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B-26

User Guide for Cisco Network Registrar, 7.1

OL-16002-01

Part 6

Appendix B DHCP Options

Option Tables

Содержание StoreSafe Pro Series

Страница 1: ...14 This appendix also contains the standard Microsoft client options and several tables displaying the options sorted by categories Option Descriptions The following sections describe the DHCP option...

Страница 2: ...omain Name System STD 13 RFC 1035 name servers available to the client Servers should be in order of preference Log Server 7 4 octet minimum multiples of 4 List of MIT LCS UDP log servers available to...

Страница 3: ...nt should configure its IP layer for packet forwarding Values 0 disable 1 enable Non Local SourceRouting Enable Disable 20 1 octet Specifies whether the client should configure its IP layer to allow f...

Страница 4: ...t Perform Mask Discovery 29 1 octet Specifies whether or not the client should perform subnet mask discovery using ICMP Values 0 disable 1 enable Mask Supplier 30 1 octet Specifies whether or not the...

Страница 5: ...sending TCP segments Value minimum 1 TCP Keepalive Interval 38 4 octets Interval in seconds that the client TCP should wait before sending a keepalive message on a TCP connection The time is specifie...

Страница 6: ...of information in this option then the vendor should encode the option using encapsulated vendor specific options as described here The encapsulated vendor specific options field should be encoded as...

Страница 7: ...racter string consisting of characters from the NVT ASCII character set Network Information Service NIS Servers 65 4 octet minimum multiples of 4 List of IP addresses indicating NIS servers available...

Страница 8: ...ed IP Address 50 4 octets Used in a client request DHCPDISCOVER to allow the client to request that a particular IP address be assigned IP Address Lease Time 51 4 octets Used in a client request DHCPD...

Страница 9: ...ECLINE message to indicate why the client declined the offered parameters The message consists of n octets of NVT ASCII text which the client can display on an available output device Maximum DHCP Mes...

Страница 10: ...dentifier other than a hardware address for example a fully qualified domain name For correct identification of clients each client identifier must be unique among the client identifiers used on the s...

Страница 11: ...n request message to inform the server about options the client wants from the server A server can include this option in a Reconfigure message to indicate which option updates the client should reque...

Страница 12: ...identity association and its associated parameters and prefixes Parameters are the unique ID time the client contacts the addresses in the IA to extend the lifetime and time the client contacts any a...

Страница 13: ...type link address or 0 0 and options to provide data needed for the query client data AT_BLOB 45 Encapsulates the data for a single client on a single link in a LEASEQUERY REPLY message clt time AT_TI...

Страница 14: ...urrences 2n means multiple occurrences in multiples of 2 Comments also indicate whether the option includes suboptions and if so how many and whether the option is nonmodifiable NM Tip For the syntax...

Страница 15: ...ut MTU Timeout AT_TIME 25 path mtu plateau tables MTU Plateau AT_RANGESHORT 2n 26 interface mtu MTU Interface AT_RANGESHORT 27 all subnets local MTU Subnet AT_BOOL 28 broadcast address Broadcast Addre...

Страница 16: ...AT_INT8 0 56 dhcp message DHCP Message AT_NSTRING NM 57 dhcp max message size DHCP Maximum Message Size AT_SHORT NM 58 dhcp renewal time Renewing Time AT_TIME NM 59 dhcp rebinding time Rebinding Time...

Страница 17: ...Servers AT_IPADDR 1 86 nds tree NDS Tree Name AT_NSTRING 87 nds context NDS Context AT_NSTRING 88 bcms servers d BCMS Controller Domain RFC 4280 AT_DNSNAME 1 89 bcms servers a BCMS Address AT_IPADDR...

Страница 18: ...leLabs Client Configuration AT_BLOB Suboptions 10 see cablelabs client configuration page C 3 123 geo conf GeoConf Option AT_BLOB 124 v i vendor class Vendor Identifying Vendor Class AT_VENDOR_CLASS N...

Страница 19: ...eLabs Client Configuration Interface cisco autoconfigure 251 Cisco Autoconfiguration DHCPv4 cisco client last transaction time 163 Cisco Client Last Transaction Time DHCPv4 cisco client requested host...

Страница 20: ...HCPv6 domain name 15 Domain Name Basic MS DHCP Client domain name servers 6 Domain Name Server Basic MS DHCP Client domain search 119 Domain Search DHCPv4 elapsed time 8 Elapsed Time DHCPv6 end 255 En...

Страница 21: ...ile IP Home Agent Servers name servers 5 Name Server BOOTP name service search 117 Name Service Search DHCPv4 nds context 87 NDS Context NetWare Client nds servers 85 NDS Servers NetWare Client nds tr...

Страница 22: ...y Filter Host IP pop3 servers 70 POP3 Server Servers preference 7 Preference DHCPv6 rapid commit 80 Rapid Commit DHCPv4 rapid commit 14 Rapid Commit DHCPv6 reconfigure accept 20 Reconfigure Accept DHC...

Страница 23: ...Garbage Interface tcp keepalive interval 38 TCP Keepalive Interval Interface tftp server 66 TFTP Server Name Servers time offset 2 Time Offset BOOTP time servers 4 Time Server BOOTP trailer encapsula...

Страница 24: ...ress MAC address AT_MESSAGE Unsigned 8 bit message not usable for custom options AT_NOLEN No length used for PAD and END only AT_NSTRING Sequence of ASCII characters string AT_OVERLOAD Overload bytes...

Страница 25: ...For the DHCPv6 user class option 15 the repeating pattern is len 2 byte data of single type AT_VENDOR_CLASS Vendor class option enterprise ID followed by opaque data if DHCPv4 enterprise ID is follow...

Страница 26: ...B 26 User Guide for Cisco Network Registrar 7 1 OL 16002 01 Part 6 Appendices Glossary and Index Appendix B DHCP Options Option Tables...