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Hi,probably a noob question and problem for Cisco-wizards, but has anyone route64.org IPv6-tunnel config to share? IPv6 tunnelbrokers seem to close one after one, whilst I'm stuck with IPv4 world with my ISP. I have used so far Hurricane Electric tun...

Honkkis by Level 1
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If I ping tools.cisco.com it is successful via ipv4:ROUTER# ping tools.cisco.comType escape sequence to abort.Sending 5, 100-byte ICMP Echos to 173.37.145.8, timeout is 2 seconds:!!!!!Success rate is 100 percent (5/5), round-trip min/avg/max = 62/62/...

Hello. We have been trying to migrate to IPv6 and dhcpv6. So far we are having dhcp issue. I have a router running iOS-xe and it has the production vlan on it and it’s configured like this for the vlan interface interface Vlan1000 description User VL...

AKRobert by Level 1
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I have NAT64 configured on a Cisco ASR1002 router using the prefix 2c0f:6400:0:1::/96 and an IPv4 pool ranging from 41.216.172.97 to 41.216.172.127. It's set up to translate DNS64-resolved IPv6 requests for IPv4-only services.Issue:NAT64 works initia...

An IPv6 host on a different network can ping6 interface VLAN9 and interface Loopback0.The command "area 18 range ABCD:EFAB:CDEF:A009::/64 not-advertise" is added to "ipv6 router ospf 101"1) The more specific IPv6 route ABCD:EFAB:CDEF:A009::/64 disapp...

tmikelson by Level 1
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Another question for the Pros for Lab IPv6 Routing in Chapter 24 (1/e) I have completed the entire Lab got 100% all pings working Except for PC4 pinging PC1 R4 can Ping PC1 but the tracert just stops dead at R4's Gi0/0 interface. There are no Access-...

Nic31 by Level 1
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My company that I work for currently does not use IPv6 in our organization.  We currently only use IPv4.  During our annual penetration test last month, the pentesters were able to reply to IPv6 DHCPv6 requests to successfully hijack DNS for workstat...

Hi,I have been banging my head against the wall with Nexus 92160YC-X for a while.We are running a EVPN-VXLAN based network with mostly Juniper gear and are looking to add one Nexus switch to provide L2 ports (so no L3 SVI:s or anything. Just bridge p...

vteronen by Level 1
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