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isolate an IGMP vlan

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  • 1.  isolate an IGMP vlan

    Posted Jan 10, 2017 10:30 AM

    I have in a network one vlan igmp enabled, the streaming server and the clients are all connected to that vlan.

    Nevertheless the core switch has an IP address (VRRP) in order to act as an IGMP querier.

    Now I want to prevent that clients inside this subnet can reach the rest of my other network except one SIP server

    Therefore I cam up with following access-list

    ip access-list extended "IPTV"
     
       10 permit ip 0.0.0.0 255.255.255.255 255.255.255.255 0.0.0.0
       20 permit igmp 0.0.0.0 255.255.255.255 0.0.0.0 255.255.255.255
       30 permit udp 0.0.0.0 255.255.255.255 239.192.50.50 0.0.0.0 eq 2209
       50 remark "VoIP_SIP to PBX"
       50 permit udp 172.27.0.0 0.0.8.255 10.1.4.1 0.0.0.0 eq 5060
       60 remark "VoIP_rtp to PBX"
       60 permit udp 172.27.0.0 0.0.8.255 10.1.4.1 0.0.0.0 gt 24000
       70 permit ip 172.27.0.0 0.0.8.255 172.25.0.0 0.0.8.255
       100 permit ip 0.0.0.0 255.255.255.255 224.0.0.0 15.255.255.255
       exit

    As soon as I apply this ACL to the VLAN interface my streaming stops at the clients

    vlan  600 
         ip access-group "iptv" vlan 
         exit

    something is wrong on my ACL but I do not see it...


    #IGMP
    #multicast
    #ACL