Requirements:
1.) Utilize bandwidth efficiently
2.) Guarantee 33% aggregate bandwidth for voice traffic on DS3
3.) Guarantee 33% bandwidth for voice traffic on remote T1s
4.) Don't over-run the T1 or (2) T1 at the remote sites or send more that 33 percent of their respective bandwidths worth of voice traffic
Questions:
a.) Is there a better way to scale out multiple new sites?
b.) Is my logic accurate?
c.) Anything else I should consider?
Configuration:
HEAD-END CONFIGURATION:
ip access-list standard SITEA
permit 10.A.0.0 0.0.0.255
ip access-list standard SITEB
permit 10.B.0.0 0.0.0.255
class-map match-any SITEA
match access-group name SITEA
class-map match-any SITEB
match access-group name SITEB
class-map match-any VOICE-SIGNALING
match dscp af31
match dscp cs3
class-map match-any VOICE-AUDIO
match dscp ef
policy-map SITES-AUDIO
class SITEA
shape average 14762880
class SITEB
bandwidth 509520
random-detect
policy-map SITES-SIGNALING
class SITEA
shape average 2236800
class SITEB
bandwidth 77200
random-detect
policy-map VOICE
class VOICE-AUDIO
priority percent 33
service-policy SITES-AUDIO
class VOICE-SIGNALING
bandwidth percent 5
queue-limit 4096
service-policy SITES-SIGNALING
policy-map EFFICENT-BANDWIDTH
class class-default
shape average 44736000
service-policy VOICE
interface s0/0/0
service-policy output EFFICENT-BANDWIDTH
REMOTE CONFIGURATION:
class-map match-any VOICE-SIGNALING
match dscp af31
match dscp cs3
class-map match-any VOICE-AUDIO
match dscp ef
policy-map VOICE
class VOICE-AUDIO
priority percent 33
class VOICE-SIGNALING
bandwidth percent 5
policy-map EFFICENT-BANDWIDTH
class class-default
shape average 1544000
service-policy VOICE
interface s0/0/0
service-policy output EFFICENT-BANDWIDTH
Notes:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/srnd/8x/netstruc.html#wp1044216
http://www.cisco.com/en/US/docs/routers/10000/10008/configuration/guides/qos/10qhier.html#wp1041352
