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RSTP - Message Age - BPDU (Count to Infinity)

Hi!In RSTP, each switch create his own bpdu, but in STP the BPDU only is created by the Root Bridge (RB).In STP, the message age, tell us about the time when the RB has created the BPDU.In RSTP, what does message age do?  because every switch has his...

Juan Urti by • Beginner
  • 8096 Views
  • 8 replies
  • 0 Helpful votes

Build a not direct BGP connection question

                   I want to build up a bgp connection with my client. But there is no any ospf ..etc between of two bgp routers. And also, there is a layer 3 firewall between of them. ( BGP router --- L3 switch -- firewall -- client BGP router) If I...

peichanhk by • Beginner
  • 315 Views
  • 4 replies
  • 0 Helpful votes

EIGRP off-set list is not adjusting routing metrics

Hi folks, we have a stack of Cisco 3750s serving as our core switch in the data center. We have two separate routers (Primary and Secondary) that connect to our remote branch offices via DMVPN tunnels. Both routers at the core and the switch are runn...

Ricky S by • Participant
  • 516 Views
  • 8 replies
  • 0 Helpful votes

Resolved! Speed Mismatch between Switch port and Printer

Hi Everyone,Switch is conencted to Printer through Patch Panel.Printer is hard coded to speed of 100 and duplex is fullSwitch o shard coded to Duplex full and speed of 10With this settings the Switch port does not come up.As soon as i change the spee...

mahesh18 by • Frequent Contributor
  • 6437 Views
  • 3 replies
  • 0 Helpful votes

Resolved! Access-List

Hi Everyone,I need help regarding access-list. I really don't understand the concept of outbound and inbound.This is working fine, but my question is when i put the access-group in serial interface of router 0 the access list won't work.Please Advise...

rivanfrank by • Beginner
  • 1457 Views
  • 9 replies
  • 0 Helpful votes

Tagging a native vlan on a trunk

SInce the native (default) vlan is vlan 1 and it is untagged i have a question for you guys.  I have shutdown int vlan 1 on my switch so now it is not sending CDP across the trunk since it uses the the native vlan which i have shudown.  I want to set...

dbrowning by • Beginner
  • 663 Views
  • 1 replies
  • 0 Helpful votes

Can my PC speak OSPF?

I have just configured the following GNS3 network using Cisco 3740 routers:The 192.168.137.0/24 network is connected to my Microsoft Loopback Adapter (C1) which is sharing the internet with my PCs Ethernet Adapter. OSPF is running on all networks (al...

Is this a bug in 801.X?

Dear Expert Hello. Is this a Bug ?Please tell me.Detail:I have Catalyst2960.Its IOS is 12.2(37)EY(c2960-lanlite-mz.122-37.EY.bin)That switch is setting the 802.1x. The Authentication method is MAB. After running for several months,Suddenly all LEDs ...

I went Cisco and now I can't go back?

I purchased a WRT-330N about two years ago and it was crap right out of the box. The wireless was flaky, constantly dropped connections and died completely within the first six months.The wired portion still worked, so I made do until this week when ...

shanemc67 by • Beginner
  • 348 Views
  • 4 replies
  • 0 Helpful votes

4500X ios XE commands

     we are replacing two 3750E switches with 4500X using   cat4500e-universalk9.SPA.03.03.02.SG.15111.GS2     couple of questions1. is there a command reference available for this ios - can't seem to find out2. Im using GLC-T gbics and we normally w...

jschweng by • Beginner
  • 631 Views
  • 1 replies
  • 0 Helpful votes

Upgrading 3750E from 12.2(58) to 15.0(2)

Hello,I am in the process of upgrading our network switches and wondering if the .lic file will work with the new software or if I have to rehost for the move to 15.0.  Its a remote site and I would like to get some solid info before I pull the trigg...

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