CHAPTER 16
Configuring MAC/ARP Hardware Resource
Carving Template
This chapter contains the following sections:
•
Information About MAC/ARP Hardware Resource Carving Template, page 199
•
Configuring the MAC/ARP Hardware Resource Template , page 200
•
Applying the Default Template, page 201
•
Verifying the MAC/ARP Hardware Resource Carving Template Configuration, page 201
Information About MAC/ARP Hardware Resource Carving
Template
On the Cisco Nexus device, the IPv4/IPv6 and unicast/multicast entries share the same tables. In addition, the
same tables are shared by Station Table Management (STM) and the Host Route Table (HRT). STM is the
part of the host table that holds the MAC entries. HRT is the part of the host table that holds ARP, IPv6 ND,
and /32 host routes. The STM/HRT template profile feature is specific to the Cisco Nexus device. This feature
provides you with a flexibility to carve STM & HRT table sizes per their requirements. The total table size
is 256k. You can apply any of the following four pre-defined templates:
SpecificationsTemplate Profiles
HRT size: 128k, STM size: 128k (default size)hrt-128-stm-128
HRT size: 96k, STM size: 160khrt-96-stm-160
HRT size: 64k, STM size: 192khrt-64-stm-192
HRT size: 32k, STM size: 224khrt-32-stm-224
Cisco Nexus 6000 Series NX-OS Layer 2 Switching Configuration Guide, Release 7.x
199
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