Network Management

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EEM script for two tunnels state

Hi all, i need to enchance my eem script which i already have. i will explain what i am doing now with this script and what enhancement i need to getour script is actually tracking the real ip of the head office router and pinging it. if the ping is ...

help with a network design

there is three networks a b c , where both network b and c share the same vlan 10 for servers. networks A reach network C through static routes. between network a and b there is  a L3 interfaces with the ip and .2 and between network b and...

baselzind by Frequent Contributor
  • 5 replies
  • 0 Helpful votes

Option 82 on Cisco Switch

 Hi! i configure a option 82 on a switch cisco 2960. A switch sending a packet with option 82A format circuit-id is default : vlan-mod-portA format remote-id is string A dhcp received a packet in HEX but message is incorrect when we translate it in t...

photo_2021-07-09_13-16-32.jpg wireshark opt82.png het2text.png
DIT1 by Beginner
  • 13 replies
  • 0 Helpful votes

%PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0000.bc64.7a1b on port GigabitEthernet0/15.

Hi There, I have a network for a plant - SCADA network, we use about 10 SW for this network and now the plant system was tripe in some time. we not sure what is the problem but when checking log in one SW we suspect, I found port 0/15 show log as bel...

SSH issue

This is after deleting the previously stored key from/home/myid/.ssh/known_hosts.debug1: sending SSH2_MSG_KEXDH_INITdebug1: expecting SSH2_MSG_KEXDH_REPLYdebug3: check_host_in_hostfile: filename /home/myid/.ssh/known_hostsdebug3: check_host_in_hostfi...

yjdabear by Collaborator
  • 8 replies
  • 0 Helpful votes

Resolved! How do I turn off ethanalyzer?

ethanalyzer local interface inbound-low display-filter ip.addr==IP_OF_SCP_SERVER write boothflash:inbound_low.pcapethanalyzer local interface inbound-hi display-filter ip.addr==IP_OF_SCP_SERVER write boothflash:inbound_hi.pcapHow do I turn it off?

mlenco by Beginner
  • 2 replies
  • 0 Helpful votes

Design Question

HI, Im hoping I can call upon the collective power of the community! Firstly, I apologise for how the question is posed, i hope i can make myself clear! I am completing a Disaster Recovery report / design for a module, specifically focused on Network...

Navy_Dave by Beginner
  • 0 replies
  • 5 Helpful votes