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Chapter 7

Multicast Music-on-Hold and IP/TV Configurations

IP/TV Server

interface Serial4/0.2 point-to-point description To middlertr - 256k ip multicast boundary low-moh

ip access-list standard low-moh remark Deny High-rate (.255), Medium (.248)

deny

239.255.0.0 0.0.255.255

deny

239.192.248.0 0.0.3.255

permit any

interface Serial4/0.3 point-to-point description To rightrtr - 128k ip multicast boundary moh

ip access-list standard moh remark Deny High-rate (.255), Medium (.248), Low (.244)

deny

239.255.0.0 0.0.255.255

deny

239.192.248.0 0.0.3.255

deny

239.192.244.0 0.0.3.255

permit any

Note

For more information about the boundaries, see the “Traffic Engineering” section on page 8-4.

To verify the configuration, first use the IP/TV Viewer client to request the stream at the branch office. Then use the show ip mroute active command. The following example shows the low stream (100k).

show ip mroute active

Active IP Multicast Sources - sending

>= 4 kbps

Group: 239.192.244.2, (?) Source: 10.5.11.20 (IPTV)

Low-rate stream - audio group address

Rate: 6 pps/12 kbps(1sec), 16 kbps(last 17 secs), 20 kbps(life avg)

Group: 239.192.244.1, (?) Source: 10.5.11.20 (IPTV) Rate: 20 pps/90 kbps(1sec)

Low-rate stream - video group address

, 94 kbps(last 23 secs), 115 kbps(life avg)

QoS for IP/TV Server

Although this document does provide full details on the QoS features and configurations for IP/TV, a basic recommendation and example configuration is given for reference.

The recommended QoS guidelines for IP/TV are: Classify streaming media with a DSCP of CS4 (which maps, by default, to a COS of 4).

Configure the ingress port on the switch that connects to the IP/TV server to “tag” the streaming media with the recommended value of CoS=4. The IP/TV server will require a 801.2Q trunk connection.

Cisco AVVID Network Infrastructure IP Multicast Design

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