Hello team, if i decided to secure IPv6 environment with traffic filters and blocks all link-local addresses. What will happen to OSPFv3?
Forum Posts
Digging through v6 RFC 4681, is there any specific reason/design choice that ND, specifically NS, only uses the source link-layer address option over just the MAC in the ethernet header? Best I can find is potential load balancing mechanism and a nic...
i can't implement the following command in Cisco 1941, 4321 routers : router(config-if)#ipv6 nd prefix default no-autoconfig?i need help
Resolved! Ipn6 ND between routers
1.IPv6 ND between vIOS1 & vIOS2.2. I understand the whole ND of IPv6 but there is NA in seq 116 which is for LLA and it generation is causing me trouble.3. Post MLD and DAD for LLA,seq 116, unsolicited NA went out from vIOS -1 with target address...
I am attempting to configure stateful NAT64 to allow IPv6 only hosts to connect back to IPv4 only hosts. No requirements to allow IPv4 to connect to IPv6 only. Only v6 -> v4 is required. The configuration I'm about to show works if I'm not using t...
Hello,I have some trouble when I try to configure snmp on ASA 5506-X version 9.8.1 in full IPv6 networkI try this : ASA(config)# snmp-server host inside ? configure mode commands/options:Hostname or A.B.C.D IP address of SNMP notification host an...
I am having trouble setting up ipv6 with HE Tunnels on Cisco IOS. I have the tunnel setup on the device. I can ping ipv6 from it.Lets say HE gives me 2001:470:1f19:43::/64 for my routed 64. I have a switch I need to ipv6 to my router. and several vla...
Hi,I'm using a a ASR9901 running 64 bit 6.6.3.For a IPv6 RTBH service (using 6PE) I'd like to change the BGP NH from ::ffff:z.x.c.v to ::ffff:192.168.1.1 (where z.x.c.v is the mpls loopback and ::ffff.192.168.1.1 have a static route pointing to null ...
Hello,I was doing https://www.configrouter.com/ccna-rse-lab-configuring-stateless-stateful-dhcpv6-11188/ this lab, after i finished it I changed prefix from 2001:db8:acad:a::/64 to 2001:db8:acad:b::/64 and after i did this I got 2 ip addresses on my ...
Hi Guys,I am just new to IPv6 and tried to test in the packet tracer. I configured the IPv6 pool, interface configuration on the router and then at the client end getting the dns server & domain name only. IPv6 address not coming up. Can you check th...
with Salman AsadullahWelcome to the Cisco Networking Professionals Ask the Expert conversation. This is an opportunity to get an update on how to enable your network to run IPv6 with Cisco expert Salman Asadullah. Salman is a Distinguished Engineer ...
I am building a network for my uni course and have run into some issues with applying the ipv6 address' to ports.running config for L3 swCurrent configuration : 5202 bytes!version 12.2service timestamps log datetime msecservice timestamps debug datet...
Hello to whom reading, I have configured ipv4 addresses successfully in this topology (shown in the attachment) Though I am struggling fairly with configuring IPV6 and getting them to ping from one device to another based on the topology given. I ha...
Dear Communitywe are ISP and we want to start assigning our customer IPv6, as i know assigning /64 for customer is not recommended and minimum recommended network length is /56 and even /48, i need your opinion and what is technical issue we could fa...
Resolved! IPV6 Command is not active or works
I cant configure IPv6 in the router. The command IPv6 is not available! See the version screen shot Cisco IOS Software, 1841 Software (C1841-IPBASE-M), Version 15.1(1)T, RELEASE SOFTWARE (fc1)Technical Support: http://www.cisco.com/techsupportCopyrig...
