Test Information

Title	`Part B: Search List Option`
CommandLine	./v6LC_2_2_24_B.seq -pkt ./v6LC_2_2_24_B.def -log 158.html -ti `Part B: Search List Option`
TestVersion	V6LC_5_0_9
ToolVersion	REL_3_3_5
Start	2024/12/23 12:31:50
Tn	/usr/local/v6eval//etc//tn.def
Nu	/usr/local/v6eval//etc//nut.def
Pkt	./v6LC_2_2_24_B.def
System	manual
TargetName	Ubuntu_24.04.1
HostName	Tahi-Tool
Type	router

Test Sequence Execution Log

12:31:50	Start
12:31:51	Start Capturing Packets (Link0)
	Test Procedure
12:31:51	vRemote(racontrol.rmt) ``/usr/local/v6eval//bin/manual//racontrol.rmt -t manual -u root -p cnlabs123 -d cuad0 -o 1 mode=start dnssl_string=test.example.com link0=ens192'' racontrol> lio_start racontrol> Start to send RA using following configuration. racontrol> Advertising Interface: ens192 racontrol> AdvDNSSLString: test.example.com racontrol> racontrol> other configuration should be the value specified in RFC 4861. racontrol> racontrol> Press Enter key for continue. lio_start racontrol>
12:32:06	vRecv(Link0,ra_local ra_sll_local ra_mtu_local ra_mtu_sll_local) timeout:32 cntLimit:0 seektime:0 recv unexpect packet at 12:32:01 recv unexpect packet at 12:32:09 recv unexpect packet at 12:32:21 Recv RA w/ SLL w/ MTU w/ dnssl option: NUT (link-local) -> all-nodes multicast address
	PASS Common Test Cleanup
12:32:32	vRemote(racontrol.rmt) ``/usr/local/v6eval//bin/manual//racontrol.rmt -t manual -u root -p cnlabs123 -d cuad0 -o 1 mode=stop '' racontrol> lio_start racontrol> Stop to send RA. racontrol> racontrol> Press Enter key for continue. lio_start racontrol>
12:32:34	vRecv(Link0,) timeout:52 cntLimit:0 seektime:0 recv a packet at 12:33:04 vRecv() return status=1
12:33:26	vRemote(racontrol.rmt) ``/usr/local/v6eval//bin/manual//racontrol.rmt -t manual -u root -p cnlabs123 -d cuad0 -o 1 mode=start dnssl_ltime=0 dnssl_string=test.example.com link0=ens192'' racontrol> lio_start racontrol> Start to send RA using following configuration. racontrol> Advertising Interface: ens192 racontrol> AdvDNSSLString: test.example.com racontrol> AdvDNSSLLifetime: 0 racontrol> racontrol> other configuration should be the value specified in RFC 4861. racontrol> racontrol> Press Enter key for continue. lio_start racontrol>
12:33:33	vRemote(racontrol.rmt) ``/usr/local/v6eval//bin/manual//racontrol.rmt -t manual -u root -p cnlabs123 -d cuad0 -o 1 mode=stop '' racontrol> lio_start racontrol> Stop to send RA. racontrol> racontrol> Press Enter key for continue. lio_start racontrol>
12:33:34	vRecv(Link0,) timeout:52 cntLimit:0 seektime:0 recv a packet at 12:34:08 recv a packet at 12:34:20 vRecv() return status=1
12:34:26	Stop Capturing Packets (Link0)
12:34:26	End

Packet Reverse Log

Recv at 12:32:01

Frame_Ether                     (length:346)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = ff:ff:ff:ff:ff:ff
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 2048
| Packet_IPv4                     (length:332)
| | Hdr_IPv4                        (length:20)
| | | Version                          = 4
| | | IHL                              = 5
| | | TypeOfService                    = 192
| | | TotalLength                      = 332
| | | Identifier                       = 0
| | | Reserved                         = 0
| | | DF                               = 0
| | | MF                               = 0
| | | FragmentOffset                   = 0
| | | TTL                              = 64
| | | Protocol                         = 17
| | | HeaderChecksum                   = 30946 calc(30946)
| | | SourceAddress                    = 0.0.0.0
| | | DestinationAddress               = 255.255.255.255
| | Upp_UDP                         (length:312)
| | | Hdr_UDP                         (length:8)
| | | | SourcePort                       = 68
| | | | DestinationPort                  = 67
| | | | Length                           = 312
| | | | Checksum                         = 18183 calc(18183)
| | | Payload                         (length:304)
| | | | data                             = 
| | | |   01010600 d13a91ca  5e890000 00000000  00000000 00000000  00000000 000c298c
| | | |   14680000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 63825363  3501013d 13ff2d1a  a1330002 0000ab11
| | | |   fc626c51 9feef2a4  370c0103 060c0f1a  212a7277 78793902  05c05000 0c11636e
| | | |   6c616273 2d726566  64757469 707636ff
===ra_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:ff:ff:ff:ff:ff:ff = 33:33:00:00:00:01
ng compare _HETHER_nut2allnodes.Type received:2048 = 34525
ng meta Frame_Ether.Packet_IPv6 != Frame_Ether.Packet_IPv4
===ra_sll_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:ff:ff:ff:ff:ff:ff = 33:33:00:00:00:01
ng compare _HETHER_nut2allnodes.Type received:2048 = 34525
ng meta Frame_Ether.Packet_IPv6 != Frame_Ether.Packet_IPv4
===ra_mtu_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:ff:ff:ff:ff:ff:ff = 33:33:00:00:00:01
ng compare _HETHER_nut2allnodes.Type received:2048 = 34525
ng meta Frame_Ether.Packet_IPv6 != Frame_Ether.Packet_IPv4
===ra_mtu_sll_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:ff:ff:ff:ff:ff:ff = 33:33:00:00:00:01
ng compare _HETHER_nut2allnodes.Type received:2048 = 34525
ng meta Frame_Ether.Packet_IPv6 != Frame_Ether.Packet_IPv4

Recv at 12:32:09

Frame_Ether                     (length:174)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = 33:33:00:00:00:01
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 34525
| Packet_IPv6                     (length:160)
| | Hdr_IPv6                        (length:40)
| | | Version                          = 6
| | | TrafficClass                     = 0
| | | FlowLabel                        = 844311
| | | PayloadLength                    = 120
| | | NextHeader                       = 58
| | | HopLimit                         = 255
| | | SourceAddress                    = fe80::20c:29ff:fe8c:1468
| | | DestinationAddress               = ff02::1
| | ICMPv6_RA                       (length:120)
| | | Type                             = 134
| | | Code                             = 0
| | | Checksum                         = 51488 calc(51488)
| | | CurHopLimit                      = 64
| | | MFlag                            = 0
| | | OFlag                            = 0
| | | HFlag                            = 0
| | | Preference                       = 0
| | | Reserved                         = 0
| | | LifeTime                         = 1800
| | | ReachableTime                    = 0
| | | RetransTimer                     = 0
| | | Opt_ICMPv6_Prefix               (length:32)
| | | | Type                             = 3
| | | | Length                           = 4
| | | | PrefixLength                     = 64
| | | | LFlag                            = 1
| | | | AFlag                            = 1
| | | | RFlag                            = 0
| | | | Reserved1                        = 0
| | | | ValidLifetime                    = 2592000
| | | | PreferredLifetime                = 604800
| | | | Reserved2                        = 0
| | | | Prefix                           = 3ffe:501:ffff:100::
| | | Opt_ICMPv6_RDNSS                (length:24)
| | | | Type                             = 25
| | | | Length                           = 3
| | | | Reserved                         = 0
| | | | Lifetime                         = 1800
| | | | Address                          = fe80::200:ff:fe00:100
| | | Opt_ICMPv6_DNSSL                (length:32)
| | | | Type                             = 31
| | | | Length                           = 4
| | | | Reserved                         = 0
| | | | Lifetime                         = 1800
| | | | SearchString                     = test.example.com.
| | | | [Needless]                      (length:6)
| | | | | data                             = 00000000 0000
| | | Opt_ICMPv6_MTU                  (length:8)
| | | | Type                             = 5
| | | | Length                           = 1
| | | | Reserved                         = 0
| | | | MTU                              = 1500
| | | Opt_ICMPv6_SLL                  (length:8)
| | | | Type                             = 1
| | | | Length                           = 1
| | | | LinkLayerAddress                 = 00:0c:29:8c:14:68
===ra_local=================================
ng function at Opt_ICMPv6_RDNSS not match with comb(opt_prefix_link0_default,opt_dnssl)
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_sll_local=================================
ng function at Opt_ICMPv6_RDNSS not match with comb(_SLLOPT_nut,opt_prefix_link0_default,opt_dnssl)
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_mtu_local=================================
ng function at Opt_ICMPv6_RDNSS not match with comb(opt_prefix_link0_default,opt_mtu_1500,opt_dnssl)
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_mtu_sll_local=================================
ng function at Opt_ICMPv6_RDNSS not match with comb(_SLLOPT_nut,opt_prefix_link0_default,opt_mtu_1500,opt_dnssl)
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA

Recv at 12:32:21

Frame_Ether                     (length:163)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = 33:33:00:01:00:02
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 34525
| Packet_IPv6                     (length:149)
| | Hdr_IPv6                        (length:40)
| | | Version                          = 6
| | | TrafficClass                     = 0
| | | FlowLabel                        = 962858
| | | PayloadLength                    = 109
| | | NextHeader                       = 17
| | | HopLimit                         = 1
| | | SourceAddress                    = fe80::20c:29ff:fe8c:1468
| | | DestinationAddress               = ff02::1:2
| | Upp_UDP                         (length:109)
| | | Hdr_UDP                         (length:8)
| | | | SourcePort                       = 546
| | | | DestinationPort                  = 547
| | | | Length                           = 109
| | | | Checksum                         = 65497 calc(65497)
| | | Udp_DHCPv6_Solicit              (length:101)
| | | | Type                             = 1
| | | | Identifier                       = 4533992
| | | | Opt_DHCPv6_RapidCommit          (length:4)
| | | | | Code                             = 14
| | | | | Length                           = 0
| | | | Opt_DHCPv6_IA_NA                (length:16)
| | | | | Code                             = 3
| | | | | Length                           = 12
| | | | | Identifier                       = 756719923
| | | | | Time1                            = 0
| | | | | Time2                            = 0
| | | | Opt_DHCPv6_IA_PD                (length:16)
| | | | | Code                             = 25
| | | | | Length                           = 12
| | | | | Identifier                       = 756719923
| | | | | Time1                            = 0
| | | | | Time2                            = 0
| | | | Opt_DHCPv6_ANY                  (length:23)
| | | | | Code                             = 39
| | | | | Length                           = 19
| | | | | data                             = 
| | | | |   0111636e 6c616273  2d726566 64757469  707636
| | | | Opt_DHCPv6_OptionRequest        (length:14)
| | | | | Code                             = 6
| | | | | Length                           = 10
| | | | | OptionCode                       = 23
| | | | | OptionCode                       = 31
| | | | | OptionCode                       = 56
| | | | | OptionCode                       = 82
| | | | | OptionCode                       = 103
| | | | Opt_DHCPv6_CID                  (length:18)
| | | | | Code                             = 1
| | | | | Length                           = 14
| | | | | DHCPv6_DUID_EN                  (length:14)
| | | | | | Type                             = 2
| | | | | | EnterpriseNumber                 = 43793
| | | | | | Identifier                       = fc626c51 9feef2a4
| | | | Opt_DHCPv6_ElapsedTime          (length:6)
| | | | | Code                             = 8
| | | | | Length                           = 2
| | | | | Time                             = 65535
===ra_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:33:33:00:01:00:02 = 33:33:00:00:00:01
ng compare _HDR_IPV6_ra_local.NextHeader received:17 = 58
ng compare _HDR_IPV6_ra_local.HopLimit received:1 = 255
ng compare _HDR_IPV6_ra_local.DestinationAddress received:ff02::1:2 = ff02::1
ng meta Packet_IPv6.ICMPv6_RA != Packet_IPv6.Upp_UDP
===ra_sll_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:33:33:00:01:00:02 = 33:33:00:00:00:01
ng compare _HDR_IPV6_ra_sll_local.NextHeader received:17 = 58
ng compare _HDR_IPV6_ra_sll_local.HopLimit received:1 = 255
ng compare _HDR_IPV6_ra_sll_local.DestinationAddress received:ff02::1:2 = ff02::1
ng meta Packet_IPv6.ICMPv6_RA != Packet_IPv6.Upp_UDP
===ra_mtu_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:33:33:00:01:00:02 = 33:33:00:00:00:01
ng compare _HDR_IPV6_ra_mtu_local.NextHeader received:17 = 58
ng compare _HDR_IPV6_ra_mtu_local.HopLimit received:1 = 255
ng compare _HDR_IPV6_ra_mtu_local.DestinationAddress received:ff02::1:2 = ff02::1
ng meta Packet_IPv6.ICMPv6_RA != Packet_IPv6.Upp_UDP
===ra_mtu_sll_local=================================
ng compare _HETHER_nut2allnodes.DestinationAddress received:33:33:00:01:00:02 = 33:33:00:00:00:01
ng compare _HDR_IPV6_ra_mtu_sll_local.NextHeader received:17 = 58
ng compare _HDR_IPV6_ra_mtu_sll_local.HopLimit received:1 = 255
ng compare _HDR_IPV6_ra_mtu_sll_local.DestinationAddress received:ff02::1:2 = ff02::1
ng meta Packet_IPv6.ICMPv6_RA != Packet_IPv6.Upp_UDP

Recv at 12:32:32

Frame_Ether                     (length:150)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = 33:33:00:00:00:01
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 34525
| Packet_IPv6                     (length:136)
| | Hdr_IPv6                        (length:40)
| | | Version                          = 6
| | | TrafficClass                     = 0
| | | FlowLabel                        = 844311
| | | PayloadLength                    = 96
| | | NextHeader                       = 58
| | | HopLimit                         = 255
| | | SourceAddress                    = fe80::20c:29ff:fe8c:1468
| | | DestinationAddress               = ff02::1
| | ICMPv6_RA                       (length:96)
| | | Type                             = 134
| | | Code                             = 0
| | | Checksum                         = 59844 calc(59844)
| | | CurHopLimit                      = 64
| | | MFlag                            = 0
| | | OFlag                            = 0
| | | HFlag                            = 0
| | | Preference                       = 0
| | | Reserved                         = 0
| | | LifeTime                         = 1800
| | | ReachableTime                    = 0
| | | RetransTimer                     = 0
| | | Opt_ICMPv6_Prefix               (length:32)
| | | | Type                             = 3
| | | | Length                           = 4
| | | | PrefixLength                     = 64
| | | | LFlag                            = 1
| | | | AFlag                            = 1
| | | | RFlag                            = 0
| | | | Reserved1                        = 0
| | | | ValidLifetime                    = 2592000
| | | | PreferredLifetime                = 604800
| | | | Reserved2                        = 0
| | | | Prefix                           = 3ffe:501:ffff:100::
| | | Opt_ICMPv6_DNSSL                (length:32)
| | | | Type                             = 31
| | | | Length                           = 4
| | | | Reserved                         = 0
| | | | Lifetime                         = 1800
| | | | SearchString                     = test.example.com.
| | | | [Needless]                      (length:6)
| | | | | data                             = 00000000 0000
| | | Opt_ICMPv6_MTU                  (length:8)
| | | | Type                             = 5
| | | | Length                           = 1
| | | | Reserved                         = 0
| | | | MTU                              = 1500
| | | Opt_ICMPv6_SLL                  (length:8)
| | | | Type                             = 1
| | | | Length                           = 1
| | | | LinkLayerAddress                 = 00:0c:29:8c:14:68
===ra_local=================================
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_sll_local=================================
ng function at Opt_ICMPv6_MTU not match with comb(_SLLOPT_nut,opt_prefix_link0_default,opt_dnssl)
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_mtu_local=================================
ng count Packet_IPv6.ICMPv6_RA != Packet_IPv6.ICMPv6_RA
===ra_mtu_sll_local=================================

Recv at 12:33:04

Frame_Ether                     (length:346)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = ff:ff:ff:ff:ff:ff
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 2048
| Packet_IPv4                     (length:332)
| | Hdr_IPv4                        (length:20)
| | | Version                          = 4
| | | IHL                              = 5
| | | TypeOfService                    = 192
| | | TotalLength                      = 332
| | | Identifier                       = 0
| | | Reserved                         = 0
| | | DF                               = 0
| | | MF                               = 0
| | | FragmentOffset                   = 0
| | | TTL                              = 64
| | | Protocol                         = 17
| | | HeaderChecksum                   = 30946 calc(30946)
| | | SourceAddress                    = 0.0.0.0
| | | DestinationAddress               = 255.255.255.255
| | Upp_UDP                         (length:312)
| | | Hdr_UDP                         (length:8)
| | | | SourcePort                       = 68
| | | | DestinationPort                  = 67
| | | | Length                           = 312
| | | | Checksum                         = 18120 calc(18120)
| | | Payload                         (length:304)
| | | | data                             = 
| | | |   01010600 d13a91ca  5ec80000 00000000  00000000 00000000  00000000 000c298c
| | | |   14680000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 63825363  3501013d 13ff2d1a  a1330002 0000ab11
| | | |   fc626c51 9feef2a4  370c0103 060c0f1a  212a7277 78793902  05c05000 0c11636e
| | | |   6c616273 2d726566  64757469 707636ff

Recv at 12:34:08

Frame_Ether                     (length:346)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = ff:ff:ff:ff:ff:ff
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 2048
| Packet_IPv4                     (length:332)
| | Hdr_IPv4                        (length:20)
| | | Version                          = 4
| | | IHL                              = 5
| | | TypeOfService                    = 192
| | | TotalLength                      = 332
| | | Identifier                       = 0
| | | Reserved                         = 0
| | | DF                               = 0
| | | MF                               = 0
| | | FragmentOffset                   = 0
| | | TTL                              = 64
| | | Protocol                         = 17
| | | HeaderChecksum                   = 30946 calc(30946)
| | | SourceAddress                    = 0.0.0.0
| | | DestinationAddress               = 255.255.255.255
| | Upp_UDP                         (length:312)
| | | Hdr_UDP                         (length:8)
| | | | SourcePort                       = 68
| | | | DestinationPort                  = 67
| | | | Length                           = 312
| | | | Checksum                         = 18056 calc(18056)
| | | Payload                         (length:304)
| | | | data                             = 
| | | |   01010600 d13a91ca  5f080000 00000000  00000000 00000000  00000000 000c298c
| | | |   14680000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 00000000  00000000 00000000  00000000 00000000
| | | |   00000000 00000000  00000000 63825363  3501013d 13ff2d1a  a1330002 0000ab11
| | | |   fc626c51 9feef2a4  370c0103 060c0f1a  212a7277 78793902  05c05000 0c11636e
| | | |   6c616273 2d726566  64757469 707636ff

Recv at 12:34:20

Frame_Ether                     (length:163)
| Hdr_Ether                       (length:14)
| | DestinationAddress               = 33:33:00:01:00:02
| | SourceAddress                    = 00:0c:29:8c:14:68
| | Type                             = 34525
| Packet_IPv6                     (length:149)
| | Hdr_IPv6                        (length:40)
| | | Version                          = 6
| | | TrafficClass                     = 0
| | | FlowLabel                        = 962858
| | | PayloadLength                    = 109
| | | NextHeader                       = 17
| | | HopLimit                         = 1
| | | SourceAddress                    = fe80::20c:29ff:fe8c:1468
| | | DestinationAddress               = ff02::1:2
| | Upp_UDP                         (length:109)
| | | Hdr_UDP                         (length:8)
| | | | SourcePort                       = 546
| | | | DestinationPort                  = 547
| | | | Length                           = 109
| | | | Checksum                         = 65497 calc(65497)
| | | Udp_DHCPv6_Solicit              (length:101)
| | | | Type                             = 1
| | | | Identifier                       = 4533992
| | | | Opt_DHCPv6_RapidCommit          (length:4)
| | | | | Code                             = 14
| | | | | Length                           = 0
| | | | Opt_DHCPv6_IA_NA                (length:16)
| | | | | Code                             = 3
| | | | | Length                           = 12
| | | | | Identifier                       = 756719923
| | | | | Time1                            = 0
| | | | | Time2                            = 0
| | | | Opt_DHCPv6_IA_PD                (length:16)
| | | | | Code                             = 25
| | | | | Length                           = 12
| | | | | Identifier                       = 756719923
| | | | | Time1                            = 0
| | | | | Time2                            = 0
| | | | Opt_DHCPv6_ANY                  (length:23)
| | | | | Code                             = 39
| | | | | Length                           = 19
| | | | | data                             = 
| | | | |   0111636e 6c616273  2d726566 64757469  707636
| | | | Opt_DHCPv6_OptionRequest        (length:14)
| | | | | Code                             = 6
| | | | | Length                           = 10
| | | | | OptionCode                       = 23
| | | | | OptionCode                       = 31
| | | | | OptionCode                       = 56
| | | | | OptionCode                       = 82
| | | | | OptionCode                       = 103
| | | | Opt_DHCPv6_CID                  (length:18)
| | | | | Code                             = 1
| | | | | Length                           = 14
| | | | | DHCPv6_DUID_EN                  (length:14)
| | | | | | Type                             = 2
| | | | | | EnterpriseNumber                 = 43793
| | | | | | Identifier                       = fc626c51 9feef2a4
| | | | Opt_DHCPv6_ElapsedTime          (length:6)
| | | | | Code                             = 8
| | | | | Length                           = 2
| | | | | Time                             = 65535