I am configuring arista 720XP switch by connecting a cisco VOIP phone to it and an endpoint connected behind to phone.
Arista 720XP ———–voip phone———endpoint
Port configuration :
Please let me know what else i am missing in config ? Also in arista cannot access port configured with both data & voice vlans ? Always should it be trunk , if data & voice to be configured on it?
I just published an article on this called “Configuring the Campus Voice VLAN”. Please take a quick look and let me know if you find it helpful or not.
But quickly, is your IP Phone VLAN-aware or unaware (i.e. sending tagged or untagged packets)? Also, is LLDP enabled?
After reading the article and letting me know the above, we can take a deeper look – we can run a tcpdump on the interface to see what is happening.
# bash tcpdump -nevvi et2 ether dst host 08:80:c2:00:00:0e
This will show us the information being sent in the LLDP messages. You can also check “show neighbor classification [mac|interface|
Here’s the article/TOI link my colleague Sarah has explained in-detail:
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