MAC address table size in Catalyst WS-C3750G-24TS

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rducombl Wed, 09/16/2009 - 03:26
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  • Cisco Employee,

Hi Francois,


To see the maximum size you can fit in mac-address table

you can use the following command :

lan-3750-1# sh sdm prefer

The current template is "desktop default" template.

The selected template optimizes the resources in

the switch to support this level of features for

8 routed interfaces and 1024 VLANs.


number of unicast mac addresses: 6K

number of IPv4 IGMP groups + multicast routes: 1K

number of IPv4 unicast routes: 8K

number of directly-connected IPv4 hosts: 6K

number of indirect IPv4 routes: 2K

number of IPv4 policy based routing aces: 0

number of IPv4/MAC qos aces: 0.5K

number of IPv4/MAC security aces: 1K


----> here mac-address table size if 6k.


and you can tune it to another profile using : sdm prefer ... config command


More info in :

http://www.cisco.com/en/US/partner/docs/switches/lan/catalyst3750/software/release/12.2_50_se/configuration/guide/swsdm.html


TO see the actual number of mac in the table use : sh mac-address-table count


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