1 07C1 58

Vl131 200.155.16.242 Null 224.0.0.2 11 07C1 07C1 60

Vl75 200.155.16.178 Null 224.0.0.2 11 07C1 07C1 56

Vl58 200.155.18.130 Null 224.0.0.2 11 07C1 07C1 54

Vl17 200.155.18.242 Null 224.0.0.2 11 07C1 07C1 59

Vl160 200.150.150.203 Null 10.254.224.132 11 9BFA 00A1 5

Vl8 200.155.18.2 Null 224.0.0.2 11 07C1 07C1 59

Vl26 200.155.18.66 Null 224.0.0.2 11 07C1 07C1 54

Vl86 200.155.18.82 Null 224.0.0.2 11 07C1 07C1 57

Vl116 200.155.29.109 Null 224.0.0.2 11 07C1 07C1 54

Vl122 200.155.29.114 Null 224.0.0.2 11 07C1 07C1 54

Vl98 200.155.29.74 Null 224.0.0.2 11 07C1 07C1 55

Vl115 200.155.29.194 Null 224.0.0.2 11 07C1 07C1 60

Vl124 200.155.29.162 Null 224.0.0.2 11 07C1 07C1 61

Vl49 200.155.29.130 Null 224.0.0.2 11 07C1 07C1 60

Vl135 200.150.146.119 Null 200.150.146.127 11 0089 0089 3

Vl16 200.155.30.130 Null 224.0.0.2 11 07C1 07C1 53

Vl79 200.155.31.82 Null 224.0.0.2 11 07C1 07C1 52

Vl164 200.155.31.122 Null 224.0.0.2 11 07C1 07C1 60

Vl135 200.150.146.40 Null 200.150.146.127 11 008A 008A 4

Vl91 200.155.31.2 Null 224.0.0.2 11 07C1 07C1 52

Vl94 200.155.30.226 Null 224.0.0.2 11 07C1 07C1 575

Vl29 200.155.31.18 Null 224.0.0.2 11 07C1 07C1 61

Vl20 200.155.31.66 Null 224.0.0.2 11 07C1 07C1 63

Vl110 200.155.25.82 Null 224.0.0.2 11 07C1 07C1 60

I have the even and odds vlans balanced between the two cat's, but the process cpu from one is about 40%, while the other is about 10%. Can anyone help me to troubleshoot this ??

Thanks

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