DHCP relay support for MPLS VPN


[DHCP](/dhcp) option 82 contains parameters that can be set by the DHCP server and delivered to the DHCP client.  [Option 82](/dhcp-options) contains [DHCP relay agent](/dhcp-relay-agent) information.

## Links

https://datatracker.ietf.org/doc/html/rfc3046
https://networklessons.com/switching/dhcp-snooping
https://networklessons.com/cisco/ccie-enterprise-infrastructure/cisco-ios-dhcp-relay-agent

DHCP option 82

Cisco SD-WAN controller troubleshooting

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Cisco SD-WAN export with python

Cisco SD-WAN rebranding

Cisco SD-WAN request upload

Cisco SD-WAN save command

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Cisco SD-WAN vEdge Troubleshooting

Cisco SD-WAN vManage tail log

Cisco SD-WAN verify connectivity in Service VPN

Cisco SD-WAN viptela overlay network bringup

Cisco Switch Port Configuration for IP Phone

Cisco Validated Designs

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Cisco's Export Compliance Policies

Cisco's various lines of network switches

Class-Map - match statements

Classification and Marking of softphone applications

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CoPP - Best practices and operation

Configuration Register

Control Plane Policing (CoPP)

Control Plane Protection

DHCP - Broadcast flag

DHCP - Cisco Client ID format

DHCP - Client ID

DHCP - Commonly used options for IP phones

DHCP - DHCPv6 and the default gateway

DHCP - How a host is identified by a remote DHCP server

DHCP - Message Types

DHCP - Options

DHCP - Static binding use cases

DHCP - Understanding the Magic Cookie

DHCP - Using the MAC as the client ID on a Cisco device

DHCP Auto Image Update support

DHCP DORA process

DHCP Request message sent as broadcast

DHCP Server Deployment Across Subnets and NAT Routers

DHCP Snooping on a multi-switch topology

DHCP client options on Cisco IOS

DHCP decline message

DHCP excluding address on a Cisco IOS DHCP server

DHCP multiple IP helper-addresses

DHCP multiple servers on the same subnet

DHCP offer message sent as broadcast

DHCP relay agent

DHCP renewal rebinding

DHCP snooping rate limiting best practice

DHCP trusted and untrusted ports

DHCP

DHCPv6 - Modes of Operation

DHCPv6 - determining the IPv6 prefix assigned to an interface

DHCPv6 lease times on a Cisco IOS device

DHCPv6 relay agent

DMVPN - Dual-Hub Single-Cloud with redundant spoke links config guidelines

DMVPN - IPsec encryption order of operations

DMVPN - NHRP purge request

DMVPN - NHRP session attributes

DMVPN - OSPF and multiple areas

DMVPN - Phase 2 BGP peerings

DMVPN - Phase 2 EIGRP neighbor adjacencies

DMVPN - Phase 2 OSPF neighbor adjacencies

DMVPN - Phase 2 and multicast traffic

DMVPN - Phase 2 and summarization

DMVPN - Using the GRE tunnel key

DMVPN - What is the best routing protocol to use

DMVPN - mappings on hub and spokes

DMVPN - multicast commands

DMVPN - nhrp map and nhs command syntax

DMVPN - spoke redundancy

DMVPN - using a default route

DMVPN Dual Cloud Path Selection Using IGP Metrics

DMVPN State of a tunnel

DMVPN dual hub dual cloud

DMVPN dual hub single cloud

DMVPN hierarchical topology

DMVPN redundancy options

DMVPN with more than two hubs

DMVPN

DNS - Authoritative Flag

DNS - Authoritative Server

DNS - Caching

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DNS - What is a delegation zone

DNS - stub zone

DNS - understanding zones

DNS cache windows PC

DSL - Asymmetric Digital Subscriber Line (ADSL)

DTP - Sending of Frames

DTP - best practice to disable

DTP - how to disable

DWDM and VXLAN Inter-DC Design Considerations

DHCP option 82

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