Switching

Anyone else besides me and the Cisco TAC engineer I worked with having trouble viewing the Cat 4500/4948 release notes?  The Cisco TAC engineer I worked with said he doesn't know why, but he has not been able to load the web pages of the release note...

The 6500s on our network run on WS-SUP720-BASE supervisor modules with the MSFC3 daughter card. Our baseline is to run 12.2(18)SXD7b. We ordered more sup720s which came in as WS-SUP270-3Bs. After I "downgraded" the IOS to our baseline, I cannot re...

Hi,I have a 6509 running dual sups - (WS-X6K-SUP1A-2GE, WS-F6k-PFC).If I configure sso or rpr redundancy will the sup's automatically syncrohnise?Ultimately what I want to ahieve is if I amend configuration on the active sup then save to startup will...

Hi guys,I am testing my two vlan´s (VOICE VLAN 2 and DATA VLAN 1) in my switch at my Test Lab. I need to make congestion at DATA VLAN 1 and test that the VOICE VLAN 2 is running ok, but I don´t know how can i do that.I have connected 4 ip phones, two...

Hi everyone,I have an office with a 4507R chassis running with sup engine V-10GE. The two 10Gbps interfaces are currently unused and I have a X2-10GB-SR module ready to be loaded in there. On the other end, I have 3x3560G delivering connectivity on t...

Hi,Can anyone tell me if it is possible to use a port that is configured as EtherChannel out side of the configuration.   What I mean is the following.Suppose I have 3 Ports configured on my CISCO switch, say ports (1, 2 and 3) Configured as an Ether...

Aloha All,I never was sure if you could do this.  I did a little digging but failed to find a yes no answer yet.  Here is my config:ip http serverno ip http secure-serverip nat translation timeout 60ip nat pool rolloffs 999.129.10.250 66.129.10.250 n...

Hi,I have two CSM (active/standby), if reset CSM active, current session on active will lost? I'm not sure about replicate csrp sticky and connection will help or not. Thank you for all feedbackSome configuration... vserver CFI-8443  virtual 10.108.5...

i have an 1841.it loads up from the external CF.lost the password.when the CF is out it boots to rommon>cant dir the flash:rommon 18 > dir flash:dir: cannot open device "flash:"usb fla cant be read either.i followed conreg instructions for changing t...

Hi,I hope someone can assist, I am trying to connect a SG 300-28P connecting to 1761 with HWIC-1GE-SFP by fibre the physical link is up but I can't get any traffic through on my default vlan 1.I have added this to the router:interface GigabitEthernet...

Is it a fair enough and accurate statement to say that STP should never be turned off on switches in a L2 domain, even if a loop-free topology is deployed.

I recently received a C1921 and am doing some lab testing. I am trying to apply some old configs from a 2811 but some commands are not working.The most annoying to start is the ipv6 address family in a vrf definition (multi-vrf/VRF-lite). There is no...

Is there a way to determine the reason(s) of latency in the network?We use Cacti and IP SLA for end-to-end performance measurements using ICMP and this works fine, however we would like to investigate the potential causes of latency along with sugges...

According to the Cisco Download Software selector for the 4500 SupIV and 4948s, 12.2.53-SG4 is identified as GD code, "12.2.53-SG4(GD)".I've never seen GD code released for a Cat4500Sup4.  I do not find GD or General Deployment mentioned in the relea...