[c-nsp] Mac address flapping..
Thomas Habets
thomas at habets.pp.se
Sun Jul 12 09:56:12 EDT 2009
On Sun, 12 Jul 2009, James Ashton wrote:
> over 120 other vlans on these same ports arent having this
> issue.
Have you checked that you aren't running into spanning tree limits?
6500/7600 have two limits, virtual ports and active logical ports.
The short story is:
1) check if "show spanning-tree summary total" is more than 10000.
2) check if "show vlan virtual-port" is more than 1800 per slot.
http://blog.habets.pp.se/2009/06/Spanning-tree-limits
http://www.cisco.com/en/US/solutions/ns340/ns394/ns50/net_design_guidance0900aecd806fe4bb.pdf
---------
typedef struct me_s {
char name[] = { "Thomas Habets" };
char email[] = { "thomas at habets.pp.se" };
char kernel[] = { "Linux" };
char *pgpKey[] = { "http://www.habets.pp.se/pubkey.txt" };
char pgp[] = { "A8A3 D1DD 4AE0 8467 7FDE 0945 286A E90A AD48 E854" };
char coolcmd[] = { "echo '. ./_&. ./_'>_;. ./_" };
} me_t;
More information about the cisco-nsp
mailing list