Features |
Supervisor Engine 720 |
Supervisor Engine 32 |
Supervisor Engine 2 |
Supervisor Engine 1A |
Upstream Link |
2 Gigabit Ethernet ports-1 GBIC-based, 1 can be set to either GBIC-based or 10/100/1000-based RJ-45 |
8 Gigabit Ethernet SFP port + 1 10/100/1000 RJ-45 port or 2 10 GB Ethernet XENPAK ports + 1 10/100/1000 RJ-45 Port |
2 Gigabit Ethernet GBIC Ports |
2 Gigabit Ethernet GBIC Ports |
Upstream link queue Structure |
Tx 1p2q2t Rx 1p1q4t KB Cache/Port |
Tx 1p3q8t Rx 2q8t 9.5 MB Cache/GE port 100 MB Cache/10GE Port |
Tx 1p2q2t Rx 1p1q4t 512 KB Cache/Port |
Tx 1p2q2t Rx 1p1q4t 512 KB Cache/Port |
Uplink Port Scheduling |
WRR |
DWRR or SRR |
WRR |
WRR |
USB port |
None |
2 USB 2.0 ports-1 host port and 1 device Port |
None |
None |
Automatic power-off and power-on Restart |
Not Supported-only supports cold-start line cards |
Supported-you can remotely start the instance on the Console port. |
Not Supported-only supports cold-start line cards |
Not Supported-only supports cold-start line cards |
Backplane |
Gbps integrated switching matrix Module |
32 Gbps shared bus |
32 Gbps shared bus, or Mbps matrix Switching Module SFM) |
32 Gbps shared bus |
Performance |
For CEF720 and dCEF720 interface modules, up to 400 Mpps |
15 Mpps |
30 Mpps Up to 210 Mpps |
15 Mpps |
Cisco fast forward (CEF) |
Supported |
Yes. Use MSFC2A to implement hardware-based CEF forwarding. |
Yes. Use MSFC2 to implement hardware-based CEF forwarding. |
Not Supported. Only traffic-based forwarding is supported. |
Distributed Cisco fast forward |
Supported. DFC3 is required. |
Not Supported |
Supported. DFC is required. |
Not Supported |
SP NVRAM |
2 MBSP) |
2 MBSP) |
512 KBSP) |
512 KBSP) |
SP dynamic RAMDRAM) |
The default capacity is 512 MB, and can be upgraded to 1 GB on the Supervisor Engine 720 and Supervisor Engine 720-3B; the default capacity on the Supervisor Engine 720-3BXL is 1 GB |
The default capacity is 256 MB, which can be upgraded to 512 MB and 1 GB. |
The default capacity is 256 MB, which can be upgraded to 512 MB. |
The default size is 128 MB. |
SP onboard flash BootFlash) |
64 MB |
256 MB, which is regarded as a boot disk on the command line interface [CLI] through the internal small flash memory) |
32 MB |
16 MB |
Removable Storage |
Small flash memory Type II-64, 128 and 256 MB; Hardware supports 512 MB and 1 GB |
Small flash memory Type II-64, 128 and 256 MB; The hardware can support 512 MB, 1 GB, and USB |
PCMCIA-16, 24 and 64 MB; ATA-64MB |
PCMCIA-16, 24 and 64 MB; ATA-64MB |
Supported Chassis |
All Cisco Catalyst 6500 series chassis and Cisco 7600 series chassis are equipped with fan disks 2 or E series fan disks and power supplies larger than W) |
All Cisco Catalyst 6500 series chassis and Cisco 7600 series chassis are equipped with fan disks 2 or E series fan disks and power supplies larger than W) |
All Cisco Catalyst 6000 series chassis, Cisco 6500 series chassis, Cisco 7600 series chassis with any fan disk) |
All Cisco Catalyst 6000 series chassis, Cisco 6500 series chassis, Cisco 7600 series chassis with any fan disk) |
Slot requirements |
Use slots 1 and 2 in a 3-slot chassis; Use Slots 5 and 6 in a 6 or 9-slot chassis; Use slots 7 and 8 in a 13-slot chassis |
Use slots 1 and 2 in a 3-slot chassis; Use Slots 5 and 6 in a 6 or 9-slot chassis; Use slots 7 and 8 in a 13-slot chassis |
Use slots 1 and 2 in all Chassis |
Use slots 1 and 2 in all Chassis |
Hardware-based forwarding Engine |
Onboard PFC3A, PFC3B, or PFC3BXL |
Onboard PFC3B |
On-board PFC2; cannot be upgraded on site |
On-board PFC2; cannot be upgraded on site |
MSFC sub-card version |
Onboard MSFC3 |
On-board MSFC2A; layer-3 support is provided after the FCMs with the layer-3 license |
Optional MSFC2 |
Optional For MSFC2; cannot be upgraded on site |