Administration: Stack Management
Software Auto Synchronization in Stack
131 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
8
The feature set of the Sx350X and SG350XG/SX350X is the same, and similarly the feature 
set of the Sx550X and SG550XG/SX550X is the same. However there are a few differences in 
feature support and table sizes. For these features, hybrid stack supports the lowest 
denominator for these features/tables. The following is list of differences per each hybrid stack 
type, and the setting used in each unit type and in the hybrid stack:
Feature/Table Sx550X SG550XG/
SX550X
Hybrid Stack
OOB port Not Supported Supported Not Supported
MAC table size 16K 32K 16K
ACL TCAM 3K- reserved 2K- reserved 2K- reserved
ARP table size 4K – reserved 8K – reserved 4K – reserved
Max MAC table aging 400 630 400
Feature/Table Sx350X SG350XG/
SX350X
Hybrid Stack
OOB port Not Supported Supported Not Supported
MAC table size 16K 32K 16K
ACL TCAM 1K- reserved 2K- reserved 1K- reserved
Router TCAM 992 7168 (affects 
also default 
and Max 
setting per 
each type)
992 
ARP table size 1K – reserved 8K – reserved 1K – reserved
Number of Multicast groups 2K 4K 2K
Max. number of IPv4 routes 990 7168 990
Max. number of IPv4 host 
directly-connected
820 7092 820
Max. number of IPv4 
Multicast routes
255 1800 255
Max number of IPv6 
interfaces
106 200 106