12-08-2008 12:47 PM - edited 03-06-2019 02:52 AM
Does anyone know how to find out the maximum number of mac-addresses a 3750 switch can support?
12-08-2008 12:54 PM
From the datasheet-
Configurable up to 12,000 MAC addresses (Cisco Catalyst 3750G-24TS, 3750G-24WS, 3750G-24T, 3750G-12S, 3750-24TS, 3750-24FS, 3750-24PS, 3750-48TS, 3750-48PS, 3750G-24TS-1U, 3750G-24PS, 3750G-48TS, 3750G-48PS, and 3750G-16TD)
Hope that helps.
12-08-2008 12:58 PM
To add to Collin's post, also depends on the SDM template you use -
MAC Addresses
⢠Desktop Default SDM template: 6K
⢠Desktop Routing SDM template: 3K Desktop VLAN SDM template: 12K
⢠Aggregator Default SDM template: 6K Aggregator Routing SDM template: 6K
⢠Aggregator VLAN SDM template: 12K
⢠WS-C3750G-12S Aggregator VLAN SDM template: 20K
Full link - http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5023/prod_qas09186a00801b0971.html
L2 performance table near the bottom.
Jon
12-08-2008 01:03 PM
Good point Jon.
12-08-2008 01:11 PM
Think I have found a way to get this figure. Please confirm that this is the correct way.
At the end of a "show mac address-table" output is:
Total Mac Addresses for this criterion: 2074
The end of a "show mac address-table" output is:
Total Mac Address Space Available: 3456
Adding the two figures above yields 5530
Would this be one way to find out the maximum number of mac addresses a 3750 switch can support?
12-08-2008 01:37 PM
You're probably using the default SDM template which is 6K (per Jon). show sdm prefer will show you what template you're using.
Hope that helps.
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