R5(config)#do sh run int tun 100 Building configuration... Current configuration : 248 bytes ! interface Tunnel100 ip address 172.16.100.5 255.255.255.0 ip nhrp map 172.16.100.7 8.9.2.7 ip nhrp map multicast 8.9.2.7 ip nhrp network-id 1 ip nhrp nhs 172.16.100.7 tunnel source Serial0/1/0 tunnel destination 8.9.2.7 tunnel key 1 end
R7(config)#do sh run int tun 100 Building configuration... Current configuration : 209 bytes ! interface Tunnel100 ip address 172.16.100.7 255.255.255.0 no ip redirects ip nhrp map multicast dynamic ip nhrp network-id 1 tunnel source FastEthernet0/1 tunnel mode gre multipoint tunnel key 1 end Yes, the output tells so. Cheers Simon Am 24.01.2010 um 04:18 schrieb Tyson Scott: > Do you have the following in the configuration. > > ip nhrp nhs 172.16.100.7 > > It says in the debug output below that you don't have a NHS configured. > > Regards, > > Tyson Scott - CCIE #13513 R&S, Security, and SP > Technical Instructor - IPexpert, Inc. > Mailto: [email protected] > Telephone: +1.810.326.1444, ext. 208 > Live Assistance, Please visit: www.ipexpert.com/chat > eFax: +1.810.454.0130 > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Simon Baumann > Sent: Saturday, January 23, 2010 6:07 PM > To: [email protected] > Subject: [OSL | CCIE_Security] Lab 4, section 2, task 4.12 > > Hi, > I'm working on the DMVPN section. After my EIGRP neighbors didn't get up, I > reseted my pod any only configured the GRE interfaces, without any ipsec > profile or routing. > For my knowledge I should be able to ping R7 tunnel interface 172.16.100.7 > from R5, which has 172.16.100.5 on Tun100. > I ran an "debug nhrp" on R7, here's the output: > > *Jan 23 23:06:26.503: NHRP: if_up: Tunnel100 proto 0 > *Jan 23 23:06:26.703: NHRP: if_up: Tunnel100 proto 0 > *Jan 23 23:06:26.703: NHRP: Unable to send Registration - no NHSes configured > > Here's the debug output of R5: > *Jan 24 00:18:15.319: NHRP: if_up: Tunnel100 proto 0 > *Jan 24 00:18:15.323: NHRP: Attempting to send packet via DEST 172.16.100.7 > *Jan 24 00:18:15.323: NHRP: Send Registration Request via Tunnel100 vrf 0, > packet size: 92 > *Jan 24 00:18:15.323: NHRP: 120 bytes out Tunnel100 > *Jan 24 00:18:15.323: NHRP: Resetting retransmit due to hold-timer for > 172.16.100.7 > *Jan 24 00:18:16.311: NHRP: Setting retrans delay to 2 for nhs dst > 172.16.100.7 > *Jan 24 00:18:16.311: NHRP: Attempting to send packet via DEST 172.16.100.7 > *Jan 24 00:18:16.311: NHRP: Send Registration Request via Tunnel100 vrf 0, > packet size: 92 > *Jan 24 00:18:16.311: NHRP: 120 bytes out Tunnel100 > > > My research only lead to this information: > http://www.realexam.net/vpns-can-really-upset-me/1368.html > Do you have an hint what to check next? > > Cheers > Simon > > >
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