Written by James McDonald

August 27, 2023

TFTP Server for Windows

https://www.solarwinds.com/free-tools/free-tftp-server

Backup config to TFTP server

copy running-config tftp://10.19.20.30

Set an interface to defaults

!-- in config mode
config t
default interface gi1/0/18

Output

Interface GigabitEthernet1/0/1 set to default configuration

Run show commands while in config mode

(config)#do show running-config interface gi1/0/13

Output

Building configuration...

Current configuration : 90 bytes
!
interface GigabitEthernet1/0/13
 switchport voice vlan 100
 spanning-tree portfast
end

Filter by a value in output

Check connected interfaces

show ip interface brief  | incl up
Vlan1                  192.168.77.215   YES TFTP   up                    up
Vlan91                 172.16.99.240   YES TFTP   up                    up
GigabitEthernet1/0/3   unassigned      YES unset  up                    up
GigabitEthernet1/0/11  unassigned      YES unset  up                    up
GigabitEthernet1/0/12  unassigned      YES unset  up                    up
GigabitEthernet1/0/14  unassigned      YES unset  up                    up
GigabitEthernet1/0/15  unassigned      YES unset  up                    up
GigabitEthernet1/0/16  unassigned      YES unset  up                    up
GigabitEthernet1/0/18  unassigned      YES unset  up                    up
GigabitEthernet1/0/19  unassigned      YES unset  up                    up
GigabitEthernet1/0/27  unassigned      YES unset  up                    up

Display interface details

show interfaces status

Output

Port      Name               Status       Vlan       Duplex  Speed Type
Gi1/0/1                      notconnect   1            auto   auto 10/100/1000BaseTX
Gi1/0/2                      notconnect   1            auto   auto 10/100/1000BaseTX
Gi1/0/3                      connected    1          a-full  a-100 10/100/1000BaseTX
Gi1/0/4                      notconnect   1            auto   auto 10/100/1000BaseTX
Gi1/0/5      TouchPC         notconnect   25           auto   auto 10/100/1000BaseTX
!-- snippage...

See device serial number and model along with installed SFP and other inventory information

show inventory

Output

NAME: "1", DESCR: "WS-C2960X-24PS-L"
PID: WS-C2960X-24PS-L  , VID: V05  , SN: FCW2144B3TC

NAME: "GigabitEthernet1/0/27", DESCR: "1000BaseSX SFP"
PID:                   , VID:      , SN: H632759

See power being used PoE

show power inline

Output

Module   Available     Used     Remaining
          (Watts)     (Watts)    (Watts)
------   ---------   --------   ---------
1           370.0       20.4       349.6
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi1/0/1   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/2   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/3   auto   on         15.4    Ieee PD             3     30.0
Gi1/0/4   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/5   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/6   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/7   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/8   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/9   auto   off        0.0     n/a                 n/a   30.0
Gi1/0/10  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/11  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/12  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/13  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/14  auto   on         5.0     Polycom VVX 300     2     30.0
Gi1/0/15  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/16  auto   off        0.0     n/a                 n/a   30.0
Interface Admin  Oper       Power   Device              Class Max
                            (Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Gi1/0/17  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/18  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/19  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/20  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/21  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/22  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/23  auto   off        0.0     n/a                 n/a   30.0
Gi1/0/24  auto   off        0.0     n/a                 n/a   30.0

Show MAC addresses

show mac address-table 

Show MAC addresses by VLAN

show mac address-tabe vlan 20

Show MAC address by interface

show mac address-table interface Gi1/0/14
          Mac Address Table
-------------------------------------------

Vlan    Mac Address       Type        Ports
----    -----------       --------    -----
   1    0044.f2c1.e704    DYNAMIC     Gi1/0/14
Total Mac Addresses for this criterion: 1

Show IP to MAC mappings

show ip arp

Output

Protocol  Address          Age (min)  Hardware Addr   Type   Interface
Internet  172.16.66.1            78   0040.0c07.ac01  ARPA   Vlan99
Internet  172.16.66.10            1   0040.569e.be61  ARPA   Vlan99
Internet  172.16.66.240           -   cc4a.53aa.3941  ARPA   Vlan99
Internet  192.168.77.9             0   0040.56a8.d6a0  ARPA   Vlan1
Internet  192.168.77.12            0   0040.56a8.81ed  ARPA   Vlan1
Internet  192.168.77.19            0   0040.56a8.ddc4  ARPA   Vlan1
Internet  192.168.77.21           12   0040.569e.67bd  ARPA   Vlan1
Internet  192.168.77.113         188   3c47.86c0.2692  ARPA   Vlan1
Internet  192.168.77.215           -   cc4a.53aa.3840  ARPA   Vlan1
Internet  192.168.77.254          14   004b.8f7d.1540  ARPA   Vlan1

Show all interfaces IP addresses and up / down state

show ip interface brief

Output

Interface              IP-Address      OK? Method Status                Protocol
Vlan1                  192.168.77.215   YES TFTP   up                    up
Vlan99                 172.16.66.240   YES TFTP   up                    up
FastEthernet0          unassigned      YES TFTP   administratively down down
GigabitEthernet1/0/1   unassigned      YES unset  down                  down
GigabitEthernet1/0/2   unassigned      YES unset  down                  down
GigabitEthernet1/0/3   unassigned      YES unset  up                    up
GigabitEthernet1/0/4   unassigned      YES unset  down                  down
GigabitEthernet1/0/5   unassigned      YES unset  down                  down
GigabitEthernet1/0/6   unassigned      YES unset  down                  down
GigabitEthernet1/0/7   unassigned      YES unset  down                  down
GigabitEthernet1/0/8   unassigned      YES unset  down                  down
GigabitEthernet1/0/9   unassigned      YES unset  down                  down
GigabitEthernet1/0/10  unassigned      YES unset  down                  down
GigabitEthernet1/0/11  unassigned      YES unset  up                    up
GigabitEthernet1/0/12  unassigned      YES unset  up                    up
GigabitEthernet1/0/13  unassigned      YES unset  down                  down
GigabitEthernet1/0/14  unassigned      YES unset  up                    up
GigabitEthernet1/0/15  unassigned      YES unset  up                    up
GigabitEthernet1/0/16  unassigned      YES unset  up                    up
GigabitEthernet1/0/17  unassigned      YES unset  down                  down
GigabitEthernet1/0/18  unassigned      YES unset  up                    up
GigabitEthernet1/0/19  unassigned      YES unset  up                    up
GigabitEthernet1/0/20  unassigned      YES unset  down                  down
GigabitEthernet1/0/21  unassigned      YES unset  down                  down
GigabitEthernet1/0/22  unassigned      YES unset  down                  down
GigabitEthernet1/0/23  unassigned      YES unset  down                  down
GigabitEthernet1/0/24  unassigned      YES unset  down                  down
GigabitEthernet1/0/25  unassigned      YES unset  down                  down
GigabitEthernet1/0/26  unassigned      YES unset  down                  down
GigabitEthernet1/0/27  unassigned      YES unset  up                    up
GigabitEthernet1/0/28  unassigned      YES unset  down                  down

0 Comments

Submit a Comment

Your email address will not be published. Required fields are marked *

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

The reCAPTCHA verification period has expired. Please reload the page.

You May Also Like…

Robocopy exclude Directories

Just trying to copy everything except a couple of directories from a drive to my NAS This is the secret incantation of...