How to configure Arista switches » History » Revision 6
Revision 5 (Nico Schottelius, 07/10/2019 05:28 PM) → Revision 6/15 (Nico Schottelius, 07/10/2019 06:04 PM)
h1. How to configure Arista switches
{{toc}}
h2. Saving your changes
If you don't enter write at the end, everything is lost after reboot.
<pre>
write
</pre>
h2. Entering conf mode
<pre>
enable
conf
</pre>
h2. Setting password
<pre>
username admin secret <passwordhere>
</pre>
h2. Setting name
<pre>
hostname <NAME>
</pre>
h2. Creating a VLAN
<pre>
vlan <ID-OF-VLAN>
name <NAME-OF-VLAN>
</pre>
h2. Putting a port into a untagged vlan
<pre>
interface EthernetXX
switchport access vlan YY
</pre>
h2. Creating a port channel (= LACP = bonding)
* go to the interface that you want to be in the port-channel
* configure it
<pre>
interface EthernetXX
channel-group XX mode active
</pre>
h2. Upgrading a switch
* copy the image from usb to flash
* change the boot config
* don't forget to write
* reload
<pre>
copy usb1:/EOS-4.14.4.swi flash:/EOS-4.14.4.swi
configure terminal
boot system flash:/EOS-4.14.4.swi
show boot-config
write
reload
</pre>
h2. Configuring MLAG
* Create a port channel for communication
* Configure the mlag over it
<pre>
mlag configuration
domain-id MLAGLOCALDOMAIN
local-interface VlanXX
peer-address 10.3.4.4
peer-link Port-ChannelYY
</pre>
h2. Configuring BGP
* XX = ip suffix
<pre>
router bgp 209898
router-id 0.0.0.XX
bgp default ipv6-unicast
maximum-paths 4
bgp listen range 2a0a:e5c0:1:8::/64 peer-group ungleich remote-as 209898
neighbor ungleich peer-group
neighbor ungleich maximum-routes 12000
</pre>