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You have attempted to configure DHCP snooping, but it is not working as expected. Based on the output below, what do you need to configure?
Suggested Answer: D
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DHCP snooping requires to be enabled globally before it will function correctly. If it is not enabled globally, even if enabled on VLAN interfaces, DHCP snooping will not work.
Enabling authorized DHCP servers (A) or trusted interfaces (B) is necessary but only after global enabling.
Enabling DHCP snooping on VLAN (C) is not sufficient without global enablement.
Therefore, enabling DHCP snooping globally is the first step to activate the feature.
ArubaOS-CX DHCP Snooping Configuration Guide
HPE Aruba Networking Security Best Practices
Aruba DHCP Snooping Troubleshooting Documentation
12 comments · newest first
DE
Deeanna
2 months ago
A trusted interface might be the key here.
AN
Annett
2 months ago
Agreed, but what about VLAN 100?
KA
Katina
2 months ago
I think we need to enable dhcpv4-snooping globally.
GO
Goldie
2 months ago
Not sure if enabling globally will fix it... could be something else.
IR
Iraida
2 months ago
Yeah, definitely A and D are must-dos!
CH
Charlesetta
2 months ago
Surprised this isn't working yet! Did you check VLAN settings?
HO
Hobert
3 months ago
I think configuring a trusted interface is also crucial.
ME
Mertie
3 months ago
You definitely need to enable dhcpv4-snooping globally.
GR
Gregoria
3 months ago
I’m a bit confused about the trusted interface part. I think we might need to check that as well, but I can't remember the exact details.
TY
Ty
3 months ago
I recall that enabling DHCP snooping on the specific VLAN is also crucial. Maybe that's what we missed?
GA
Gail
3 months ago
I'm not entirely sure, but I feel like configuring an authorized DHCP server could be important too. It seems like something we practiced.
GL
Glenn
3 months ago
I think we might need to enable DHCP snooping globally first. I remember that being a common step in similar questions.