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We have Cisco 4500-X 32SFP with IOS-XE 03.11.11.E as aggregation switch in small ISP setup for broadband and IPTV services.
At customers side we experience picture freezing for 1-2 seconds (no pixelation). Sound is uninterrupted. TS Reader shows incr...
Hi all,
what is the minimum number of fans needed to operate WS-C4500X-32SFP+ switch? Is that possible with only 2 fans from maximum 4? Switch will be under light load and in air conditioned server room.
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...
Probably I have found the answer here: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500x/installation/notes/OL_24795.html#pgfId-45610
Fan assemblies
The chassis has five individual fan assemblies. Each fan assembly has an LED associat...
I've solved this on C4948E. I needed to allow only Gi1/39 for Cacti graphing.
The ifindex is:
SW#show snmp mib ifmib ifindex gigabitEthernet 1/39
Interface = GigabitEthernet1/39, Ifindex = 39
Switch config:
snmp-server view VIEW39 system included
s...
I have the same problem. Reboot reason: backup IP, reboot each 63 minutes.
And it really looks like my IOS DHCP server has problems and is not able to assign addressess to ip phones.
