TL;DR: After migrating from ASR9Ks to NCS-57B1s (IOS-XR 7.10.2), four IPv6 PNIs to the same provider flap across four different devices. ND stays REACH, but IPv6 echo and BGP TCP/179 stall. Clearing the IPv6 neighbor cache brings it back for ~4–5 min...
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I have a Cisco FPR3100 firewall configured in ASA mode. Outside interface IP is 202.100.100.1/28 and 2607:f8b0:4006:809::2003/122. Inside interface IP is 10.0.10.3/26. Server connected to internal interface IP is 10.0.10.4. Currently Server is commun...
Deployed Mobility Express version 8.10.196 on 3 1815w APs, the router is c1161-8w, PPPOE is enable with SLAAC. All intranet devices get their IPV6 address.But I notice that all the APs do not have IPV6 address (despite all the Chinese characters due ...
Hello everyone,I'm currently taking a course on OpenClassrooms:https://openclassrooms.com/fr/courses/7192261-simulez-le-schema-de-votre-reseau-avec-cisco-packet-tracer/7444299-realisez-le-routage-inter-vlanI've followed the course right up to the st...
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...
Resolved! IPv6 dhcpv6 not getting ip
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...
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/...
I'm not familiar with the term "PVNF configuration"—this doesn't appear to align with standard Cisco terminology (e.g., VNF, P-VLAN, etc.). Can anyone clarify what "PVNF" refers to in this context? Is it an internal acronym or shorthand for something...
NXOS: version 7.0(3)I6(1)cisco Nexus9000 93180YC-EX chassisSo I have only found the "passive-interface default" command as shown below.router ospfv3 XXXrouter-id XXX.XXX.XXX.XXXlog-adjacency-changesaddress-family ipv6 unicastarea XXX.XXX.XXX.XXX rang...
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...
Looking for someone to run through my project to make sure everything is proper and provide feedback. Im taking ITT-16 online looking for a different insight.
Hallo,for all the teams,please alert all networking team because other user come in join just modified for damage system this component.
There is a good chance I'm just doing something wrong. However, after spending a couple of hours trying to troubleshoot, I'm a little perplexed as to why things are not working how I expect them to and thought I might try reaching out to the Pros.The...
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-...
