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Author Topic: Tunnel problem with Cisco router, dialer and dynamic IP  (Read 193 times)

criushr

  • Newbie
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  • Posts: 3
Tunnel problem with Cisco router, dialer and dynamic IP
« on: October 27, 2020, 06:04:28 AM »

Hello.
I'm trying to build HE tunnel for a few days now without success, so I decided to ask for help. Once I configure the tunnel not even P2P IPv6 ping is not working. I'm using c181x-adventerprisek9-mz.151-4.M12a on Cisco 1812 router. In order to access Internet I'm using dialer (pppoe) and here is a relevant part of my configuration:

!
ipv6 unicast-routing
ipv6 cef
!
interface Loopback6
 no ip address
 ipv6 address 2001:470:1F15:EB2::A/64
 ipv6 enable
!
interface Tunnel0
 description Hurricane Electric IPv6 Tunnel Broker
 no ip address
 ipv6 address 2001:470:1F14:EB3::2/64
 ipv6 enable
 tunnel source Dialer0
 tunnel mode ipv6ip
 tunnel destination 216.66.84.46
!
interface FastEthernet0
 description INTERNET
 no ip address
 duplex auto
 speed auto
 pppoe enable group global
 pppoe-client dial-pool-number 1
 no cdp enable
!
interface Dialer0
 mtu 1492
 ip ddns update HE1
 ip address negotiated
 ip nat outside
 ip virtual-reassembly in
 encapsulation ppp
 ip tcp adjust-mss 1452
 dialer pool 1
 dialer-group 1
 ppp authentication chap callin
 ppp chap hostname xxxx
 ppp chap password 7 xxxx
 no cdp enable
!
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipv6 permit
!
ip route 0.0.0.0 0.0.0.0 Dialer0
ipv6 route ::/0 Tunnel0

rtr-0#ping ipv6 2001:470:1f14:eb3::1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:470:1F14:EB3::1, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
rtr-0#ping ipv6 2001:470:20::2 source loopback 6
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 2001:470:20::2, timeout is 2 seconds:
Packet sent with a source address of 2001:470:1F15:EB2::A
.....
Success rate is 0 percent (0/5)
office-0#

Any suggestions would be great since I'm stuck.
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