Specifications

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3.3.5. Gigabit Ethernet Line Cards (WS-X6408A, WS-X6516A)
Linecards in this group include the following
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WS-X6408A-GBIC
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WS-X6516A-GBIC
Table 7. QoS on Gigabit Ethernet Line Cards (WS-X6408A, WS-X6516A)
WS-X6408A WS-X6516A
Number of GE Ports 8 16
# Port ASIC’s on the linecard 2 4
# Physical Ports per Port ASIC 4 4
Per Port Buffering Yes Yes
Buffer on Receive Side 73K 153K
Buffer on Transmit Side 439K 946K
Transmit Queue Structure per port 1P2Q2T 1P2Q2T
Receive Queue Structure per port 1P1Q4T 1P1Q4T
Receive (RX) Strict Priority Queue Yes Yes
Transmit (TX) Strict Priority Queue Yes Yes
Figure 9. WS-X6516-GBIC with optional DFC
3.3.6. 10/100/1000 (WS-X6148-GE-TX, WS-X6548-GE-TX)
Linecards in this group include the following
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WS-X6148-GE-TX
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WS-X6548-GE-TX
Table 8. QoS on Gigabit Ethernet Line Cards (WS-X6148-GE-TX, WS-X6548-GE-TX)
WS-X6148 WS-X6548
Number of GE Ports 48 48
# Port ASIC’s on the linecard 6 6
# Physical Ports per Port ASIC 8 8
Per Port Buffering Yes Yes
Buffer on Receive Side 185KB between 8 ports 185KB between 8 ports
Buffer on Transmit Side 1.2MB between 8 ports 1.2MB between 8 ports
Transmit Queue Structure per port 1P2Q2T 1P2Q2T