Switching

Resolved! OSPF adjacency stuck in INIT State

Hello,I am having an issue with my fairly simple OSPF design.Basically, I have 3 routers (4500X) which I'm running OSPF on.They are all meshed together, but one adjacency behaves strangely : when I boot up the router, the adjacency is FULL ; after a ...

IP NAT

Hi there, Thanks for reading. I have a vlan which I need to make available to remote users. It's a small location with a switch behind a router. The router has a /24 vlan int defined which we're natting to the Internet Fa1. Here's (what I think ar...

Help with 2851 vlan routing and interface.

Here is my config for the network part. ip dhcp excluded-address 192.168.10.1 192.168.10.30ip dhcp excluded-address 192.168.11.1 192.168.11.30!ip dhcp pool VOICE network 192.168.10.0 255.255.255.0 default-router 192.168.10.1 dns-server 8.8.8.8 opti...

multi layer switch - cisco packet tracer

I am not able to ping any switch from router 3. How do i set up default-gateway for this switch ( not the default-network)

Resolved! GLC-T vs GLC-SX-MM Between Switches

Hello, When cabling between switches in an IDF, are there any gains when using GLC-SX-MM vs plain GLC-T's? This is when the switches are not stack compatible. Thanks.

Resolved! ICMP from Management Port

The switch is a WS-C3850-12S. From a fresh startup config, I configured the management port (g0/0) with an ip address of 192.168.1.101, the subnet is 255.255.255.0. My PC has an address of 192.168.1.100, subnet 255.255.255.0. When I ping the switc...

route between VLANs with different gateways

Hello, i created another vlan for pc's out in our plant that i'd like to have access to our internal network but not the internet. everything is configured correctly (vlan address, trunking) but i cannot ping vlan 3 from my pc unless my gateway is v...

Selective Q-in-Q in Nexus 93180yc-ex

Hello, We are trying to configure selective QinQ according to Nexus 9300 configuration guide in a nexus 93180yc-ex, however the following command is not supported: switch(config-if)# switchport vlan mapping <inner_tag> dot1q-tunnel <outer_tag> Why i...

VSS will not accept Virtual command

Hi I have a VSS where switch 01 failed. When I bought it back up (with all config intact) I converted it with 'switch convert mode virtual' and everything was OK but when I tried the 'switch accept mode virtual' on 01 I got the following error:- St...

Resolved! router died - temporary solution with layer 3 switch?

Hi We are going to be without a router for a week, I'm wondering how to route the traffic using my existing 3560G switch until the new router arrives. model = WS-C3560G-48TS SW version = 12.2 (35) SE5 SW image = C3650-IPBASE-M I have an interne...