Hello, what is real life power consumption of WS-C4500X-16SFP+ switch? All 16 SFP+ ports would be used for 10G optical and metallic modules. 2x AC power supply.  I know that nominal power consumption should be around 400W. I want to know if this is c...

Hello, I have some sites with Cisco IOS 28xx gateways (12.4.24T8) with ISDN PBX's behind them. Connection to PSTN on each site is done via SIP provider. When extension behind PBX dials outside to PSTN the Cisco GW gets SIP/183 (with SDP) from SIP pro...

Hi,   I have a Cisco 2911 branch router with quite simple config and there is also DHCP relay configured on LAN subinterfaces. The helper-address points to a server located in datacenter.   Regularly after the datacenter maintenance window (when DHCP...

I configured incoming packet marking based on ACL on 3750G-12S-E switch with latest 12.2-55.SE12.   The 'show policy-map interface' command shows zero counters and I have found this is normal behaviour on this platform and not a bug.  My question: is...