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Compliments.Please, I need direction for a network that has IPv4 & IPv6 together. On the ASA-firewall, IPv6 access-list permit statement configuration could not enter but, I was able to configure IPv6 addresses on the firewall interfaces with OSPFv3 ...

Hi - In DHCPv4, Cisco routers/switches have CLI command lines to set an Address range like "Low to High range".  For example: x.x.x.1 to x.x.x.99.I couldn't find the similar CLI command lines in DHCPv6, does Cisco support it?  If not, what are the op...

TCAM by Level 4
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  • 12 replies
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Hi all, I want to autmate some assessments and checking IPv6 compatibility for Routing, switching and wireless devices is something we need to automate. Do you know if there are existing API's ready to retunr this check? And what information should b...

ateixido by Visitor
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  • 1 replies
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Resolved! IPv6 Bogon ACL

I am configuring an IPv6 ACL for my transit link interface, where I run a BGP session with the ISP that provides me with the link and I am configuring the ACL this way:ipv6 access-list BOGON-IPv6deny ipv6 ::/128 anydeny ipv6 ::1/128 anydeny ipv6 ::ff...

I know that this will sound odd, but how do I turn off all IPv6 from running in a C9300 running IOS-XE 17.9.5 I've found many articles and STIG's that accomplish this via complicated ACL's but I would like to think there would be an easier way

joseph.duffy by Frequent Visitor
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  • 4 replies
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Hi all, I have configured a small test setup, with core routers and two routers towards a site, where the site routers are configured as router on a stick for all user VLANs. I am using Link-Local address for all routing protocol peering, and do only...

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I am doing a lab from 101 Labs book in preparation for ENCOR.The topology is the following:and the task requires to configure redistribution on routers R1 and R4, using "the most simple solution that negates the need to filter routes when redistribut...

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cosmingrosu by Frequent Visitor
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Hello all:I've just had a meraki go system installed, with several GP12 APs and I'm encountering issues with my 'smart home' devices. Since the installation of the new switch and APs, I've lost all ability to connect these devices, utilizing 802.15.4...

stapler40 by Community Member
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I have this IPv4 MARTIANS list in use for filtering IPv4 BGP routes from ISPs:prefix-set IPv4_MARTIANS0.0.0.0/8,10.0.0.0/8,127.0.0.0/8,169.254.0.0/16,172.16.0.0/12,192.0.2.0/24,192.168.0.0/16,240.0.0.0/4I am looking for the equivalent in IPv6, possib...

tmikelson by Level 1
  • 1379 Views
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Hi i need help, basically I configure DHCPv6 on my layer 3 switch. But it seems to have issue . I have attached my packet tracer below, Hope someone can help me troubleshoot the issue.

OneZ12345 by Visitor
  • 3053 Views
  • 8 replies
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Hello,I have an runtime message error. within a PHP script I try to read from an IPv6 address by using function file_get_contents but during runtime the following message occur,  Mary Kay InTouchFailed to open stream: Connection refusedWhen running t...

hi together,how does one completely disable all ipv6 functionality of a switch? we do not use ipv6, we do not want to use ipv6 at the moment. the switches flood the network with neighbor solicitation messages for 10% of the total traffic. i really ne...

jsblach by Level 1
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  • 14 replies
  • 0 Helpful votes