Priscilla Oppenheimer wrote: > Daniel Cotts wrote: > >>Not an issue of errata but of reading a little further. >>If there is a default static 0.0.0.0 0.0.0.0 192.168.1.2 >>and RIP on the router then: >>that router will use the static as its gateway of last resort >>and RIP will >>advertise that route to its neighbors. >>For IGRP and EIGRP see Doyle p 756 >>"Default routing is somewhat different for IGRP and EIGRP. >>These protocols >>do not understand the address 0.0.0.0. Rather, they advertise >>an actual >>address as an external route...." >>Use the ip default-network command to create that route. >>ip default-network 10.0.1.0 (or whatever - plus in EIGRP one >>can add a mask) >>The router on which that is configured will advertise that >>route to its >>neighbors. > > > Will IGRP and EIGRP do this automatically or do they need > default-information originate, I wonder?
You don't need default-info orig with IGRP/EIGRP BTW EIGRP does understand 0.0.0.0, IGRP is the protocol that does not. > It's probably not worth testing on my routers because they are so old they > won't take a recent IOS version. I saved you some time and money;) > > When I get back to my work lab I could test it, but that won't be until > September. (The academic life has some advantages. :-) > > Priscilla > >>See also "EIGRP Network Design Solutions" page 219-223 >>(It appears the book is out of print. There are a few available >>on Amazon.) >>So - the sentence in Doyle p 753 "After a default route is >>identified in the >>routing table, RIP, IGRP, and EIGRP will automatically >>advertise it." - is >>true as long as we understand that "default route" means >>different things >>for RIP vs EIGRP. No redistribution commands are used. >> >>Now - the original point of this thread was 'has the treatment >>of default >>routes - particularly by RIP - changed in newer versions of >>IOS?' Some weeks >>ago I did some testing and did not find any change (used 11.1 >>through 12.2). >>However, I seem to remember some discussion by Chuck and others >>in the past >>on this subject. I haven't searched the archives - so am open >>to anyone >>proving otherwise. >> >> >>>-----Original Message----- >>>From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED] >> >>>But, alas, this didn't work on IGRP or EIGRP. >>> >>>So if anyone has a good errata for Doyle, Volume I, is this >> >>in it? -- David Madland CCIE# 2016 Sr. Network Engineer Qwest Communications 612-664-3367 "Government can do something for the people only in proportion as it can do something to the people." -- Thomas Jefferson Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=72504&t=72211 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
