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CDP & LLDP Questions 4

November 25th, 2018 in SWITCH 300-115 Go to comments

Question 1

Explanation

VLAN 1 is always used for CDP, VTP, PAgP traffic (except DTP uses native VLAN) even if VLAN 1 is not the native VLAN. If VLAN 1 is not the native VLAN then CDP, VTP, PAgP traffic will be tagged on the trunk.

Question 2

Question 3


Explanation

The command “no lldp transmit” disallows sending LLDP packets on the interface.

Reference: https://www.cisco.com/c/en/us/td/docs/wireless/access_point/atnms-ap-82/configuration/guide/cg-82-book/cg-chap-LLDP.pdf

Note: The “lldp receive” command enables the reception of LLDP packets on an interface.

Reference: https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/system_management/configuration/guide/sm_nx_os_cg/sm_lldp.html

Question 4

Question 5

Question 6

Explanation

The command “lldp timer rate” is used to set the sending frequency of LLDP updates in seconds. The range is 5 to 65534 seconds; the default is 30 seconds.

Reference: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst2960/software/release/12-2_58_se/configuration/guide/2960scg/swlldp.pdf

Question 7

Explanation

LLDP and CDP can run simultaneously. LDDP uses multicast address 01-80-C2-00-00-0E and the default time between protocol frames is 30 seconds

Question 8

Question 9

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