Switching

Resolved! Default gateway IP for one armed router, DNS, and other questions for SMB setup

Ok, I posted a similar topic just a couple of days ago and while I got some help, I'm not getting the actual detail I need in full.What I'm looking to do is hook up a router on a stick for a small business (with internet access so I know NAT will nee...

Resolved! Router to Router config can communicate one way but not the other.

I have two routers and have connected them to provide access to camera system from production network.RouterA - Production - 10.10.35.0/24 RouterB - Camera - 10.10.6.0/24Need to go from Production to Camera network connecting over port 8000. I can p...

Switchport Spanning Tree Loop Prevention - Cisco 2960

Hello gurus,We recently experienced a network outage when two PC lan ports were connected to one another. For eg, the network port gi1/0/2 and gi1/0/3 were directly connected to each other and this action brought the network down.On both switchports...

Catalyst 4900M - Interface Numbering

Hello there all,I was wondering if a interface numbering scheme is available for the 4900M. Configuration includes 1 x 8Port 10G and 1 x 20Port 1G modules. Would like to understandHow the slots are addressedInterface AddressingTwinGig interface add...

Stack Two 2960X-PS-L with SFP cable

Bonjour, J'aimerais savoir si il était possible de Stacker deux 2960X, via les ports SFP, entre eux ? Hello, I would like to know if it possible to stack two 2960X with SFP cable by using SFP port ?Sorry for English and thanks for Answer

What 2 indicates in err "%C4K_SUPERVISOR-2-SOFTERROR: memory inconsistency detected"

This is C-4506-E Switch with ONLY 1 ACTIVE SUP. wttsw1028#sh module 1Mod Ports Card Type Model ---+-----+--------------------------------------+------------------+----------- 1 6 Sup 6L-E 10GE (...

Layer 3 Port-channel between Cisco 6500 and Nexus 7k

Hi,Currently, I have Layer 3 routed links between a pair of Cisco 6513 switches and a pair of Nexus 7k switches (see diagram below). The Nexus and 6513 are running BGP between them, and iBGP among themselves (Nexus and Nexus, 6513 and 6513).Recently,...

high Rcv-Err in switch

I have this high Rcv-Err in some of the interfaces in 2960Switch. According to Cisco documentation it could be speed mismatch, but both ends were set to auto.MPSSvrRmSW2>sh int counters errorsPort Align-Err FCS-Err Xmit-Err Rcv-Err UnderSizeFa...

6880-X VSS Pair / How to get the Base Ethernet MAC Address

Hi,I have a running 6880-X VSS Pair. How do I get the Base Ethernet MAC Address of each 6880-X?Is there any CLI to get that?Thx!BR Konrad.

Resolved! Cisco Network Assistant (CNA) 2960X Support

Hi Folks,The 2960X datasheet indicates that it supports Cisco Network Assistant (CNA), but when I tried it with CNA 5.8.7 it was not compatible. The release notes for 5.8.7 did not include the 2960X as a supported device.CNA 5.8.7 Release Notes:http...

Resolved! List of all Cisco commands on IOS / IOS-XE / NX-OS

Hello everyone, How can i go about getting a list of every single command on my IOS / IOSXE / NXOS switches? I want to know what every single command does and is. how to implement it etc.... When i say command: i mean config command ....global, swi...

Resolved! Router default source interface for own communication

Hello,On a router (say R1) with multiple physical interfaces, subinterfaces and a Loopback interface, which is the (source) interface used by the router for router's own outgoing traffic (dns queries, pings, traceroute, ntp, etc.)?It seems that it is...

Native VLAN mismatch between 2960 and 3560 switch

Hello,I am facing a very unusual, never seen, problem in our office network between a 2960 and 3560 switch. Both switches are connected to each other over a dot1q trunk link. Both are configured with native vlan 999. I verified this with "sh int trun...

Resolved! Double NAT help needed

HelloI am trying the setup a Cisco 2801 router behind my Comcast router. I do not want to put the Comcast device in bridge mode, I want to use the wireless from it. I am not sure what I am doing wrong. This setup worked fine when I was using an ol...

Config sw2960

Dear everyone, please help me in this situation.I have sw2960 48 ports. now i have sw 3com 24ports connected with router.i want to add new sw2960 below sw3com with giga0/1 giga 0/2 ip address 175.18.5.253 255.255.255.0and default gate way 172.18.5....

Switching

Forum Posts

Resolved! Default gateway IP for one armed router, DNS, and other questions for SMB setup

Resolved! Router to Router config can communicate one way but not the other.

Switchport Spanning Tree Loop Prevention - Cisco 2960

Catalyst 4900M - Interface Numbering

Stack Two 2960X-PS-L with SFP cable

What 2 indicates in err "%C4K_SUPERVISOR-2-SOFTERROR: memory inconsistency detected"

Layer 3 Port-channel between Cisco 6500 and Nexus 7k

high Rcv-Err in switch

6880-X VSS Pair / How to get the Base Ethernet MAC Address

Resolved! Cisco Network Assistant (CNA) 2960X Support

Resolved! List of all Cisco commands on IOS / IOS-XE / NX-OS

Resolved! Router default source interface for own communication

Native VLAN mismatch between 2960 and 3560 switch

Resolved! Double NAT help needed

Config sw2960

Cisco + Splunk: It's a new day for your data.

Speed & Tech: Unveiling the Cisco-McLaren F1 Partnership

Congratulations to all the August-October 2023 winners!

A new chapter of the Spotlight Award begins!

Announcing Resources That Guide You to Success

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Stack switch replacement with different model switch.

IE-3400 switch l2nat causing connectivity issues

aaa authentication login default local on NEXUS 9000

Trying to drop certain logging messages with discriminator

High Memory Utilisation 9200L

SFP+ SFP-10G-T-X compatible with Cisco3850?

Questions about L2 VPN ping

Puzzling results when pasting in ACL config to switch