From: wing_lam@jossynergy.com
Date: Mon Jun 23 2003 - 12:05:28 GMT-3
Hi Group,
I am testing the multicast help-map, and it found the broadcast haven't
mapped to multicast, can anybody give me a hints?
Broadcast address 192.168.1.255
Translated to 233.233.233.233
The following is the interface config, I have confirmed that broadcast
traffics get arrived this router:
interface FastEthernet0/0
ip address 192.168.1.1 255.255.255.0
ip directed-broadcast
ip router isis DOG
ip pim sparse-dense-mode
ip multicast helper-map broadcast 233.233.233.233 144 ttl 15
no ip mroute-cache
R6#sh access-l 144
Extended IP access list 144
permit udp any any eq 3000
deny udp any any
R6#sh ip mro ac
Active IP Multicast Sources - sending >= 4 kbps
R6#sh ip mro co
IP Multicast Statistics
8 routes using 3584 bytes of memory
5 groups, 0.60 average sources per group
Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kilobits
per second
Other counts: Total/RPF failed/Other drops(OIF-null, rate-limit etc)
Group: 233.233.233.233, Source count: 0, Packets forwarded: 0,
Packets received: 0
As you can see above, my problem is the broadcast haven't translated to
multicast, and the group 233.233.233.233 haven't got any packet even
destination joins, the broadcast traffic are generating around 20k bit/s.
Thx,
BBD (Big Black Dog)
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