Switching

Resolved! VSS and third party switches (ProCurve)

We are considering using VSS, with a second 6500 we are procuring. Originaly the intenet was to configure the second 6500 as a redundant fail over switch, but I am considering going with a VSS solution instead. The 6500's will make up the core...

Two DHCPs, one is slow to send the offer

Hello, I have a small issue about DHCP, I need two servers of DHCP.1 - Provide by Switch Cisco range 172.17.52.02 - Provide by Windows Server range 10.10.10.0 Everything works ok, but when I have a Computer using vlan 101 (at interface GigabitEther...

Resolved! Cisco 6509 rebooted with crashfile

Hi,Last Sunday, i have the Cisco 6509 in version 8.6(4) that rebooted without reason. And i saw there is crashfile generated for that reboot. I tried to search for software or hardware failure but could not see anything.Can you help me please?I attac...

3750G-48TS - Issue with SFP ports 49 / 50

Hello everyone! This issue is driving me nuts.... I have even been talking with CCIEs on this and no luck. My next step is to initiate a TAC but was hoping someone on here could help or has seen my issue.We have 4 brand new 3750G switches and out...

Help with understanding the show ip mroute output

Hi,I've been trying to find a resource on the net to describe the output of show ip mroute but I'm struggling for a complete explanation. Can someone please helpme with this, let's say I have the following output (taken from an example):(*, 239.255.0...

Resolved! HSRP Duplicate Address Problem

Hello Everyone,I had a rough day today. We just had what looked like a broadcast storm. All the uplink interfaces of the access switches were error disabled so I had to get in by console one by one and bring up the uplink interfaces. When everything ...

Connecting to CDM600

Hello all,I've been trying to use a Comtech Satellite Modem with a Cisco Router 2600 with a WIC-1T interface, using a CAB-530MT Cable.I was wondering if anyone had had any experience with it.Is there special settings for the serial interface so that ...

What is a NNC switch?

hi,i have came across a setup where a L2 switch is used as an NNC switch for an internet connection, connected between firewall and internet router. Can anyone let me know what a NNC switch is?

ACL, Route MAP, Prefix length and route Prefix?

I want to Know about story for ACL, Route MAP, Prefix length and route Prefix any once can share with me...

Quick Question - Shutting down an etherchannel

Hello,Very quick question. If administratively shut down a port-channel does this mean the ports within the etherchannel are effectively shutdown and no traffic will flow over the ports within the etherchannel.ThanksDarren

TCP connection question

Hello,I have a question about establishing a tcp connectionWe have a web server,so a tcp request will go via plain ethernet connection, without encryption, but all traffic from the web server subnet is encrypted, without exception.Will it work or not...

ASA NAT exempt, TCP sequence

I bought a new ASA 5505 and am having a bit of a problem configuring it in the way I need it.Basic diagram:192.168.1.0 /27 --> ASA --> 3524 switch --> 3725 (router on a stick) --> 3524 --> 192.168.2.0 /27I have a 192.168.1.0 /27 network that I'm atte...