From: Kenneth Wygand (KWygand@customonline.com)
Date: Tue Sep 30 2003 - 10:35:17 GMT-3
Hello group,
I have two (2) 3550's with an ISL trunk between them on FastEthernet0/10
(both sides).
I have a practice lab question that states "If the trunk encapsulation
should fail, ensure that VLAN 568 is still forwarded across the link".
My thought was to set the trunk mode to DESIRABLE on both sides and
include a "switchport access vlan 568" command on the interface in the
case when the trunk does not establish. However, the answer key states
that the trunk is nailed down on both sides (switchport mode trunk) and
the native-vlan is set to 568 on both sides (switchport trunk native
vlan 568).
Which is right, or do both answers satisfy the requirements?
If these yield different results and a question like this is asked on
the lab exam, what question could we ask of the proctor to determine
which configuration is correct?
Thanks,
Kenneth E. Wygand
Systems Engineer, Project Services
CISSP #37102, CCNP, CCDP, MCP 2000, CNA 5.1, Network+, A+
Custom Computer Specialists, Inc.
70 Suffolk Court
Hauppauge, NY 11788
(631) 864-6699 x1755
"It's not just about ending up where you want to be, it's about making
the most of the trip there."
-Anonymous
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