On the Spoke... ip nhrp map multicast hub-physical-ip-address
Regards, Brandon Carroll - CCIE #23837 Senior Technical Instructor - IPexpert Mailto: [email protected] Telephone: +1.810.326.1444 Live Assistance, Please visit: www.ipexpert.com/chat eFax: +1.810.454.0130 IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE (R&S, Voice, Security & Service Provider) certification(s) with training locations throughout the United States, Europe, South Asia and Australia. Be sure to visit our online communities at www.ipexpert.com/communities and our public website at www.ipexpert.com On May 5, 2010, at 12:30 AM, Michael Davis wrote: > Hi Everyone: > HUB > interface Tunnel0 > bandwidth 1000 > ip address 172.16.1.1 255.255.255.0 > no ip redirects > ip mtu 1400 > no ip next-hop-self eigrp 2 > ip nhrp authentication cisco > ip nhrp map multicast dynamic > ip nhrp network-id 2 > ip tcp adjust-mss 1360 > no ip split-horizon eigrp 2 > tunnel source Loopback0 > tunnel mode gre multipoint > tunnel key 2 > tunnel path-mtu-discovery > SPOKES > interface Tunnel0 > bandwidth 1000 > ip address 172.16.1.5 255.255.255.0 > no ip redirects > ip mtu 1400 > ip nhrp authentication cisco > ip nhrp map 172.16.1.1 10.1.1.1 > ip nhrp network-id 2 > ip nhrp nhs 172.16.1.1 > ip tcp adjust-mss 1360 > no ip split-horizon eigrp 2 > tunnel source Loopback0 > tunnel mode gre multipoint > tunnel key 2 > tunnel path-mtu-discovery > > From: Brandon Carroll [mailto:[email protected]] > Sent: Wednesday, May 05, 2010 5:23 PM > To: Michael Davis > Cc: Sumit Mahla; [email protected] > Subject: Re: [OSL | CCIE_Security] Yusuf Lab 2 > > Things that have worked for me: > > Try to disable CEF on the tunnel interface > Make sure you modified the MTU in the tunnel interface > Change the Bandwidth in the tunnel interface to 1000. I've seen packet > pacing problems with EIGRP on tunnel interfaces. > > There are other things that could cause that issue, but maybe you haven't > tried these. > > Like Sumit said, paste your configs here and maybe someone can spot an issue. > > > Regards, > > Brandon Carroll - CCIE #23837 > Senior Technical Instructor - IPexpert > Mailto: [email protected] > Telephone: +1.810.326.1444 > Live Assistance, Please visit: www.ipexpert.com/chat > eFax: +1.810.454.0130 > > IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, > Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE > (R&S, Voice, Security & Service Provider) certification(s) with training > locations throughout the United States, Europe, South Asia and Australia. Be > sure to visit our online communities at www.ipexpert.com/communities and our > public website at www.ipexpert.com > > > > On May 5, 2010, at 12:11 AM, Michael Davis wrote: > > > Thanks Sumit – I have tried all these things thanks. Any other ideas? > > From: Sumit Mahla [mailto:[email protected]] > Sent: Wednesday, May 05, 2010 5:09 PM > To: Michael Davis; [email protected] > Subject: RE: [OSL | CCIE_Security] Yusuf Lab 2 > > > > Michael, > > Please check the nhs defined in spokes... it should be Tunnel ip not the NBMA > IP... and nhrp mapping.... be carefull in the mapping... it can escape your > eyes very easily > > and also check the network advertised in the routing protocol... only > advertise the tunnel ip network and the loopback network > > > > > > From: [email protected] > To: [email protected] > Date: Wed, 5 May 2010 16:27:54 +1000 > Subject: [OSL | CCIE_Security] Yusuf Lab 2 > > Hi Everyone – I have got the DMVPN going on Yusuf lab 2. The tunnels work, > but both R3 and R5 are losing the DMVPN adjacencies, then they come straight > up again: > *May 5 06:24:49.271: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 2: Neighbor 172.16.1.1 > (Tunnel0) is down: retry limit exceeded > *May 5 06:24:52.451: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 2: Neighbor 172.16.1.1 > (Tunnel0) is up: new adjacency > Does anyone know what would cause this? > Thanks > Michael > > Invest your money wisely post Budget Sign up now. > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com >
_______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com
