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... the eos image on your ZTP server by confirming that its MD5 checksum matches the MD5 checksum that can be found on the eos download page of the Arista website. On a UNIX server, the md5sum command calculates ...

...  TAP Aggregation QoS Handling on TAP Ports Before eos 4.20.5F, QoS behavior was not enforced for TAP aggregation ports, meaning that QoS behavior for packets passing through the device was not ...

... do not know the current settings, restore the factory-default settings as described in Restoring the Factory Default eos Image and Startup Configuration. The no boot console and default boot console commands ...

initial Configuration and Recovery This chapter describes initial configuration and recovery tasks. Subsequent chapters provide details about features introduced in this chapter. This chapter contains ...

... eos version. This chapter discusses enabling the SNMP agent on an Arista switch and controlling notification transmissions from the agent. Information on using SNMP management systems is available in ...

EVPN Overview Ethernet VPN (EVPN) is a standards-based BGP control plane to advertise MAC addresses, MAC and IP bindings and IP Prefixes. This document focuses on EVPN and its operation with a VXLAN data ...

...  Note: On the same area or interface, eos allows security configuration with either AH or ESP but not both. We can have one area or interface configured with AH and another with ESP. OSPFv3 Authentication ...

... of routes will result in data loss. This can be prevented by configuring graceful restart on the device. When IS-IS is used as the interior gateway protocol (IGP), the following eos features require nonstop ...

...  Configuring BGP in a VRF IPv6 VRF support in eos allows application of a BGP configuration to a single VRF instance, overriding global commands. To apply VRF-specific BGP configuration, use the ...

Multicast Architecture IP multicast is the transmission of data packets to multiple hosts through a common IP address. Arista switches support multicast transmissions through IGMP, IGMP Snooping, ...

IGMP and IGMP Snooping IGMP Snooping IGMP Host Proxy Description Supported Features IGMP Protocols Configuring IGMP Configuring IGMP Snooping IGMP Host Proxy IGMP and IGMP Snooping Commands ...

Protocol Independent Multicast Protocol Independent Multicast (PIM) distributes multicast data using routes gathered by other protocols. Arista switches support two types of PIM: PIM Sparse Mode (PIM-SM) ...

VARP Virtual-ARP (VARP) allows multiple switches to simultaneously route packets from a common IP address in an active-active router configuration. Each switch is configured with the same set of virtual ...

Routing Information Protocol (RIP) This chapter contains the following sections. RIP Conceptual Overview Running RIP on the switch Configuring RIP on Multiple VRFs RIP Commands RIP Conceptual ...

OSPFv2 Open Shortest Path First (OSPF) is a link-state routing protocol that operates within a single autonomous system. OSPF version 2 is defined by RFC 2328. This section contains the following ...

Spanning Tree Protocol Spanning Tree Protocols prevent bridging loops in Layer 2 Ethernet networks. Arista switches support Rapid Spanning Tree, Multiple Spanning Tree, and Rapid-Per VLAN Spanning Tree ...

... Across VRF The eos DHCP relay agent supports forwarding of DHCP requests to DHCP servers located in a different VRF to the DHCP client interface VRF. In order to enable VRF support for the DHCP relay ...

... is a layer 2 feature that is configured on LAN switches. The Arista eos switch supports Option-37 insertion that allows relay agents to provide remote-ID information in DHCP request packets. DHCP servers ...

... mode as shown below. (config)# management ssh (config-mgmt-ssh)# ip access-group [vrf ] in (config-mgmt-ssh)# ipv6 access-group [vrf ] in In eos 4.19.0, all VRFs are required to use the same ...

...  MACsec encryption is a eos licensed feature. A valid MACsec license must be configured on a switch. MACsec licenses are tied to a switch serial number and the licensee. Every switch running MACsec ...