I am experimenting with IPV6 and have three devices in my test network. They are setup as follows:
UC520 using BVI: FD:0:0:1::1/64
Windows Server1: FD:0:0:1::5/64
Windows Server2: FD:0:0:1::6/64
I am using the following commands on the Cisco
ipv6 address FD:0:0:1::1/64
The Windows servers can ping each other, the Cisco can ping itself. However I can't get pings from either Windows server to the Cisco. I also tried pinging the Cisco using link-local IP but that doesn't work either. Seems like I am missing something very basic, or so I hope.
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to FD:0:0:1::1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 0/0/4 ms
Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to FD:0:0:1::5, timeout is 2 seconds: ..... Success rate is 0 percent (0/5)
UC520#sho ipv6 nei
UC520#sho ipv6 int bvi100 BVI100 is up, line protocol is up IPv6 is enabled, link-local address is FE80::21C:58FF:FEE4:52A0 No Virtual link-local address(es): Description: Test LAN Global unicast address(es): FD:0:0:1::1, subnet is FD:0:0:1::/64 Joined group address(es): FF02::1 FF02::2 FF02::1:FF00:1 FF02::1:FFE4:52A0 MTU is 1500 bytes ICMP error messages limited to one every 100 milliseconds ICMP redirects are enabled ICMP unreachables are sent ND DAD is not supported ND reachable time is 30000 milliseconds (using 30000) Hosts use stateless autoconfig for addresses. UC520#
My IOS is on the bug list. I am running 15.0(1)XA2.
So I will certainly try to get it upgraded. However is what I am having truly a routing issue? I am not trying to route per se, my device only has one int with IPV6. I am merely trying to communicate on the local LAN.
Thanks to all who gave helpful suggestions. In the end the problem was simple. Basically I am an idiot. I was enabling IPV6 on BVI100 which is my voice VLAN but the servers are in the data LAN!! So I moved the IPV6 to BVI1 and everybody can talk to everybody now.
I upgraded to 15.1(2)T4 before I realized my stupidity so I don't know if I was being affected by the bug or not. Also would like to thank stmillet for pointing out that I was using 00fd instead of what I meant to use which is fd00 so I did fix that also.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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