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Re: [lwip-users] Help debugging IPv6 SLAAC
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From: |
thomasfogh |
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Subject: |
Re: [lwip-users] Help debugging IPv6 SLAAC |
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Date: |
Fri, 20 Apr 2018 05:23:08 -0700 (MST) |
Thank you, both!
LWIP_IPV6_MLD is enabled and I got a bit further be setting the
NETIF_FLAG_MLD flag.
How do I join the allnodes group?
I get a neighbor solicitation back, but nothing happens in the lwip stack. I
think it might be a MAC filtering issue.
WireShare:
No. Time Source Destination
Protocol Length Info
23 12:14:18,321062 :: ff02::1:ff01:23cc
ICMPv6 78 Neighbor Solicitation for fe80::250:e1ff:fe01:23cc
24 12:14:18,382198 :: ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
25 12:14:18,444702 :: ff02::2
ICMPv6 62 Router Solicitation
26 12:14:18,699935 :: ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
29 12:14:20,572353 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
30 12:14:20,827820 fe80::250:e1ff:fe01:23cc ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
31 12:14:21,755578 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
34 12:14:22,837517 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
36 12:14:22,930639 BelkinIn_94:eb:5b LLDP_Multicast
LLDP 63 TTL = 120 System Name = switch94eb53
47 12:14:35,871475 fe80::5da5:5e55:be7e:da7b ff02::1:ff94:eb53
ICMPv6 86 Neighbor Solicitation for fe80::b675:eff:fe94:eb53 from
00:e0:4c:68:00:c1
48 12:14:35,878237 fe80::b675:eff:fe94:eb53
fe80::5da5:5e55:be7e:da7b ICMPv6 86 Neighbor Advertisement
fe80::b675:eff:fe94:eb53 (sol, ovr) is at b4:75:0e:94:eb:53
54 12:14:40,554262 fe80::5da5:5e55:be7e:da7b ff02::1:ff01:23cc
ICMPv6 86 Neighbor Solicitation for fe80::250:e1ff:fe01:23cc from
00:e0:4c:68:00:c1
55 12:14:40,870633 fe80::b675:eff:fe94:eb53
fe80::5da5:5e55:be7e:da7b ICMPv6 86 Neighbor Solicitation for
fe80::5da5:5e55:be7e:da7b from b4:75:0e:94:eb:53
56 12:14:40,871084 fe80::5da5:5e55:be7e:da7b
fe80::b675:eff:fe94:eb53 ICMPv6 86 Neighbor Advertisement
fe80::5da5:5e55:be7e:da7b (sol, ovr) is at 00:e0:4c:68:00:c1
67 12:14:52,930225 BelkinIn_94:eb:5b LLDP_Multicast
LLDP 63 TTL = 120 System Name = switch94eb53
WireShark details:
No. Time Source Destination
Protocol Length Info
23 12:14:18,321062 :: ff02::1:ff01:23cc
ICMPv6 78 Neighbor Solicitation for fe80::250:e1ff:fe01:23cc
Frame 23: 78 bytes on wire (624 bits), 78 bytes captured (624 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst:
IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Destination: IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: ::, Dst: ff02::1:ff01:23cc
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
24 12:14:18,382198 :: ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
Frame 24: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst:
IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Destination: IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: ::, Dst: ff02::1:ff01:23cc
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
25 12:14:18,444702 :: ff02::2
ICMPv6 62 Router Solicitation
Frame 25: 62 bytes on wire (496 bits), 62 bytes captured (496 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst: IPv6mcast_02
(33:33:00:00:00:02)
Destination: IPv6mcast_02 (33:33:00:00:00:02)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: ::, Dst: ff02::2
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
26 12:14:18,699935 :: ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
Frame 26: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst:
IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Destination: IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: ::, Dst: ff02::1:ff01:23cc
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
29 12:14:20,572353 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
Frame 29: 70 bytes on wire (560 bits), 70 bytes captured (560 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst: IPv6mcast_02
(33:33:00:00:00:02)
Destination: IPv6mcast_02 (33:33:00:00:00:02)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::250:e1ff:fe01:23cc, Dst: ff02::2
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
30 12:14:20,827820 fe80::250:e1ff:fe01:23cc ff02::1:ff01:23cc
ICMPv6 86 Multicast Listener Report
Frame 30: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst:
IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Destination: IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::250:e1ff:fe01:23cc, Dst:
ff02::1:ff01:23cc
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
31 12:14:21,755578 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
Frame 31: 70 bytes on wire (560 bits), 70 bytes captured (560 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst: IPv6mcast_02
(33:33:00:00:00:02)
Destination: IPv6mcast_02 (33:33:00:00:00:02)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::250:e1ff:fe01:23cc, Dst: ff02::2
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
34 12:14:22,837517 fe80::250:e1ff:fe01:23cc ff02::2
ICMPv6 70 Router Solicitation from 00:50:e1:01:23:cc
Frame 34: 70 bytes on wire (560 bits), 70 bytes captured (560 bits) on
interface 0
Ethernet II, Src: NsTechEl_01:23:cc (00:50:e1:01:23:cc), Dst: IPv6mcast_02
(33:33:00:00:00:02)
Destination: IPv6mcast_02 (33:33:00:00:00:02)
Source: NsTechEl_01:23:cc (00:50:e1:01:23:cc)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::250:e1ff:fe01:23cc, Dst: ff02::2
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
36 12:14:22,930639 BelkinIn_94:eb:5b LLDP_Multicast LLDP
63 TTL = 120 System Name = switch94eb53
Frame 36: 63 bytes on wire (504 bits), 63 bytes captured (504 bits) on
interface 0
Ethernet II, Src: BelkinIn_94:eb:5b (b4:75:0e:94:eb:5b), Dst: LLDP_Multicast
(01:80:c2:00:00:0e)
Destination: LLDP_Multicast (01:80:c2:00:00:0e)
Source: BelkinIn_94:eb:5b (b4:75:0e:94:eb:5b)
Type: 802.1 Link Layer Discovery Protocol (LLDP) (0x88cc)
Link Layer Discovery Protocol
No. Time Source Destination
Protocol Length Info
47 12:14:35,871475 fe80::5da5:5e55:be7e:da7b ff02::1:ff94:eb53
ICMPv6 86 Neighbor Solicitation for fe80::b675:eff:fe94:eb53 from
00:e0:4c:68:00:c1
Frame 47: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: RealtekS_68:00:c1 (00:e0:4c:68:00:c1), Dst:
IPv6mcast_ff:94:eb:53 (33:33:ff:94:eb:53)
Destination: IPv6mcast_ff:94:eb:53 (33:33:ff:94:eb:53)
Source: RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::5da5:5e55:be7e:da7b, Dst:
ff02::1:ff94:eb53
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
48 12:14:35,878237 fe80::b675:eff:fe94:eb53
fe80::5da5:5e55:be7e:da7b ICMPv6 86 Neighbor Advertisement
fe80::b675:eff:fe94:eb53 (sol, ovr) is at b4:75:0e:94:eb:53
Frame 48: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: BelkinIn_94:eb:53 (b4:75:0e:94:eb:53), Dst:
RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Destination: RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Source: BelkinIn_94:eb:53 (b4:75:0e:94:eb:53)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::b675:eff:fe94:eb53, Dst:
fe80::5da5:5e55:be7e:da7b
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
54 12:14:40,554262 fe80::5da5:5e55:be7e:da7b ff02::1:ff01:23cc
ICMPv6 86 Neighbor Solicitation for fe80::250:e1ff:fe01:23cc from
00:e0:4c:68:00:c1
Frame 54: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: RealtekS_68:00:c1 (00:e0:4c:68:00:c1), Dst:
IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Destination: IPv6mcast_ff:01:23:cc (33:33:ff:01:23:cc)
Source: RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::5da5:5e55:be7e:da7b, Dst:
ff02::1:ff01:23cc
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
55 12:14:40,870633 fe80::b675:eff:fe94:eb53
fe80::5da5:5e55:be7e:da7b ICMPv6 86 Neighbor Solicitation for
fe80::5da5:5e55:be7e:da7b from b4:75:0e:94:eb:53
Frame 55: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: BelkinIn_94:eb:53 (b4:75:0e:94:eb:53), Dst:
RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Destination: RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Source: BelkinIn_94:eb:53 (b4:75:0e:94:eb:53)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::b675:eff:fe94:eb53, Dst:
fe80::5da5:5e55:be7e:da7b
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
56 12:14:40,871084 fe80::5da5:5e55:be7e:da7b
fe80::b675:eff:fe94:eb53 ICMPv6 86 Neighbor Advertisement
fe80::5da5:5e55:be7e:da7b (sol, ovr) is at 00:e0:4c:68:00:c1
Frame 56: 86 bytes on wire (688 bits), 86 bytes captured (688 bits) on
interface 0
Ethernet II, Src: RealtekS_68:00:c1 (00:e0:4c:68:00:c1), Dst:
BelkinIn_94:eb:53 (b4:75:0e:94:eb:53)
Destination: BelkinIn_94:eb:53 (b4:75:0e:94:eb:53)
Source: RealtekS_68:00:c1 (00:e0:4c:68:00:c1)
Type: IPv6 (0x86dd)
Internet Protocol Version 6, Src: fe80::5da5:5e55:be7e:da7b, Dst:
fe80::b675:eff:fe94:eb53
Internet Control Message Protocol v6
No. Time Source Destination
Protocol Length Info
67 12:14:52,930225 BelkinIn_94:eb:5b LLDP_Multicast LLDP
63 TTL = 120 System Name = switch94eb53
Frame 67: 63 bytes on wire (504 bits), 63 bytes captured (504 bits) on
interface 0
Ethernet II, Src: BelkinIn_94:eb:5b (b4:75:0e:94:eb:5b), Dst: LLDP_Multicast
(01:80:c2:00:00:0e)
Destination: LLDP_Multicast (01:80:c2:00:00:0e)
Source: BelkinIn_94:eb:5b (b4:75:0e:94:eb:5b)
Type: 802.1 Link Layer Discovery Protocol (LLDP) (0x88cc)
Link Layer Discovery Protocol
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