You could also do: access-list 23 deny 239.0.0.0 0.255.255.255 access-list 23 permit any
int gi0/0 ip multicast boundary 23 filter-autorp On Fri, Jun 17, 2011 at 1:53 PM, marc abel <[email protected]> wrote: > The first one blocks auto-rp and Administratively scoped multicast > addresses. The second one only blocks auto-rp. > > -Marc > > On Thu, Jun 16, 2011 at 3:54 PM, Huang, Kevin <[email protected]> wrote: >> DSG for Vol1 Lab24 Task24.20 uses the "ip multicast boundary" interface >> command w/ a standard ACL applied to it: >> >> access-list 23 deny 239.0.0.0 0.255.255.255 >> access-list 23 deny 224.0.1.39 >> access-list 23 deny 224.0.1.40 >> access-list 23 permit any >> >> int gi0/0 >> ip multicast boundary 23 >> ============ >> >> DSG for Vol3 Lab4 Task4.1 just applies an extended ACL to the interface: >> >> ip access-l ext NO-AUTORP >> deny ip any host 224.0.1.39 >> deny ip any host 224.0.1.40 >> permit ip any any >> >> int s0/1/0 >> ip access-group NO-AUTORP in >> ip access-group NO-AUTORP out >> ============= >> >> Do both methods pretty much achieve the same goal? >> Is there any difference other than the fact that it's more granular w/ an >> extended ACL? >> >> Thx, >> Kevin >> >> ---------------------------------------------------------------------- >> CONFIDENTIALITY NOTICE: This email and any files transmitted with it are >> confidential and intended solely for the use of the individual or entity to >> which they are addressed. If you are not the intended recipient, you may >> not review, copy or distribute this message. If you have received this >> email in error, please notify the sender immediately and delete the original >> message. Neither the sender nor the company for which he or she works >> accepts any liability for any damage caused by any virus transmitted by this >> email. >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> > _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com
