very good article here:
http://nurdland.blogspot.com/2010/09/trouble-with-tcam.html
one of the first things i did with my new gear was to light up ipv6... i thought nothing of it and used this command:
dlsw1(config)#sdm prefer dual
dlsw1(config)#sdm prefer dual-ipv4-and-ipv6 ?
default Default bias
routing Unicast bias
vlan VLAN bias
quite honestly, i chose default mostly because it sounded good... or maybe i was just a good dummy that day...
dlsw1#sh sdm prefer
The current template is "desktop IPv4 and IPv6 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: 2K
number of IPv4 IGMP groups + multicast routes: 1K
number of IPv4 unicast routes: 3K
number of directly-connected IPv4 hosts: 2K
number of indirect IPv4 routes: 1K
number of IPv6 multicast groups: 1.125k
number of directly-connected IPv6 addresses: 2K
number of indirect IPv6 unicast routes: 1K
number of IPv4 policy based routing aces: 0
number of IPv4/MAC qos aces: 0.5K
number of IPv4/MAC security aces: 1K
number of IPv6 policy based routing aces: 0
number of IPv6 qos aces: 0.625k
number of IPv6 security aces: 0.5K
it requires a reboot to take effect... the guy in the link chose vlan and that gave him no room for v4 unicast routing according to the article...
whoops...
network cisco ccna gns3 certification arteq
a network runs through it
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