Switching

HI experts, I need to upgrade firmware of my LTE ( Hwic) module for the router 2901. I am wondering if this is the part of IOS upgrade process , I mean ones I upgrade IOS to the latest version will it upgrade my modem firmware by own or I need to upg...

I'm having issues at my client and I'm really out of ideas. Hope someone can help me.I have two 4506 switches at the Distribution layer, connected to stack of 2960X switches at the access side. Tengig uplinks on single mode fiber. SFPs are 10G-LRs.Th...

Hi , I have a problem with switch cisco ME1200 ,It 's can't boot correctly .This is the boot process message :M25PXX : Init device with JEDEC ID 0x20BA19.Sandino ME1200 board detected (VSC7418 Rev. B).RedBoot(tm) bootstrap and debug environment [ROMR...

Hi Guys, Does anyone know if there is any difference in the way the following command is interpreted in different IOS release?aaa authorization exec default local group <group-name> I have observed different behaviour with the same set of configurati...

Ok, I'll admit I screwed up with this one. I wanted to restart with my lab switch and just went erase start/nvmram/flash. ERASE IT ALL! I want to start over and make sure I know this. AND...Reboot. All it said was "switch:" and that moment I was havi...

Hi I am trying to understand the pseudo configuration commands in a Nexus hybrid topology. I have vlans a, b and c only in the vPC side of the topology.  I have peer switch configured and the same stp priority on both switches.In the standard Spaning...

Hello,   I have a VLAN (Let's say it's a guest wireless VLAN).   I would like to have the following rules: Allow traffic to one server on the inside (172.20.20.25).Allow traffic to the internet without restriction.Do no allow any other traffic to the...

Have I found a bug?vrf.pngI have a L3 port-channel with one end in the global space and the other in a VRF. This works well on a 3750 but not a 6509, why?I can ping the 10.119.12.5 address but not the 10.119.12.6 address even though they are supposed...

HelloI have my router 7606-S rebooted by itself. According to output of show version command it's rebooted by software bug.What is the actual cause? Is there any workarounds for this problem? Thanks.================ Snipped from crashinfo file ======...

Hi,Does anyone know when will nexus os support "ip forward-protocol udp xxxx" in Nexus OS?  i.e. udp 55555.Thank you,Vanessa

Hi there, I've got a problem with VLAN routing.First said, I'm new to VLAN's. I've set up a Debian DHCP Server with following VLANS: eth0 Link encap:Ethernet HWaddr b8:27:eb:69:d0:18 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:...

Hi guys, I have a mixed stack of 3750E and 3750G units. Max. feature level = ipbase.With the Network Assistant I get an error when I try to upgrade the IOS.I selected this file for the 3750: c3750-ipbaselmk9-tar.122-55.SE9.tarand this file for the 37...

Hi, Since 802.1q tunneling is not supported on 4500-X with VSS, are there any alternative technologies we can use to tunnel L2 VLANs to a separate DC? Thank you,Nick

Hi,  We have two chassis 4500's with Quad Sup's. They are currently in VSS mode with Secondary Sup in each Chassis in Rom mon.  Our problem is contained to the chassis themselves, not the VSS.When we do power failure test, the chassis reboots but the...