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Configuring the Switching Database Manager
In the following example we configure 2048 entries for the IP-Prefix region:
4232-L3# configure terminal
4232-L3(config)# sdm size ip-prefix k-entries 2
4232-L3(config)# Ctrl-Z
The combined size entered for all the protocol regions should not exceed 32K, which is the total TCAM
size. To display the supported size of SDM, use the show sdm size command from global configuration
mode.
Router # show sdm size
Switching Database Region Sizes :
IPX Direct Network
IP Adjacency
IPX Node
IP Prefix
IPX Network
IP Multicast
MAC Addr
Access List
The following output is an example of borrowing 1K, 32-bit entries from the IPX-network region and
adding it to the ACL region as a 1280 128-bit entry:
Router # configure terminal
Router (config)# sdm size ipx-network k-entries 1
Router (config)# sdm access-list 1280
Router (config)# end
After you reload the Catalyst 4000 Layer 3 Services module, the show sdm size command will display
the SDM size:
Router # show sdm size
Switching Database Region Sizes :
IPX Direct Network
IP Adjacency
IPX Node
IP Prefix
IPX Network
IP Multicast
MAC Addr
Access List
The following example shows the IP-adjacency and IP-prefix protocol regions configured to the
maximum size possible, as the other regions are configured to the minimum size possible in the 32K
TCAM. The combined size for all the protocol regions should not exceed the 32K TCAM size.
Router# show sdm size
Switching Database Region Sizes :
IPX BVI Network
IP Adjacency
IPX Node
IP Prefix
IPX Network
IP Multicast
MAC Addr
Access List
Installation and Configuration Note for the Catalyst 4000 Layer 3 Services Module
76
:256
32-bit entries
:2048
32-bit entries
:1024
64-bit entries
:2048
32-bit entries
:2048
32-bit entries
:1024
64-bit entries
:2048
64-bit entries
:1024
128-bit entries
:256
32-bit entries
:2048
32-bit entries
:1024
64-bit entries
:2048
32-bit entries
:1024
32-bit entries
:1024
64-bit entries
:2048
64-bit entries
:1280
128-bit entries
:32
32-bit entries
:16240
32-bit entries
:32
64-bit entries
:16240
32-bit entries
:32
32-bit entries
:32
64-bit entries
:32
64-bit entries
:512
128-bit entries
78-10164-03
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