M Jay, It depends on the question, for example:
Some tasks may require to filter on a certain octet, Some tasks may require to filter on a certain subnet or network, And some tasks may require to filter on the hosts themselves. So it really depends on which way the task is presented. On Sun, Jul 26, 2009 at 2:29 PM, M Jay <[email protected]> wrote: > Hi Joe, > > Hope you doing great. I have a question regarding Route Filtering.When we > create access-list to filter down the *networks *we use *"0" *in the *last > octet *in the wildcard mask portion and when we create access list to > filter* host *we use *255 in the last octet*. But different CCIE > Candidates have different view for this. Some say that we need to use 255 > in the last octet for network filtering also, if the network routes coming > from Back Bone Router, one must use 255 in last octet. > So what you recommend for this: 255 or 0 in last octet for network > filtering? > and in lab exam do we need to ping the host coming from the BB routers? > > Pleae assist me in this regard, > > Thanks > > ------------------------------ > Windows Live™ SkyDrive™: Store, access, and share your photos. See > how.<http://windowslive.com/Online/SkyDrive?ocid=TXT_TAGLM_WL_CS_SD_photos_072009> > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > >
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