Yes that should work and now that I am looking at this again, I remember the same confusion. Looking at the solution guide I see:
"We can have two peers in a sub-AS without doing a mesh. But having read ahead and knowing the upcoming requirements we are going to do three sub-AS's for 109." I can't spot which upcoming requirement makes this clear, can anyone else? On Tue, May 24, 2011 at 9:04 AM, Samir Idris <[email protected]> wrote: > Well yes 1 ebgp and 1 ibgp. > > If we use two sub-AS and make R2 peer using ibgp with R4 and EBGP with R5. > Let R5 and R6 be in another sub-AS. We are not using OSPF/EIGRP as an IGP > so I don't see the hub-spoke issue out here. > > So there you go. I see two sub-as enough. > > On Tue, May 24, 2011 at 6:48 PM, marc abel <[email protected]> wrote: >> >> I assume you are talking about task 13.1 - 13.2 correct? It's been a >> while since I did this lab but it seems like R2 is the Hub in a hub >> and spoke frame network. You have the restrictions that R2 is allowed >> one iBGP and one eBGP peering. >> >> So how would you meet those requirements with only 2 sub AS's? >> >> On Tue, May 24, 2011 at 8:08 AM, Samir Idris <[email protected]> wrote: >> > 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 >> > > > > > -- > 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
