Strange Strange Brodcast

[alsayed]

hello

i cleared the counter for my gig interface connected to DS.and i watch my strange brodcast:

brodcast incresed every second i issue sh interface gig0/1

92601

185392

271123

314004

335597

364242

385654

1078788

2935007

plz help to overcome

[alsayed]

hello

here's my captured file.have a look

10xs

[alsayed]

edison any reply here based on the above diagrams.and could i stop this Brodacst due to ICMP IPv6

[Edison Ortiz]

Ali,

Based on the screenshot you posted, it seems you are seeing lots of MLD (Multicast Listener Discovery) packets.

You can control and block this traffic by following this URL

http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123cgcr/ipv6_r/ipv6_06g.htm#wp2016579

[alsayed]

Hello Edison

i have 2 DSs 720 each.

interface Vlan 100 and interface vlan 101.plz lit the Switable config according this 2 interfaces

10xs

[Danilo Dy]

Hi Ali,

Since the traffic is coming from the switch and you are sure that IPv6 is disabled in the switch. Can you post the "show version" output of the switch? It could be a bug.

Regardes,

Dandy

[alsayed]

how can i know ipv6 is disable on the Switch(6509 720)?

[Danilo Dy]

Hi Ali,

show ipv6 interface [interface-id]

show ipv6 route

show ipv6 static

Make sure you don't use IPv6 first.

In the global configuration mode

SW(config)# no ipv6 unicast-routing

In the interface configuration mode

SW(config-if)#no ipv6 enable

Regards,

Dandy

[alsayed]

HELLO

WHAT ABOUT THE GROUP STATE BASED ON THE SCREENSHOT TO DEFINE THE IPV6 ACCESS-LIST?

10XS

[alsayed]

and also based on the snapshot.i didnt understand this:ff04::10 do i need to configure it or find the Destination based on my snapshot

10xs

[alsayed]

Hello edison!

in my situation what is state for groups based in my screen shot?i have a lots of groups

10xs

[alsayed]

hello

any extra Reply

10xs

[mheusing]

Hi,

have a look at the source mac addresses seen, which is HighTech_1d:b3:01 in the screenshot. Track the mac address in the switches to the access port (presumably "show mac-address-table") and have a look at the attached device. I would assume the source is not a switch, but a host with default IPv6 settings. Once you found the host(s), check the network card settings and disable IPv6, as you do not want it to be active. In case you do not know how to disable it, please provide more informations on the host(s) causing the issue.

In brief:

1) find access port in the switches by tracking MAC address

2) identify host connected

3) check network card settings connected to switch port

Regards, Martin

[alsayed]

Hello

how can i track A MAC ADDRESS?

10XS

[alsayed]

hello

I DID EVERY THING BUT THE PROBLEM(BRODCAST) STILL EXIST.HOW U HELP?

10XS