Re: Nachi/Welchia Aftermath

["Rubens Kuhl Jr." <rubens () email com>]

> T(> > Flow-based: Foundry with IronCore modules, Cisco Catalyst 6500 with
Sup1(A)
> T(> > Prefix-based: Foundry with JetCore modules, Cisco Catalyst 6500/7600
with
> T(> > Sup2(A), Sup3(A/BXL)
> T(>
> T(> The 2948G-L3 and the 4908G-L3 I believe are Prefix/ASIC based.
> T(> I believe the 3550-EMI is as well, but I'm not familiar with that
> T(> equipment.
> T(>
> T(>
>
>  Anyone know about the:
>   Cisco Catalyst 3750 ?
>   Nortel Passport 8600/1600 ?

Nortel Passport 8600 is flow-based according to a description I saw once; it
might have changed.

>  As for the 3550-EMI "real life" experience as a 10/100 BT aggregation
switch
> wasn't affected(CPU <5%) at all by rather aggressive scanning but did
> generate around 11 Mb/sec of ARP requests on all the 100Mb/sec ports in
the same
> VLAN and totally killed connectivity to legacy equipment connected at 10
Mb/s ...

Cisco Cat6k/Sup2+ has some throttling mechanisms that are worth testing to
see if it also happens on that architeture.


Rubens