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Resolved! Portchannel Adding vlan without downtime

I have a port channel defined between two catalyst 2960S switches as shown belowinterface Port-channel1switchport trunk allowed vlan 10,20switchport mode trunkswitchport nonegotiateinterface GigabitEthernet1/0/47switchport trunk allowed vlan 10,20swi...

avilt by Participant
  • 5 replies
  • 0 Helpful votes

CISCO 6500 VSS restarted.

hello guys,i have a cisco 6500 switch in VSS and suddendly one of the switch in VSS got restarted... crach file got generated, please let me know if something you can find out, (software or hardware issue)Software Version Running: ADVIPSERVICESK9-M, ...

sameermunj by Beginner
  • 7 replies
  • 0 Helpful votes

3750X Stack Problems

A colleague of mine powered on a 3750X switch and added it to an existing stack before the stack finished booting.  Now, it seems as though the switch is in a continous loop.  Here is what I have done to try to resolve the issue:- reload the entire s...

Resolved! Trunk to Trunk VLAN

Hi I have switch A interface 1/0/1 trunk (VLAN 1) is connecting to  switch B (VLAN2) interface 1/0/1 trunk. How do I route the packet from VLAN1 in switch A to VLAN 2 in switch B?Switch A:interface GigabitEthernet1/0/1switchport trunk encapsulation d...

Chieu Dinh by Beginner
  • 8 replies
  • 0 Helpful votes

3750-24FS-S to 3750V2-24FS-S

We are using c3750-24fs-s switches on our LAN. It is our understanding that these switches are end of life and the c375v2-24fs-s is the replacement, and our assett team ordered V2 with the last shipment.Now we see thered is an issue. The 3750s deploy...

Allow traffic between interfaces

I have spent the last few hours reading different documents but I am still coming up empty handed.I've got a ASA 5525, has a inside interface & sits at defined a logical interfaces with vlan tag 3364 -- sits at (this will be for...

itsupport by Beginner
  • 8 replies
  • 0 Helpful votes

Resolved! how to telnet from a 6513 with VRF

I"m inheriting a new network that uses a 6513 as the core switch with VRF implemented.  How do I telnet or ssh to a 3750X from the core when VRF is implemented.  Just to ping I had to use " ping vrf TRUSTED x.x.x.x". 

NAT for logical interface

I've got the following setupinterface GigabitEthernet0/0description Outside Interfacespeed 100duplex fullnameif outsidesecurity-level 0ip address (removed) !interface GigabitEthernet0/2description Inside interfacenameif insidesecurity...

itsupport by Beginner
  • 1 replies
  • 0 Helpful votes

Unknown port flapping issues

Hi allI have a bizzare situation in which certain ports of certain switches are going up and down.  First there were STP errors which I have managed to get rid of but there are still issues with certain ports on certain switches.  Not all the affecte...

Upgrade core

We are looking to upgrade the core switch from a Catalyst 4506 to a 6509.  Being that the 4506 is currently the VTP server, how would you recreate teh 6509 to become the new VPT server?  Would I bring them both online and configure the 6509 as a serv...

Help regarding cisco 2801

Hi everyone,I have little problem regarding my cisco 2801 configurations. The thing is i have Cisco 2801 with two fast Ethernet ports, i have programmed one port for WAN link and the other one for my local network. Everything is working fine from DHC...

M Talha by Beginner
  • 2 replies
  • 0 Helpful votes

trying to convert all port to 1GB

Hello guys,     We have two 4506-E SUP7L-E switches, and we have connected between them using the uplink ports embebed on supervesor card, (no twinports) individual lc ports, but just "turn on" 2 ports in each switch, I think that this is because we ...