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Understanding the SDM Templates
Table 6-1
Resource
Unicast MAC addresses
IGMP groups and multicast routes
Unicast routes
•
•
Policy-based routing ACEs
QoS classification ACEs
Security ACEs
1.Policy-based routing is not supported in the IP base image on the switch.
The rows in the table represent approximate hardware boundaries set when a template is selected. The
template optimizes resources in the switch to support the indicated level of features for 8 routed
interfaces and 1024 Layer 2 VLANs. 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 Templates
You can select SDM templates to support IP Version 6 (IPv6). For more information about IPv6, see
Chapter 35, "Configuring IPv6 Host Functions."
This release does support IPv6 host and IPv6 Multicast Listener Discovery (MLD) snooping.
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. Do not use them if you plan to forward only IPv4 traffic.
The dual IPv4 and IPv6 default template supports Layer 2, multicast, routing, QoS, and ACLs for IPv4;
and Layer 2 for IPv6 on the switch.
These SDM templates support IPv4 and IPv6 environments:
•
•
•
Table 6-2
estimations are based on a switch with 8 routed interfaces and approximately 1000 VLANs.
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
6-2
Approximate Number of IPv4 Features Allowed by Each Template
Directly connected hosts
Indirect routes
1
The dual IPv4 and IPv6 default template supports Layer 2, multicast, routing, QoS, and ACLs for
IPv4; and Layer 2, routing, and ACLs for IPv6 on the switch.
The 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 on the
switch.
The dual IPv4 and IPv6 VLAN template supports basic Layer 2, multicast, QoS, and ACLs for IPv4,
and basic Layer 2 and ACLs for IPv6 on the switch.
defines the approximate feature resources allocated by each new template. Template
Chapter 6
Access
Default
4 K
6 K
1 K
1 K
6 K
8 K
4 K
6 K
2 K
2 K
0.5 K
0
0.75K
0.75K
2 K
1 K
The switch does not support IPv6 routing and QoS.
Configuring SDM Templates
Routing
VLAN
3 K
12 K
1 K
1 K
11 K
0
3 K
0
8 K
0
0.5 K
0
0.75K
0.75K
1 K
1 K
OL-8915-03
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