I mis-read your configuration sorry :) On Mon, May 23, 2011 at 1:25 PM, Jonathan Fernatt <[email protected]>wrote:
> It has been a while but I believe if you remove the commands redistributing > the sham link endpoints into OSPF you will be good to go. > > Jon > > > On Mon, May 23, 2011 at 12:31 PM, Jason Maynard > <[email protected]>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 >> > > _______________________________________________ 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
