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A network administrator has configured TACACS on a network device using the key Cisc0467380030 tor authentication purposes. However, users are unable to authenticate. TACACS server is reachable, but authentication is tailing. Which configuration step must the administrator complete?
Suggested Answer: C
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For TACACS authentication to work, the key configured on the network device must match the key configured on the TACACS server. If users are unable to authenticate despite the TACACS server being reachable, it is likely due to a mismatch in the keys. Ensuring that both the network device and the TACACS server have the same key configured is crucial for successful authentication.
27 comments · newest first
BU
Bulah
11 months ago
Just double-checking, but isn't the key case-sensitive?
JE
Jestine
11 months ago
I think the ACL might be causing problems too, but C seems more likely.
NI
Nikita
11 months ago
Wait, are we sure the clock sync is the issue?
DA
Dalene
11 months ago
Totally agree, option C is the way to go!
CE
Celia
12 months ago
The TACACS key needs to match on both ends.
ZO
Zoila
12 months ago
I wonder if the access control list could be a factor. I vaguely recall it being mentioned in a study session, but I'm not confident.
SC
Scarlet
1 year ago
I feel like I've encountered a similar scenario where the key mismatch caused authentication failures. So, option C seems likely.
VI
Vilma
1 year ago
I'm not entirely sure, but I think the system clock synchronization could be important too. I've seen that come up in practice questions.
ZA
Zana
1 year ago
I remember something about the TACACS key needing to match on both the server and the device. That might be the issue here.
DO
Dottie
1 year ago
Hmm, I'm a bit unsure about this one. The clock sync and OS version options seem less likely, but I'm not 100% sure. I think I'll go with option C, but I'll keep the other choices in mind just in case.
DI
Dick
1 year ago
Alright, this seems straightforward. The key on the TACACS server needs to match the one on the network device, so I'm going with option C. Easy peasy!
QU
Quiana
1 year ago
Okay, let's see here. The server is reachable, but authentication is failing, so it's probably not a network connectivity problem. I'm leaning towards option C, but I'll double-check the other options just to be sure.
EL
Elli
1 year ago
Hmm, this looks like a TACACS configuration issue. I think the key on the server needs to match the one on the network device, so I'll go with option C.
BE
Beatriz
2 years ago
But what about implementing synchronized system clock on TACACS server? Could that also be a solution?
MI
Michel
2 years ago
D is a good idea, but not the solution here. The administrator needs to make sure the TACACS key is correct on both ends.
JU
Julio
2 years ago
I think the administrator just forgot to check the key. It's like forgetting your password - happens to the best of us!
GE
Gearldine
2 years ago
Karl: It's like forgetting your password, happens to the best of us!
BE
Beckie
2 years ago
User 3: Yeah, that's probably the issue. Make sure they match.
KA
Karl
2 years ago
User 2: No, I didn't. I'll make sure to do that.
CL
Clorinda
2 years ago
User 1: Did you check if the TACACS key matches on both the server and the network device?
TO
Tommy
2 years ago
The answer is clearly C. The key on the TACACS server must match the one configured on the network device. If they don't match, authentication will fail.
BI
Billy
2 years ago
Exactly. That should solve the authentication issue.
JO
Josephine
2 years ago
So, the administrator should configure the TACACS key on the server to match with the network device.
RO
Rolande
2 years ago
Yes, that's correct. If they don't match, authentication will fail.
IS
Isabelle
2 years ago
I think the key on the TACACS server needs to match the one on the network device.
RA
Rashad
2 years ago
I agree with Virgilio. If the key doesn't match, authentication will fail.
VI
Virgilio
2 years ago
I think the administrator should configure the TACACS key on the server to match with the network device.