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Multicst problem - Need help please

m-abooali
Level 4
Level 4

H folks,

 

I need to let specific broadcast Ip pass over a link from one switch to another while all other traffic are blocked. I have used the following but I still get broadcast storm.

config# ip access-list extended block_All_ExceptOne
config# permit igmp any any
config# deny ip any any
config# deny udp any any
config# permit igmp host 239.0.0.55 any

a picture is attached.

Please advise,

 

best regards,

 

masood

 

 

1 Reply 1

m-abooali
Level 4
Level 4

sorry folks, i am re[lying to my post to make say something. I really don;t have the hardware nor I have configs except what I have in my post. someone else on overseas is trying to get this done and I have no access to the switches. He only wants to allow that broadcast Ip address 139.x.x.x and deny all other traffic. I told him to write an ACL permitting this host with this IP and deny ip any any.

he says that didn't work. i don;t have IP Multicast configs on those switches. so, i am on;y trying top help based on the info posted here.

 

any other form if ACL would work?

 

Thanks for your support.

 

best Regards,

 

Masood

 

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