Hi Everyone, In volume 1; lab 13 I ended up using confederation but with two private AS, however in the solution guide it uses three and I am failing to understand "why". Can anyone help me out here? Thanks.
Regards, Samir. On Tue, May 24, 2011 at 12:39 PM, <[email protected]>wrote: > Send CCIE_RS mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://onlinestudylist.com/mailman/listinfo/ccie_rs > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CCIE_RS digest..." > > > Today's Topics: > > 1. Re: GNS3 Connection Lost ([email protected]) > 2. Re: OSPF SHAMLinks (Jason Maynard) > 3. Re: GNS3 Connection Lost (Vladimir Osipenko) > 4. Re: GNS3 Connection Lost (Vladimir Osipenko) > 5. Re: OSPF SHAMLinks (Jason Maynard) > 6. Re: BGP update source (Vladimir Osipenko) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 23 May 2011 20:10:51 +0100 > From: [email protected] > To: <[email protected]> > Subject: Re: [OSL | CCIE_RS] GNS3 Connection Lost > Message-ID: <[email protected]> > Content-Type: text/plain; charset=UTF-8; format=flowed > > I had the same problem and I couldn't figure out what the issue was. I > had to create the topology from the scratch. > > > > Regards, > Lukasz > > On Mon, 23 May 2011 11:04:47 -0700, Max Kamali wrote: > > try putting the BB routers on a different hyporvisor. I notice the > > same error when trying to start more than 9 virtual routers. > > > > -masiko > > > > On May 23, 2011, at 10:25 AM, Jabran Javaid wrote: > > > >> > >> Hello friends, > >> > >> i am having an error on GNS3 "Connection Lost" while i execute one > >> of the internet toplogies 5.00 version of gns3. > >> BB1 , BB2 and BB3 doesnot start and i receive error in GNS3 as > >> connection lost. > >> kindly assist > >> > >> > >> > >> > >> Jabran Javaid > >> > >> > >> _______________________________________________ > >> 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 <http://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 <http://www.platinumplacement.com/> > > > > ------------------------------ > > Message: 2 > Date: Mon, 23 May 2011 15:59:28 -0400 > From: "Jason Maynard" <[email protected]> > To: "'Combatant 101'" <[email protected]>, "'Nicolas Bellenbaum'" > <[email protected]> > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] OSPF SHAMLinks > Message-ID: <018601cc1983$ecc93040$c65b90c0$@[email protected]> > Content-Type: text/plain; charset="us-ascii" > > I cannot get it to work....Do you see any issue with the configuration - I > am at the point to say it is a GNS3 issue but would like to confirm the > configuration > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Combatant 101 > Sent: May-23-11 2:53 PM > To: Nicolas Bellenbaum > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] OSPF SHAMLinks > > Funnily enough when I block the loopbacks of Sham going into OSPF it kills > my sham link altogether! > > The only way I seem to fix this is by doing a no area x sham-link etc etc > and then putting the sham-link command back in and poof it all workings. > > This has been the case several times! > > Haven't really bothered to investigate why but this solution works for me > on > physical and GNS3 > > HTH > > Sent from my iPhone 4 > > On 23 May 2011, at 10:03, Nicolas Bellenbaum <[email protected]> wrote: > > > I've had issues when i block both loopbacks from being redistributed into > OSPF. When i only filtered the loopback local to the PE from being > redistributed into OSPF the sham link came up with no issue. > > > > Nick > > > > On May 23, 2011, at 11:31 AM, Jason Maynard wrote: > > > >> I thought I would run this by the group as I am not getting the expected > >> results in GNS3. Is there anything that I am missing when creating > >> shamlinks? > >> > >> > >> > >> > >> > >> 1. Create a loopback with a /32 address on PE Routers > >> > >> 2. Add these loopbacks to the VRF > >> > >> 3. Advertise these loopbacks into the vrf address-family in BGP (Do > >> advertise these networks in OSPF) > >> > >> 4. Create a shamlink in the OSPF vrf process > >> > >> 5. Ensure /32 loopback addresses create above are not advertised in OSPF > >> > >> > >> > >> Complete Configuration (I only included the relevant information and it > is > >> assumed the you have an already functioning MPLS network) > >> > >> > >> > >> PE1 > >> > >> > >> > >> Step 1 and 2 > >> > >> interface Loopback100 > >> > >> description SHAMLINK Interface > >> > >> ip vrf forwarding CUSTA > >> > >> ip address 11.11.11.11 255.255.255.255 > >> > >> > >> > >> Step 3 > >> > >> router bgp 100 > >> > >> address-family ipv4 vrf CUSTA > >> > >> redistribute ospf 14 vrf CUSTA > >> > >> network 11.11.11.11 mask 255.255.255.255 > >> > >> exit-address-family > >> > >> > >> > >> Step 4 > >> > >> router ospf 14 vrf CUSTA > >> > >> area 0 sham-link 11.11.11.11 33.33.33.33 > >> > >> redistribute bgp 100 subnets route-map SHAM > >> > >> > >> > >> Step 5 > >> > >> access-list 10 permit 33.33.33.33 > >> > >> access-list 10 permit 11.11.11.11 > >> > >> ! > >> > >> route-map SHAM deny 10 > >> > >> match ip address 10 > >> > >> ! > >> > >> route-map SHAM permit 20 > >> > >> > >> > >> > >> > >> > >> > >> PE2 > >> > >> > >> > >> Step 1 and 2 > >> > >> interface Loopback100 > >> > >> description SHAMLINK Interface > >> > >> ip vrf forwarding CUSTA > >> > >> ip address 33.33.33.33 255.255.255.255 > >> > >> > >> > >> > >> > >> Step 3 > >> > >> router bgp 100 > >> > >> redistribute ospf 14 vrf CUSTA > >> > >> network 33.33.33.33 mask 255.255.255.255 > >> > >> exit-address-family > >> > >> > >> > >> > >> > >> Step 4 > >> > >> router ospf 14 vrf CUSTA > >> > >> area 0 sham-link 33.33.33.33 11.11.11.11 > >> > >> redistribute bgp 100 subnets route-map SHAM > >> > >> > >> > >> Step 5 > >> > >> access-list 10 permit 33.33.33.33 > >> > >> access-list 10 permit 11.11.11.11 > >> > >> ! > >> > >> route-map SHAM deny 10 > >> > >> match ip address 10 > >> > >> ! > >> > >> route-map SHAM permit 20 > >> > >> > >> > >> > >> > >> > >> > >> Blog: <http://packetsanalyzed.blogspot.com/> > >> http://packetsanalyzed.blogspot.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 <http://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 <http://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 <http://www.platinumplacement.com/> > > > > ------------------------------ > > Message: 3 > Date: Tue, 24 May 2011 00:36:14 +0400 > From: Vladimir Osipenko <[email protected]> > To: [email protected] > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] GNS3 Connection Lost > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > You can set up maximum RAM per hypervisor in a such way, that there > will be one router bgp process. > > On 23 May 2011 23:10, <[email protected]> wrote: > > I had the same problem and I couldn't figure out what the issue was. I > had > > to create the topology from the scratch. > > > > > > > > Regards, > > Lukasz > > > > On Mon, 23 May 2011 11:04:47 -0700, Max Kamali wrote: > >> > >> try putting the BB routers on a different hyporvisor. I notice the > >> same error when trying to start more than 9 virtual routers. > >> > >> -masiko > >> > >> On May 23, 2011, at 10:25 AM, Jabran Javaid wrote: > >> > >>> > >>> Hello friends, > >>> > >>> i am having an error on GNS3 "Connection Lost" while i execute one of > the > >>> internet toplogies 5.00 version of gns3. > >>> BB1 , BB2 and BB3 doesnot start and i receive error in GNS3 as > connection > >>> lost. > >>> kindly assist > >>> > >>> > >>> > >>> > >>> Jabran Javaid > >>> > >>> > >>> _______________________________________________ > >>> 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 <http://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 <http://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 <http://www.platinumplacement.com/> > > > > > ------------------------------ > > Message: 4 > Date: Tue, 24 May 2011 00:38:03 +0400 > From: Vladimir Osipenko <[email protected]> > To: [email protected] > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] GNS3 Connection Lost > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > Ohhh God! I meant "one router per process" > > > On 24 May 2011 00:36, Vladimir Osipenko <[email protected]> wrote: > > You can set up maximum RAM per hypervisor in a such way, that there > > will be one router bgp process. > > > > On 23 May 2011 23:10, ?<[email protected]> wrote: > >> I had the same problem and I couldn't figure out what the issue was. I > had > >> to create the topology from the scratch. > >> > >> > >> > >> Regards, > >> Lukasz > >> > >> On Mon, 23 May 2011 11:04:47 -0700, Max Kamali wrote: > >>> > >>> try putting the BB routers on a different hyporvisor. I notice the > >>> same error when trying to start more than 9 virtual routers. > >>> > >>> -masiko > >>> > >>> On May 23, 2011, at 10:25 AM, Jabran Javaid wrote: > >>> > >>>> > >>>> Hello friends, > >>>> > >>>> i am having an error on GNS3 "Connection Lost" while i execute one of > the > >>>> internet toplogies 5.00 version of gns3. > >>>> BB1 , BB2 and BB3 doesnot start and i receive error in GNS3 as > connection > >>>> lost. > >>>> kindly assist > >>>> > >>>> > >>>> > >>>> > >>>> Jabran Javaid > >>>> > >>>> > >>>> _______________________________________________ > >>>> 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 <http://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 <http://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 <http://www.platinumplacement.com/> > >> > > > > > ------------------------------ > > Message: 5 > Date: Mon, 23 May 2011 17:54:35 -0400 > From: "Jason Maynard" <[email protected]> > To: "'Jason Maynard'" <[email protected]>, "'Combatant 101'" > <[email protected]>, "'Nicolas Bellenbaum'" < > [email protected]> > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] OSPF SHAMLinks > Message-ID: <018701cc1994$02024860$0606d920$@[email protected]> > Content-Type: text/plain; charset="us-ascii" > > FYI - my config is bang on - Must have been an issue with GNS3 (I may try > it > again later....I will update the study group) > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Jason Maynard > Sent: May-23-11 3:59 PM > To: 'Combatant 101'; 'Nicolas Bellenbaum' > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] OSPF SHAMLinks > > I cannot get it to work....Do you see any issue with the configuration - I > am at the point to say it is a GNS3 issue but would like to confirm the > configuration > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Combatant 101 > Sent: May-23-11 2:53 PM > To: Nicolas Bellenbaum > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] OSPF SHAMLinks > > Funnily enough when I block the loopbacks of Sham going into OSPF it kills > my sham link altogether! > > The only way I seem to fix this is by doing a no area x sham-link etc etc > and then putting the sham-link command back in and poof it all workings. > > This has been the case several times! > > Haven't really bothered to investigate why but this solution works for me > on > physical and GNS3 > > HTH > > Sent from my iPhone 4 > > On 23 May 2011, at 10:03, Nicolas Bellenbaum <[email protected]> wrote: > > > I've had issues when i block both loopbacks from being redistributed into > OSPF. When i only filtered the loopback local to the PE from being > redistributed into OSPF the sham link came up with no issue. > > > > Nick > > > > On May 23, 2011, at 11:31 AM, Jason Maynard wrote: > > > >> I thought I would run this by the group as I am not getting the expected > >> results in GNS3. Is there anything that I am missing when creating > >> shamlinks? > >> > >> > >> > >> > >> > >> 1. Create a loopback with a /32 address on PE Routers > >> > >> 2. Add these loopbacks to the VRF > >> > >> 3. Advertise these loopbacks into the vrf address-family in BGP (Do > >> advertise these networks in OSPF) > >> > >> 4. Create a shamlink in the OSPF vrf process > >> > >> 5. Ensure /32 loopback addresses create above are not advertised in OSPF > >> > >> > >> > >> Complete Configuration (I only included the relevant information and it > is > >> assumed the you have an already functioning MPLS network) > >> > >> > >> > >> PE1 > >> > >> > >> > >> Step 1 and 2 > >> > >> interface Loopback100 > >> > >> description SHAMLINK Interface > >> > >> ip vrf forwarding CUSTA > >> > >> ip address 11.11.11.11 255.255.255.255 > >> > >> > >> > >> Step 3 > >> > >> router bgp 100 > >> > >> address-family ipv4 vrf CUSTA > >> > >> redistribute ospf 14 vrf CUSTA > >> > >> network 11.11.11.11 mask 255.255.255.255 > >> > >> exit-address-family > >> > >> > >> > >> Step 4 > >> > >> router ospf 14 vrf CUSTA > >> > >> area 0 sham-link 11.11.11.11 33.33.33.33 > >> > >> redistribute bgp 100 subnets route-map SHAM > >> > >> > >> > >> Step 5 > >> > >> access-list 10 permit 33.33.33.33 > >> > >> access-list 10 permit 11.11.11.11 > >> > >> ! > >> > >> route-map SHAM deny 10 > >> > >> match ip address 10 > >> > >> ! > >> > >> route-map SHAM permit 20 > >> > >> > >> > >> > >> > >> > >> > >> PE2 > >> > >> > >> > >> Step 1 and 2 > >> > >> interface Loopback100 > >> > >> description SHAMLINK Interface > >> > >> ip vrf forwarding CUSTA > >> > >> ip address 33.33.33.33 255.255.255.255 > >> > >> > >> > >> > >> > >> Step 3 > >> > >> router bgp 100 > >> > >> redistribute ospf 14 vrf CUSTA > >> > >> network 33.33.33.33 mask 255.255.255.255 > >> > >> exit-address-family > >> > >> > >> > >> > >> > >> Step 4 > >> > >> router ospf 14 vrf CUSTA > >> > >> area 0 sham-link 33.33.33.33 11.11.11.11 > >> > >> redistribute bgp 100 subnets route-map SHAM > >> > >> > >> > >> Step 5 > >> > >> access-list 10 permit 33.33.33.33 > >> > >> access-list 10 permit 11.11.11.11 > >> > >> ! > >> > >> route-map SHAM deny 10 > >> > >> match ip address 10 > >> > >> ! > >> > >> route-map SHAM permit 20 > >> > >> > >> > >> > >> > >> > >> > >> Blog: <http://packetsanalyzed.blogspot.com/> > >> http://packetsanalyzed.blogspot.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 <http://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 <http://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 <http://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 <http://www.platinumplacement.com/> > > > > ------------------------------ > > Message: 6 > Date: Tue, 24 May 2011 11:39:10 +0400 > From: Vladimir Osipenko <[email protected]> > To: Matt Hill <[email protected]> > Cc: CC IE <[email protected]> > Subject: Re: [OSL | CCIE_RS] BGP update source > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > Well, I would check active/passive states (config one as active and > the other as passive, then test. And then change roles and test > again). Let us know, if that helps. > > On 19 May 2011 09:09, Matt Hill <[email protected]> wrote: > > Pretty straightforward... In fact you will kick yourself... ?This used > > to get me too. > > > > The TCP session comes from the outgoing interface. > > > > Have you noticed that every destination ?port on the SAME ROUTER EVERY > > SINGLE TIME is 179? ?But when you have update-source lox it seems to > > one time be on on router, and another time on the other? > > > > Have a look :) > > > > This would be one way of doing something like "ensure Rx is the TCP > > source with a port >1024" or something like that if you are ever > > asked. > > > > Cheers, > > Matt > > > > CCIE #22386 > > CCSI #31207 > > > > On 19 May 2011 14:19, Amit Jp <[email protected]> wrote: > >> Hi , > >> I am trying to understand this but cant get proper answwer from anyone . > >> Here is my diagram > >> R1 ___R2 > >> > >> both are running BGP 1 . and i use serial interface to form neighbor > >> relationship > >> And i also use debug output i get source ip as outging interface and > >> destination ip as the interface add of the remote end. > >> . > >> > >> > >> > >> Now i use loop0 on both routers > >> > >> R1 > >> > >> Router bgp 1 > >> neighbor 2.2.2.2 remote-as 1 > >> > >> R2 > >> router gp 1 > >> neighbor 1.1.1.1 remote-as 1 > >> > >> > >> > >> it doesnt form neighbor relationship . Ok as bgp uses outgoing interface > by > >> default to form neighbor relationship. > >> > >> So i use update lo0 on just one router > >> Router 1 > >> > >> router bgp 1 > >> neighbor 2.2.2.2 update source lo0 > >> > >> > >> > >> > >> Here's my question to all > >> > >> > >> Why only use update source on one end of the router and not the other > end , > >> neighbor still comes up as i use it on one end > >> the outgoing interface of the remote router interface is still serial 0 > so i > >> need to change that remote end interfce from serial to loopback > interface by > >> using update source command ,,,ISNt't it??? > >> > >> > >> > >> Thanks and regards, > >> > >> Amit Jp > >> _______________________________________________ > >> 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 <http://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 <http://www.platinumplacement.com/> > > > > > End of CCIE_RS Digest, Vol 64, Issue 56 > *************************************** > -- Samir Idris _______________________________________________ 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
