- Preface
- Software Licensing
- The Cisco IOS command-line interface (CLI)
- Configuring Interfaces
- Switch Alarms
- Initial Switch Configuration (IP address assignments and DHCP autoconfiguration)
- How to Setup and Use the Cisco Configuration Engine
- How to Create and Manage Switch Clusters
- Performing Switch Administration
- Configuring Precision Time Protocol (PTP)
- Configuring PROFINET
- Common Industrial Protocol (CIP)
- Configuring SDM Templates
- Configuring Switch-Based Authentication
- Configuring IEEE 802.1x Port-Based Authentication
- MACsec
- Web-Based Authentication
- Configuring Smartports Macros
- Configuring SGACL Monitor Mode and SGACL Logging
- Configuring SGT Exchange Protocol over TCP (SXP) and Layer 3 Transport
- Configuring VLANs
- VLAN Trunking Protocol (VTP)
- Configuring Voice VLAN
- How to Configure Spanning Tree Protocol (STP)
- Configuring MSTP
- Configuring Optional Spanning-Tree Features
- Configuring Resilient Ethernet Protocol
- Configuring the FlexLinks and the MAC Address-Table Move Update
- Configuring DHCP
- Dynamic Address Resolution Protocol (ARP)
- Configuring IP Source Guard
- How to Configure Internet Group Management Protocol (IGMP) and Multicast VLAN Registration (MVR)
- Configuring Port-Based Traffic Control
- Configuring LLDP, LLDP-MED, and Wired Location Service
- Configuring SPAN and RSPAN
- One-to-one (1:1) Layer 2 Network Address Translation (NAT)
- How to Configure CDP
- Configuring UniDirectional Link Detection (UDLD)
- Configuring RMON
- Configuring System Message Logging
- Configuring Simple Network Management Protocol (SNMP)
- Network Security with ACLs
- Configuring Quality of Service (QoS)
- Configuring Static IP Unicast Routing
- Configuring IPv6 Host Functions
- Configuring Link State Tracking
- Configuring IP multicast routing
- Configuring Multicast Source Discovery Protocol (MSDP)
- Configuring Multicast Listener Discovery (MLD) snooping
- Configuring HSRP and VRRP
- Configuring IPv6 access control lists (ACLs)
- Configuring Embedded Event Manager (EEM)
- IP Unicast Routing
- IPv6 Unicast Routing
- Unicast Routing Overview
- Configuring Cisco IOS IP SLAs Operations
- Configuring Dying-Gasp
- How to Configure Enhanced Object Tracking
- Configuring MODBUS TCP
- Configuring Ethernet CFM
- Working with the Flash File System
- How to Configure EtherChannels
- Troubleshooting
- How to use a Secure Digital (SD) flash memory module (SD card)
Configuring SDM Templates
Prerequisites for Configuring SDM Templates
You must enter the reload privileged EXEC command to have your configured SDM template take effect.
Restrictions for Configuring SDM Templates
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When you select and configure SDM templates, you must reload the switch for the configuration to take effect.
■If you try to configure IPv6 features without first selecting a dual IPv4 and IPv6 template, a warning message is generated.
■Using the dual-stack templates results in less TCAM capacity allowed for each resource, so do not use if you plan to forward only IPv4 traffic.
■To view matches under the permit statement of an extended ACL, the SDM template must be routing along with the log keyword. A default SDM template will only show matches for deny statements in an extended ACL.
Information About Configuring SDM Templates
SDM Templates
You can use SDM templates to configure system resources in the switch to optimize support for specific features, depending on how the switch is used in the network.
You can select a template to provide maximum system usage for some functions or use the default template to balance resources.
To allocate ternary content addressable memory (TCAM) resources for different usages, the switch SDM templates prioritize system resources to optimize support for certain features. When running the IPservices license, you can select SDM templates to optimize these features:
■Default—The default template gives balance to all Layer 2 functions.
■Dual IPv4 and IPv6—Allows the switch to be used in dual-stack environments (supporting both IPv4 and IPv6).
■Routing—The routing template maximizes system resources for IPv4 unicast routing, typically required for a router or aggregator in the center of a network.
See Dual IPv4 and IPv6 SDM Default Template.
There are four templates for ip services and one template for lanbase licensing.
Table 23 IP Services license SDM Templates
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Table 24 Lanbase license SDM Template
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The first eight rows in the tables (unicast MAC addresses through security ACEs) represent approximate hardware boundaries set when a template is selected. If a section of a hardware resource is full, all processing overflow is sent to the CPU, seriously impacting switch performance.
Dual IPv4 and IPv6 SDM Default Template
You can select an SDM template to support IP Version 6 (IPv6) switching. The dual IPv4 and IPv6 template allows the switch to be used in dual-stack environments (supporting both IPv4 and IPv6). Using the dual-stack templates results in less TCAM capacity allowed for each resource. You should not use this template if you plan to forward only IPv4 traffic.
These SDM templates support IPv4 and IPv6 environments:
■Dual IPv4 and IPv6 default template—Supports Layer 2, QoS, and ACLs for IPv4; and Layer 2, IPv6 host, and ACLs for IPv6.
■Dual IPv4 and IPv6 routing template—Supports Layer 2, multicast, routing (including policy-based routing), QoS, and ACLs for IPv4; and Layer 2, routing, and ACLs for IPv6.
How to Configure the Switch SDM Templates
Setting the SDM Template
Configuration Examples for Configuring SDM Templates
Configuring IP Services Templates: Examples
This is an example of output from the show sdm prefer default command:
This is an example of output from the show sdm prefer dual-ipv4-and-ipv6 default command:
This is an example of output from the show sdm prefer dual-ipv4-and-ipv6 routing command:
This is an example of output from the show sdm prefer routing command:
Configuring Lanbase Templates: Example
This is an example of output from the show sdm prefer command on a Lanbase image:
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