When I apply this config...everything breaks. The phone goes off
#--- THIS DOES NOT WORK ---# R1# ip pim rp-address 192.168.251.254 ! gig 0/0 (connects to SW1 g0/1) no ip gig 0/0.777 (connects to SW1 g0/1) ip address 10.254.253.254 255.255.255.0 ip pim sparse-dense mode
SW1# gig 0/1 (connects to R1 g0/0) sw mode trunk sw trunk encap dot1q ! int vlan 777 ip address 10.254.253.1 255.255.255.0 ip pim sparse-dense mode ! int vlan 778 ip address 10.254.251.1 255.255.255.0 ip pim sparse-dense mode ! gig 0/17 (phone port) switch access vlan 778 (keeping it simple for now) ----------------------------
I have tried this on 2 different model routers, each with different IOS versions. The same issues follow each router. What is it about the sub interfaces?
Any insight? Calling all multicast experts! Thanks!
creating sub-interface should not create any difference here. Only difference i can see earlier switch was working in l2 mode now it is participating in multicast routing as SVI is configured and pim neighborship established. Have you configured RP address on SW1. Please share below outputs from both devices
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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