01-29-2007 04:11 AM
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
01-29-2007 10:39 PM
The traffic observed is not hsrp but cgmp.
http://www.cisco.com/en/US/tech/tk828/technologies_white_paper09186a00800a3e2b.shtml
Regards,
Leo
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