Other Network Architecture Subjects

IOS version Switch with Chassis Type : WS-C4948

I need to upgrade the Catalyst 4948 Switch with Chassis Type : WS-C4948 The Cisco IOS Software installed is : Catalyst 4500 L3 Switch Software (cat4500-ENTSERVICES-M), Version 12.2(53)SG5 What software version can I load in this chassis ? Is it possi...

UBR10012 and RFGW10 Visio Stencils

My customer is inquiring to see if we have any updated Visio Stencils for the UBR10012 template is from 2008 and the RFGW10 is from 2009. Having updated stencils with PRE5s, 3GX60 Cards, HD-SPAs, and DS384 cards would really help their documentatio...

bad mask /24 for address

Why can't I add this address to int vlan 10?int vlan 10 ip address 10.1.10.0 255.255.255.0result is "Bad mask /24 for address 10.1.10.0"I added "ip subnet-zero" and it still won't work. Any ideas? This is a 4506 with a Sup4.Thanks,Patrick

IOT Application Layer Protocol

We have better protocols in IOT for application layer like CoAP, MQTT. But there are some limitations of these protocols like CoAP is having an issue with multicasting and broadcasting where's MQTT has an issue with the unlimited number of node hand...

7600 SUP-32 stuck in ROMMON

I am having trouble booting SUP-32 on 7606-S Chassis. Tried two different IOS but getting below errors: rommon 4 > boot disk0:c7600s3223-advipservicesk9-mz.122-33.SRE12.binInitializing ATA monitor library...Self extracting the image... [OK]Self deco...

ACT Led lights Off and Cause the whole network DOWN

Hi Everyone ! Sorry to ask but I am new to Cisco. I recently had an issue regarding on our router that ACT and SYS LED turn off and cause the network down. Can someone explain to me the cause and solution to resolve this issue ? Cause after it hap...

Cisco Valetplus M20

Need help downloading the software/firmware for the mentioned router for windows 10 I am attempting to use this router wirelessly to boost my wifi range in conjunction with the xfinity router from comcast. have searched the download site and it can't...

Cisco 7606 Power Supply Warning

Hello i have one Cisco 7606 and i'm seeing these errors messages like this: 338256: Mar 23 07:17:06.685 BRT: %C7600_PWR-SP-4-INPUTCHANGE: Power supply 2 input has changed. Power capacity adjusted to 1319.22W 338257: Mar 23 07:17:06.685 BRT: %C7600_PW...

Please help source a +24V DC Powered Switch

Hi All, I am desperately looking for a +24V DC powered switch. It needs to be 24V DC input Managed, with RSTP 48 ports if possible, although i can cope with 2x 24 ports if needed. Any help would be greatly appreciated.

Cisco 2811 Bad RAM issue

1 PVDM2 64 was already inserted but after inserting another PVDM2 64 the router Cisco 2811 was not booting IOS & router was going in ROMMON mode. While executing # dir flash: in ROMMON mode it was showing bad RAM. Just want to know that is RAM gone...

Clients not receiving DHCP Addresses

I have a Cisco 1921 acting as a DHCP server with clients connected via 2960 Catalyst switches. The issue is some machines are receiving IPs via DHCP while others are not. For machines not receiving IPs, the debug ip dhcp server packet is not showing ...

Cisco ISE Support for Certificate Revocation List ( CRL )

Dear Support,I would like to know whether Cisco ISE model 3395 supports delta CRL (certificate revocation list) and how do we configure it to retrieve the information from a CA server's initial response.Many thanks. Sankung

FTA2 Fan Module not working

I have a known good fan module that does not work when plugged into a 15454 Cerent chassis. Any ideas on where to check first? Pin-out of the connector on the back of the shelf possibly?

DMVPN Cisco C819 3G & 4G

Dear community, I have a strange error, for backup we have dmvpn-routers 3G. To connect to the site with a 3G router C819HG+7-K9 no problem. XXXVR01_161#show dmvpnLegend: Attrb --> S - Static, D - Dynamic, I - Incomplete N - NATed, L - Local, X - No...

High CPU Utilization in Router because of OSPF

Dear All, I have configured IPSec over GRE using OSPF protocol in cisco Router 3845-HSec-K9 .My client is having more than in more than 500 branches with Dual ISP connectivity. But we are facing huge cpu utilization in 3845-HSec-K9 and getting huge ...

Other Network Architecture Subjects

Forum Posts

IOS version Switch with Chassis Type : WS-C4948

UBR10012 and RFGW10 Visio Stencils

bad mask /24 for address

IOT Application Layer Protocol

7600 SUP-32 stuck in ROMMON

ACT Led lights Off and Cause the whole network DOWN

Cisco Valetplus M20

Cisco 7606 Power Supply Warning

Please help source a +24V DC Powered Switch

Cisco 2811 Bad RAM issue

Clients not receiving DHCP Addresses

Cisco ISE Support for Certificate Revocation List ( CRL )

FTA2 Fan Module not working

DMVPN Cisco C819 3G & 4G

High CPU Utilization in Router because of OSPF

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