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Hello, I've got an email from our ISP, that our router is in danger... They found that the router has SNMP port opened. After that, I scanned our router I found more opened ports: UDP 161, 123, 500 (it is OK, the router does S2S). Could you please ch...

Exonix by Beginner
  • 12 replies
  • 0 Helpful votes

Hello, I have a Cisco 3725 router connected to a Cisco SF500 switch, also connected to a SF500 switch (trunked)When I try to ping from the router, it fails. When I debug it stated:R1#debug ip packetIP packet debugging is onR1#ping 10.1.2.*Ma...

geoffwynn by Beginner
  • 11 replies
  • 0 Helpful votes

Hi team,I have configured SSH on my 2911 router. Verified all configurations but unable to take SSH from putty. Want to know if any mistaken done from my end. Please help me. Connection Version Mode Encryption Hmac State0 2.0 IN aes256-cbc hmac-sha1 ...

Hi ALL !!!I created CPP and applied the service policy like "permit tcp host x.x.x.x any telnet" to it.It work very nice if I haven't VRF.But, ALL my users from VRF "USER" or "Manage" can telnet to router :-(What can you suggest to me?

Resolved! Upgrade 4500x VSS

Hi Team ,   I would update 4500x VSS WS-C4500X-16SFP+ with cat4500e-universalk9.SPA.03.05.01.E.152-1.E1.bin to cat4500e-universalk9.SPA.03.08.06.E.152-4.E6.bin I ask if necessary to do intermediate jumps , that way I will use reboot mode no ISSU.

loffreda by Beginner
  • 3 replies
  • 0 Helpful votes

I use ASA firepower can remote window in amazon cloud with Cisco linksys WiFi router then i change to use new bought RW215i add port 3389 in service managementmy mobile phone and notebook can surf internet but can not remote Mstsc.exe window in amazo...

Maivoko by Beginner
  • 8 replies
  • 0 Helpful votes

Hi,I was wondering if anyone has managed to sucessfully configure the EHWIC-4G-LTE-G network module for use on the O2-UK network?I am succesfully registering to o2 (network 10) in the uk (country 234) without roaming (home):#sh cellular 0/0/0 network...

Hello, I have a Cisco 887VAW and the problems are; - I have no internet.- The ppp green light does not come on.- The Windows network diagnostics says "The DNS server isn't responding". To resolve this; - I was wondering how logging is setup.- I was w...

digbym650 by Beginner
  • 1 replies
  • 0 Helpful votes

I am looking for advise. I have a switch with C3750-IPBASEK9-M, version 15.0(2)SE software installed. According to release notes in below link;

saminda by Beginner
  • 2 replies
  • 0 Helpful votes

I have a fiber connection that is about 75KM long, I need to convert it to 1000Base-T on both sides.  The hand off is an LC on both ends.  I'm open to doing a conversion to MM then to 1000Base-T if needed but I'd rather not have multiple converters i...

Hi Everyone,   I am testing a DHCP relay in a VRF lite LAB, the goal is to have a central DHCP server to allocate client IP addresses for subnets that are not directly reachable.   To achieve this I am using the helper-address global and ip dhcp rela...