Switching

We don't run IPv6 in our network, but I'm trying to set up IPv6 security features since modern operating systems prefer IPv6 by default.  I'm looking at IPv6 snooping, and following this document: http://www.cisco.com/en/US/docs/ios-xml/ios/ipv6_fhse...

Hello.My customer network requires to use OSPF. For accomplish this, i´m using a 3750X - IP BASE. According the information bellow, its´required to run the IP Services Licence, but researching the Cisco Feature Navigator Tool, show on my IP BASE imag...

Hello.  I am trying to follow this Cisco document here: http://www.cisco.com/en/US/products/hw/switches/ps628/products_configuration_example09186a00800ef797.shtmlI have been though the setup a couple of time with no luck pinging one pc to another fro...

Good Day.How do I get Layer 3 etherchannel to communicate with my Management VLAN ?  My etherchannel is Up Up, but my VLAN stays DOWN DOWN.Any help will be much appreciated......Here is a sample of my configsCore 6807 XLinterface Port-channel50 no sw...

I wanted to know that Management vlan and Native vlan can be different vlan id or  both should be same vlan id. Why should not be native vlan 1.

hello all gurus,i have an customer issue on 3750-E-48 connected to DWDM linkmy NMS reports sometimes very huge of Discard Rate Value on DWDM's port of 3750DWDM link is configured at 1G speed and % of usage is approximalty alway 10 to 20so i think lin...

Hi All,I have a similar setup to the attached. I want to make sure that I mirror all traffic going through vlan 1. The Server is my device that I will be mirroring all traffic to. How do I ensure that traffic from all switches on VLAN 1 is mirrored t...

Hi, I have simple configuration where I conditionally generate aggregate route based on some route-policy: router bgp 65001 vrf TEST-A  rd 172.16.10.102:103  address-family ipv4 unicast   aggregate-address 0.0.0.0/0 route-policy RP-TESTwhen I display...

HiOne of my switches, an old 3550, in the organisation is showing up as "red" on my monitoring on IP 10.12.12.87. I can access the switch as when I do a show ip route I get the below result Default gateway is 192.168.30.254Host               Gateway ...

Gents we have couple of Nexus 5548 which is working as layer 2 we have purchased layer three cards which are N55-D160L3-V2= (L3 daughter card version 2) which comes with licence file as well which is N55-LAN1K9 My question is that due to higher OS it...

i have two 3850. two switch status is the stackWhen reconnecting stack cables, reboot allswitch 1 -  %SYS-5-RELOAD: Reload requested by console. Reload Reason: Reload Command.Resetting .......switch 2 -  %SYS-5-RELOAD: Reload requested by console. Re...

Hi All,I have a switch of 6 stacks that needs upgrade.Switch   Ports  Model           ------   -----  -----                 1   12     WS-C3750G-12S     2   12     WS-C3750G-12S     3   24     WS-C3750G-24T      4   24     WS-C3750G-24T     5   24   ...

Hi peopleI have a problem with VRRP or maybe spanning tree, I'm not sure yet and need some input.My two 1921 routers are connected to a 3750-E stack of two switches where the different routers are connected with two trunk interfaces to one switch eac...

Hi all im trying to esablish wccp /GRE with tproxy mode  session between router 3825 and squid centos 7. the wccp is up and fine and squid service is ok. the problem is , no traffic is being redirected from the cisco router to the squid box !!  im wo...