JUNOSe 9.1.x Quality of Service Configuration Guide > Configuring Queue Profiles for Buffer Management > Memory Requirements for Queue and Buffers

Memory Requirements for Queue and Buffers

JUNOSe software uses 128-byte buffers.

The egress memory available for queues available depends on the ASIC and the line module. Table 6 lists the egress memory.

Table 6: Egress Memory on ASIC Line Modules

ASIC	Line Module	Egress Memory (MB)
EFA	All EFA line modules	32
FFA	GE-2 and GE-HDE	64
	OC48	128
	ES2 4G LM	128
TFA	ES2 10G LM	96

Related Topics

• To identify the type of ASIC used by a line module, see the ERX Module Guide and the E120 and E320 Module Guide
• Guidelines for Managing Queue Thresholds
• Guidelines for Managing Buffers