IPv6

cancel
Showing results for 
Search instead for 
Did you mean: 
cancel

Get 20% off switches when you combine Cisco solutions

 

Forum Posts

Hi everyoneHere's my question :A single Ethernet segment supports about 500 hosts max because after that there will be broadcast storms.Why then IPv6 is designed to support 2^64 hosts in one subnet or am I missing something?Thanks.- Andre

Hi there,we have a running IPv6 environment in our lab but there is one strange behavior I would like understand respectively solve if possible.In fact the connected clients do not show the configured IPv6 global unicast gateway address of their VLAN...

PrimergyQA by Level 1
  • 26387 Views
  • 9 replies
  • 0 Helpful votes

Hi Team,We are maintaining a small size Data Center for hosting and shared services for multiple customers. Currently we are running on IPv4 , we want to migrate into IPv6. Please let us know the best option and best technology to use for our infrast...

Hi,I've been following this discussion on a MPLS migration to IPv6.https://supportforums.cisco.com/thread/2181573I have the following customer requirements:- Dual stack IPv4/IPv6 across the entire network including the core.- Run 6VPE between the PE ...

Hi,I want to run IPv6 in our network. We have around 200K subscribers and their CPE doesn't support IPv6 mostly. Can we use NAT for this network? Which solution is the best? For CPEs which supports IPv6 I think we have to use dual stack, am I right?T...

According to the IOS command guide, no-onlink support was added in this release:12.2(32.08.01)REC154  The no-onlink keyword was added. The full command would be:ipv6 nd prefix ipv6-prefix/prefix-length valid-lifetime  preferred-lifetime [off-link| no...

Trying to capture IPv6 BGP hello traffic with monitor capture feature without success.With the monitor capture for IPv6 traffic active and running; If I traceroute (IPv6) from this same router I do see the IPv6 traceroute traffic but NEVER IPv6 BGP h...

fsebera by Level 4
  • 2737 Views
  • 2 replies
  • 0 Helpful votes

When I was configuring IPv6 ACL with "permit ipv6 any host ff05::1000" (muticast group), there was error message saying ""%Error: Group prefix must be less than 128, skipping FF05::1000/128". The ACL showed in the running-config as "permit ipv6 any h...

                   Can you mask random bits in the IPv6 address in an IPv6 ACL?  from the documentation it looked like only the /network boundary was allowed. 

mxelkin by Level 1
  • 2885 Views
  • 2 replies
  • 0 Helpful votes

I am having a difficult time determining why on a 2811 running IOS c2800nm-advsecurityk9-mz.150-1.M2.bin,  the router won't accept ipv6 commands.  The feature set from what I can discern includes ipv6 support. However, I have received mixed views.  D...

We have a vulnerability scanner that we use and it has picked up that our Voice GW has a "Cisco IPv6 Crafted Packet Vulnerability"I entered the commands "no ipv6 unicast-routing" and "no ipv6 cef" the next scan is in a weeks time, but would these hav...

Top Solution Authors

Review Cisco Networking for a $25 gift card