I have 2 systems in different locations sending to the multicast address 184.108.40.206 on port 55304 - I have been tasked with sending both of these feeds into another system for analysis. So immediately you can see the problem.
After some googleing, I discovered the virtual interface (interface vif 1) and within it, the 'ip service reflect' command to re-address multicast destination addresses. Perfect!
So, I configured it as such:
interface GigabitEthernet0/0 description CAT11 in ip address 192.168.104.220 255.255.255.0 ip pim sparse-dense-mode duplex auto speed auto ! interface Vif1 ip address 10.10.10.1 255.255.255.248 ip pim sparse-dense-mode ip service reflect GigabitEthernet0/0 destination 220.127.116.11 to 18.104.22.168 mask-len 32 source 10.10.10.2 ip igmp static-group 22.214.171.124 !
Connect the router to a switch and subscribe to 126.96.36.199 port 55304 - works a treat...on my test system!
When I add it to the production environment, the data is not available. The production switch has a 'trunk' configured, which carries the same multicast data from the other system (with the original multicast address entact (188.8.131.52:55304)) as well as another multicast data stream from a totally different address and port.
The switch connecting to (what I call the multicast re-addressing router) is configured as 'no switchport' and an IP address on the same subnet as the re-addressing router. 'ip pim sparse-dense-mode' is also configured on the switch interface to the router and vice versa.
The Router (both production and test) are ISR 2911 running 15.3(3)M and ipbasek9 licence along with securityk9, datak9, uck9 and many more enabled.
The switches are 3750G running 12.2(44)SE5 using the IPSERVICESK9-mz image. All commands (such as ip multicast-routing distributed, ip pim sparse-dense-mode, ip igmp join-group) all work, so it's not a case of licence/image issues.
Any ideas would be greatly appreciated.
The other 2 multicast streams work correctly as well - can subscribe to the multicast groups and receive data.
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