IPv6

vPC to vPC connectivity issue

I am attempting to connect a vPC on a pair of Nexus C93180YC-EX to a vPC on a pair of Nexus 5058UP with little success. The ports are immediately suspended when I attempt to enable them. The logs do not display any definitive information regarding th...

Resolved! Issue 6to4 IPv6 Tunneling

Hey cisco support forum, I'm preparing for a test, but I have an issue. I have two cisco C3725 routers connected via ethernet, but they can't seem to ping each other IPv6 address. IPv4 works fine. I connected the networks with an 6to4 IPv6 tunnel. Th...

cisco network assistant

I'd like to know if IPv6 and SNMPv3 are natively supported by the Cisco Network Assistant.

Need the details about Data license in 1941 router

Hi Team, Recently we have purchased Cisco 1941 router for IPV6 routing and subnetting testing, this router having IP Base license default, So my question is, can i do the IPV6 routing with IPBase license else should i go(...

No IPv6 Commands Cisco 2821XM

I'm unable to configure anything IPv6 related on my Cisco 2821XM router. When I'm in config mode and enter a "?" I do not see anything relating to IPv6. I'm currently running the below firmware. Any help would be appreciated. Cisco IOS Software, 280...

IPv6 manual IID LLA modify GUA IID EUI-64

Dear Cisco Community, I’m facing a strange (?) behavior (IOS 15.2-4 version) with LLA / GUA IPv6 address configuration. In brief : a LLA (Interface ID EUI-64) then a GUA (EUI-64 Interface ID) are configured on an Interface. Then, if I configure a man...

SG200 receives ipv6 address but is not able to connect

Hi.. My network consists of a Cisco RV320 router followed by a SG200-26p switch. I am getting ipv6 address from Comcast to the router, thereafter I can see in the switch that an ipv6 address is being provided to the switch by the router, and thereaft...

DNS64 Solutions

I currently have a dual-stacked network behind a Cisco ASA 5512-X. We have both IPv4 and IPv6 internet connectivity. The goal is to be able to get rid of the IPv4 internal network altogether and only use IPv6 internally. In order to do this, we need ...

IPV6 migration using NAT64 and dual stack on ASR1001-x

Hello guys (and girls), I am planning to move a big network to IPV6 addressing. I have a server farm, many of them do not supporting IPV6.I am planning to use ASR1001-X for the NAT64 translation. The setup will is in the attached diagram. The migra...

Resolved! Trunking issue between Cisco Switches ( 3750 and 6509 )

HI Everyone Ports aren't coming up between 3750 and Cisco 6509 Switches: Cable used: UTP 5e cable Port Configuration on both ends are shown below: ------------------------------------------------------ 6509 Switch port config interface Gigab...

DHCPv6 no address leases

Hi all,The situation is the following: - Dualstack Windows Server 2012 (SRV01) with DHCP role configured in VLAN 10. - Dualstack Windows 10 (LAP01) configured in VLAN 20 - Cisco router (RT01) intervlan routing VLANS IPv4 and IPv6 SRV01 (VLAN 10): 10...

Catalyst E-series 4506

Hi Members of the team, I have Catalyst E-series 4506, it is correct install WS-X45-SUP7L-E= as supervisor? or I should use only WS-X45-SUP6-E= ? Thanks for your assistance L.K

Resolved! IPv6 translation approach NAT64

Hi, Please help me to understand if in a network scenario where AAAA records and A records in registered in public DNS . So in this scenario whether DNS64 along with NAT64 needs to used for IPv6 translation approach or enabling only NAT64 feature on ...

Problem GLBP IPv6 Cisco 3560X switch

I have a Cisco 3560X-24S-T with active ipservices license but I can't configure glbp IPv6 in interface vlan XX IOS is 3560E universalK9-15.0(2)SE8 please some can help me Tnks!!

Difference between Sh interface and sh run intface

HI, When I am checking sh run int gi0/0 duplex is auto, but when checked in sh int gi0/0 duplex is full. Please let me know what is the meaning. #sh run int Gi0/0Building configuration... Current configuration : 243 bytes!interface GigabitEthernet0/...