Hi Anantha Subramanian Natarajan The routing protocols are given a precedence of 6 meaning, it should be given priority. The control plane should take care of the routing packets else other least priority packets will fill the interface memory and your network will not will be built as routing updates does not reach the control plane.
The following link explains spd. IOS SPD feature allocates special memory for routing protocols. http://www.cisco.com/en/US/products/hw/routers/ps167/products_tech_note09186a008012fb87.shtml With regards Kings On Fri, May 14, 2010 at 12:36 PM, Anantha Subramanian Natarajan < [email protected]> wrote: > Hi All, > > Was reading through Chapter 11(QOS) on the Cisco ASA:All-in-One > Firewall,IPS,Anti-X, and VPN Adaptive security appliance" book and inferring > the below sentence from that > > "Certain critical keep-alive packets such as EIGRP hello packets are never > dropped even if they are not prioritized in the shaped traffic" > > Have a question on that, > > 1) Is all protocols hello packets treated that way in Cisco ASA and if so, > how Cisco ASA keeps track of that to have this exception. > > Thanks for the help > > Regards > Anantha Subramanian Natarajan > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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