Blade ICE RACKSWITCH G8124-E Manual De Usuario
BLADEOS 6.5.2 Application Guide
BMD00220, October 2010
Chapter 14: FCoE and CEE
205
802.1p priority values may be assigned by the administrator for a variety of purposes. However,
when CEE is turned on, the G8124 sets the initial default values for ETS configuration as follows:
when CEE is turned on, the G8124 sets the initial default values for ETS configuration as follows:
Figure 23
Default ETS Priority Groups
, priorities values 0 through 2 are assigned
for regular Ethernet traffic, which has “best effort” transport characteristics.
Priority 3 is typically used to identify FCoE (SAN) traffic.
Priorities 4-7 are typically used for latency sensitive traffic and other important business
applications. For example, priority 4 and 5 are often used for video and voice applications such as
IPTV, Video on Demand (VoD), and Voice over IP (VoIP). Priority 6 and 7 are often used for
traffic characterized with a “must get there” requirement, with priority 7 used for network control
which is requires guaranteed delivery to support configuration and maintenance of the network
infrastructure.
applications. For example, priority 4 and 5 are often used for video and voice applications such as
IPTV, Video on Demand (VoD), and Voice over IP (VoIP). Priority 6 and 7 are often used for
traffic characterized with a “must get there” requirement, with priority 7 used for network control
which is requires guaranteed delivery to support configuration and maintenance of the network
infrastructure.
Note –
The default assignment of 802.1p priority values on the G8124 changes depending on
for details.
802.1p
Priority
Typical Traffic Type
LAN
LAN
LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
Latency-Sensitive LAN
LAN
SAN
PGID
0
1
2
3
4
5
6
7
1
2
3
4
5
6
7
2
3
4
Bandwidth
Allocation
10%
50%
40%