Thomas, There is no bug. R1 and R5 are not connected to another area so there will be no default. ATT bit is set when the L1/L2 router is connected to another area, not because there exists an L2 neighborship.
On Sun, Dec 20, 2009 at 10:21 AM, Rick Mur <[email protected]> wrote: > mm it seems to be a bug after all. Unfortunately I don't have an SP rack to > test it, but I would advice you to test this on a newer version of 12.2S in > Dynamips. You really should get a default advertised, I've seen it working > :-) > > > -- > Regards, > > Rick Mur > CCIE2 #21946 (R&S / Service Provider) > Sr. Support Engineer – IPexpert, Inc. > URL: http://www.IPexpert.com > > On 20 dec 2009, at 16:47, Thomas J. Loran wrote: > > LOL I am lousy at the 15 minute rule. I spent hours on this and I felt > it was a bug, I just wanted to confirm what you thought.. > > Thanks > > > > *From:* Rick Mur [mailto:[email protected]] > *Sent:* Sunday, December 20, 2009 8:42 AM > > *To:* Thomas J. Loran > *Cc:* [email protected]; Marko Milivojevic > *Subject:* Re: Volume 2 section 1 Multiprotocol Challange lab ISIS task > 2.2 > > Is R2 a full L1 router? L1/L2 routers do not receive the default, only pure > L1 ones. > > Otherwise try it with a different version, I know the proctorlabs 7200s > have a bit old release and there are some strange bugs in it. Maybe this is > one of them. For the workbook lab it doesn't matter, technological you are > correct :-) > > Try it with Dynamips on the latest 12.2S release. > > -- > Regards, > > Rick Mur > CCIE2 #21946 (R&S / Service Provider) > Sr. Support Engineer – IPexpert, Inc. > URL: http://www.IPexpert.com > > On 20 dec 2009, at 16:23, Thomas J. Loran wrote: > > > I should have mentioned that this was before route-leaking > > > *From:* Rick Mur [mailto:[email protected]] > *Sent:* Sunday, December 20, 2009 8:20 AM > *To:* Thomas J. Loran > *Cc:* [email protected]; Marko Milivojevic > *Subject:* Re: Volume 2 section 1 Multiprotocol Challange lab ISIS task > 2.2 > > Once you enable route leaking, in some cases the default will not be > advertised anymore. I believe this has to do with the S train specifically. > Try and remove the route-leaking and see if you then receive a default on > R2. > > > -- > Regards, > > Rick Mur > CCIE2 #21946 (R&S / Service Provider) > Sr. Support Engineer – IPexpert, Inc. > URL: http://www.IPexpert.com > > On 19 dec 2009, at 22:43, Thomas J. Loran wrote: > > > > In the Vol II section 1 multiprotocol Challenge A task 2.2 we have to > leak additional routes into R2 so everything stays connected if one of the > link goes down. I understand that. I know that I need /32 for routes > later on. > > What I do not understand is why R1 and R5, the L1/L2 routers do not leak a > default route into R2. I thought the L1/L2 routers were supposed to set > the ATT bit so R2 has a way out of the network > > R2# > IS-IS Level-1 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > R1.00-00 0x00000031 0x6E4B 1058 0/0/0 > R2.00-00 * 0x00000032 0x4661 977 0/0/0 > R5.00-00 0x00000035 0xAECD 980 0/0/0 > R5.03-00 0x00000008 0x2B7D 960 0/0/0 > > > R1#sh isi database > > IS-IS Level-1 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > R1.00-00 * 0x00000031 0x6E4B 891 0/0/0 > R2.00-00 0x00000032 0x4661 806 0/0/0 > R5.00-00 0x00000035 0xAECD 809 0/0/0 > R5.03-00 0x00000008 0x2B7D 790 0/0/0 > IS-IS Level-2 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > R1.00-00 * 0x0000000B 0x0EBF 886 0/0/0 > R5.00-00 0x0000000B 0x1228 518 0/0/0 > R1# > > R5#sh is database > > IS-IS Level-1 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > R1.00-00 0x00000031 0x6E4B 844 0/0/0 > R2.00-00 0x00000032 0x4661 763 0/0/0 > R5.00-00 * 0x00000035 0xAECD 769 0/0/0 > R5.03-00 * 0x00000008 0x2B7D 750 0/0/0 > IS-IS Level-2 Link State Database: > LSPID LSP Seq Num LSP Checksum LSP Holdtime ATT/P/OL > R1.00-00 0x0000000B 0x0EBF 840 0/0/0 > R5.00-00 * 0x0000000B 0x1228 476 0/0/0 > > > > I do not see any ATT bit being set and L2 is definitely an L1 only router > and R! and R5 are definitely L1/L2 routers. In Doyles’ Volume 1 Routing > book page 580 he discusses this and suggests turning on CLNS routing on both > the interface and the routers (default) I did that and am still not getting > the ATT bit set. > > What am I doing wrong? AM I wrong to look for the ATT bit / default route > in this scenario? > > All three routers are 7200 running version 12.2(18)S2 > > thanks > > Thomas Loran > CCIE #7113 > > > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > -- Bryan Bartik CCIE #23707 (R&S, SP), CCNP Sr. Support Engineer - IPexpert, Inc. URL: http://www.IPexpert.com
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
