I am using an isr c921-4p. The system file is flash:c900-universalk9-mz.SPA.158-3.M6.bin.I want to upgrade the encryption algorithms so that it’s more secure. I tried to follow this guide, https://community.cisco.com/t5/networking-knowledge-base/conf...
Forum Posts
Would like an upgrade please.Two Wan ports that support 2.5GB of modern cable modems please!
Hello colleagues! It might be a silly question but I've encountered with strange behavior. I tested throughput with iperf over an DMVPN ipsec tunnel and got some counterpart results. For instance, one session tcp test generates throughput no more ...
Dear community.Continuing on from our last discussionPlease if these switches and routers will support the IOS 15x, flash update.Catalyst 3560/3750/9200 seriesCisco Routers 2800/2900 seriesPlease advise.
Resolved! Port 1080 open
Hi - I did an nmap from outside my local LAN and noticed that the TCP port 1080 was open to the world.. Should I block access to it from outside? Just use an access list for it? Thanks!
Hi Everyone , This issue has been bothering our corporate environment for a while now . any help would be great . We recently upgraded the ios on the 5508 controller at the DC1 - this is the one that we primarily use for a bunch of sites. We have a s...
Can anyone give me the configuration for this lab trying it at home on what the whole confit would be?
Need help with a basic questionBelow is the setupHost1----SW1----R1-----R2----SW2----Host2Questions:1. There is intermittent connectivity between Host1 and Host2.2. Traceroute from Host1 stops at R2. How do you troubleshoot?Please let me know how to...
Resolved! NTP Master and NTP Server
Hello. I have a Cisco 4351 router that i configured as an NTP Master, all other routers and switches synchronize to this router. I have configured a Windows server as an NTP Server that synchronizes with Internet time servers, i need the 4351 router ...
hi there.. my router is handling pppoe, NAT, and DHCP server.. My local LAN is 192.168.1.x and it's behind that NAT. I'm trying to enable access to a DNS server on this LAN, 192.168.1.191 tcp/udp 53. Here is what I have, access from WAN to that DNS s...
We have a 100Mbit over 1Gbit bearer leased line (United Kingdom) terminated into an ADVA FSP 150-GE102 Pro, connected to a Cisco C1117-4P. The only equipment we manage is everything behind the Cisco, including our DrayTek 2927 router which connects i...
Hello Folks I am not sure it could possible or not but below is the my query regarding cisco wireless controller please assist and guide me . Query =======Is it possible that one wireless controller act as a secondary wireless controller virtually ,...
Resolved! Getting warning IP nat pool too small
I want to NAT single inside IP to multiple outbound IP's based up on the destination subnet. For example : My appserver should be natted to 10.10.1.10 for packets tx/rx toward customer1My appserver should be natted to 10.10.2.10 for packets tx/rx tow...
Resolved! Routing Decision
Hello engineersLook to below exhibition, OSPF,EIGRP,STATIC,RIP imagine any routing protocol is applied on routers for routing.Now i intend to ping interface 10.10.10.10 /8 on R3, My default gateway is R1s interface IP, when packet arrives to R1, R1 f...
