Setup Guide

Table Of Contents
Syslog Warning Upon 90 Percent Utilization of CAM
CAM utilization includes both the L3_DEFIP and L3_DEFIP_PAIR_128 table entries to calculate the utilization.
Syslog Warning for Discrepancies Between Configured
Extended Prefixes
An error message is displayed if the number of extended prefix entries is different from the configured value during bootup.
Unified Forwarding Table (UFT) Modes
Unified Forwarding Table (UFT) consolidates the resources of several search tables (Layer 2, Layer 3 Hosts, and Layer 3 Route [Longest
Prefix Match — LPM]) into a single flexible resource. Dell EMC Networking OS supports several UFT modes to extract the forwarding
tables, as required. By default, Dell EMC Networking OS initializes the table sizes to UFT mode 2 profile, since it provides a reasonable
shared memory for all the tables. The other supported UFT modes are scaled-l3–hosts (UFT mode 3) and scaled-l3–routes (UFT mode
4).
Table 14. UFT Modes — Table Size
UFT Mode L2 MAC Table Size L3 Host Table Size L3 LPM Table Size
Default 72K 72K 16K
Scaled-l3-hosts 8K 136K 16K
Scaled-l3-routes 8K 8K 128K
Scaled-l2–switch 136K 8K 16K
Configuring UFT Modes
To configure the Unified Forwarding Table (UFT) modes, follow these steps.
1. Select a mode to initialize the maximum scalability size for L2 MAC table or L3 Host table or L3 Route table.
CONFIGURATION
hardware forwarding-table mode
DellEMC(conf)#hardware forwarding-table mode ?
scaled-l2-switch Forwarding table mode for scaling L2 Switch entries
scaled-l3-hosts Forwarding table mode for scaling L3 host entries
scaled-l3-routes Forwarding table mode for scaling L3 route entries
DellEMC(conf)#hardware forwarding-table mode scaled-l3-hosts
Hardware forwarding-table mode is changed. Save the configuration and reload to take
effect.
DellEMC(conf)#end
DellEMC#write memory
!
Apr 26 14:37:16: %STKUNIT1-M:CP %FILEMGR-5-FILESAVED: Copied running-config to startup-
config in flash by admin
DellEMC#
2. Display the hardware forwarding table mode in the current boot and in the next boot.
EXEC Privilege
show hardware forwarding-table mode
DellEMC#show hardware forwarding-table mode
Current Settings Next Boot Settings
Mode : Default scaled-l3-hosts
L2 MAC Entries : 72K 8K
L3 Host Entries : 72K 136K
L3 Route Entries : 16K 16K
Content Addressable Memory (CAM)
223