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Routing problem with Cisco 2960X

Hello, I'm searching for help for a problem that I have with a Cisco 2960X. I have two networks (192.X.X.X and 172.X.X.X). By default, the Cisco have an address on the 192.X.X.X network and I would like to add a secondary IP address to communicate wi...

SylvainLT by • Level 1
  • 550 Views
  • 2 replies
  • 0 Helpful votes

Configuring DHCP Snooping

Hi All,   I want to enable DHCP snooping on my access layer switches. Various models, 3750, 3850, 9300. I think storing the database on flash may not be a good idea?   I have two sites with access switches connected via 1GB connection. SiteA has no s...

Resolved! Connect two hosts from different subnet

Hello,   I need to connect two host from different networks.    It looks like below. Network 1: 192.168.1.0/24 default gateway: 192.168.1.1 My host 192.168.1.100   Network 2: 172.16.1.0/24 default gateway 172.16.1.1  My host 172.16.1.80   I need to c...

_matthew by • Cisco Employee
  • 5079 Views
  • 5 replies
  • 0 Helpful votes

Inter VRF Multicast Routing on a 3560 Switch

Hello,       I have a setup with redundant 3560 switches. There are 3 VRFs ( VRF A, B, C ) and IP Multicast Routing (PIM Dense Mode) configured. The Multicast within a certain VRF is working fine. Now I have a requirement that I need to enable Multic...

Asif by • Level 1
  • 469 Views
  • 2 replies
  • 0 Helpful votes

Unable to install new IOS

Hello, I am trying to run a command archive download-sw /imageonly /allow-feature-upgrade /overwrite scp://<USER>:<PW>@<IP>/3750/c3750e-universalk9-tar.152-3.E1.tar  the command will work and it starts to download but after about 5-10 minutes I get ...

Resolved! Upgrade IOS 4500 - Supervisor v-10GE

Hello team! We need to upgrade the ios in the Cisco 4500, we have 2 V-10GE in eol haha. A bug is hitting our equipment (CSCsj47170), so we need to do an upgrade, the currently version is 12.2.25EWA10, so i was thinking about 12.2.31SG1, what do you t...

Resolved! SPAN ports problems

I read that SPAN ports are not accurate and that TAPs are better, this is because SPAN ports do not keep layer 1 and 2 information, as they drop undersized and oversized packets, and packets with CRC errors and usually remove VLAN tags, but I don't u...

Cisco 819HG-4G LTE router in the Philippines

Hi Cisco Community,   Anyone here have deployment of Cisco 819HG-4G LTE router in the Philippines? We are encountering difficulties in getting the default profile activated although the correct configuration is in place. Please see attached back up c...

Joy A by • Level 1
  • 380 Views
  • 0 replies
  • 0 Helpful votes

Resolved! Cannot edit control-plane policy

I have a Catalyst 3650 switch running 16.3 code, and I want to edit the system-cpp-policy that is attached to the control-plane by default   Because of a security advisory, I need to drop udp 18999 traffic on the switch.   So I created a class-map fo...

ACL (?) VLAN with isolated hosts

Hello,   i have the following scenario:   i have multiple CISCO Catalyst switches (2960-X). Switches are connected with trunks, we have multiple VLANs configured.   Additional switch (core) Layer3 is configured for routing between VLANs and security ...

Resolved! Cisco Catalyst 3750G StackWise Technology

Hi Guy's Hope you are all well. Please can I ask you for advice and any warnings you might have for me to be aware of.   I have 7 Cisco Catalyst 3750G switches configured using StackWise. We make use of Vlans, Spanning Tree and have Port-channels con...

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