Feature |
Catalyst 2950 EI |
Catalyst 2950 SI |
VLANs supported |
250 |
64 |
4096 VLAN Ids |
Yes |
No |
Number of STP Instances |
64 |
64 |
64 bit counters on Gig ports |
Yes |
N/A |
CWGM GBIC support |
Yes |
N/A |
Trunking |
ISL Trunking |
No |
No |
802.1Q |
Yes |
Yes |
802.1Q Tunneling |
No |
No |
VTP Server, Client, Transparent Mode |
Yes |
Yes |
User configurable management VLAN |
Yes |
Yes |
Security |
Static Access Ports |
Yes |
Yes |
Port Security |
Yes |
Yes |
Port Security MAC Aging |
Yes |
Yes |
Private VLAN Edge (Protected Port) |
Yes |
Yes |
802.1x |
Yes |
Yes |
ACEs/ACPs (Layer 2-4 IP Security Filtering) |
Yes |
No |
Port based ACLS (PACL) |
Yes |
No |
TACACS+ |
Yes |
Yes |
RADIUS |
Yes |
Yes |
BPDU Guard |
Yes |
Yes |
STRG |
Yes |
Yes |
Quality of Service |
Number of Queues |
4 |
4 |
802.1p Priority |
Yes |
Yes |
Strict Priority Scheduling |
Yes |
Yes |
Weighted Round Robin |
Yes |
Yes |
Weighted Round Robin Detect |
Yes |
No |
Intelligent Ethernet (Policing/Metering, Marking, Classification,
Queuing & Scheduling) |
Yes |
No |
Unicast/Multicast/Broadcast Storm Control |
Yes |
Yes |
DHCP Option 82 |
No |
No |
DSCP Mapping |
Yes |
No |
IP Multicast |
CGMP |
No |
No |
IGMP Snooping |
Yes |
Yes |
IGMP Filtering |
Yes |
Yes |
MVR (Multicast VLAN Registration) |
Yes |
Yes |
NTP |
Yes |
Yes |
Link Aggregation |
CNS Agent Support (IE 2100) |
Yes |
No |
Clustering |
Yes |
Yes |
Rapid Spanning Tree (802.1w) |
Yes |
No |
Multiple Spanning Tree (802.1s) |
Yes |
No |
PAgP |
Yes |
Yes |
DTP |
Yes |
Yes |
VTP Pruning |
Yes |
Yes |
Filtering & Throttling |
Yes |
Yes |
SPAN |
Yes |
Yes |
Static and Dynamic MAC Addressing |
Yes |
Yes |
Dynamic Access Ports |
Yes |
Yes |
CDP v2 |
Yes |
Yes |
UDLD |
Yes |
Yes |
Protected Port (PVLAN Edge) |
Yes |
Yes |
Port duplex/speed |
Yes |
Yes |
Port Flow Control |
Yes |
Yes |
SysLog |
Yes |
Yes |
HTTP Enhancements |
Yes |
Yes |
MAC Addresses |
8000 |
8000 |
IP Host connectivity equivalent to 2900XL/3500XL such as telnet, DHCP,
BootP Client, DNS |
Yes |
Yes |
Spanning-Tree Protocol |
CrossStack UplinkFast |
Yes |
N/A |
PortFast |
Yes |
Yes |
UplinkFast |
Yes |
Yes |
BackboneFast |
Yes |
Yes |
VLANs |
|
|
Voice VLAN |
Yes |
Yes |
Per port enabling/disabling of unknown unicast/multicast flooding |
No |
No |
Multi-VLAN ports |
No |
No |
Network (Drain) Port |
No |
No |