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Resolved! IP ADDRESSING

I  want to block some ip on my network, this IP are primary IP in my Network (Some Devices has a default IP's i have many vendor devices that has same IP binded i want to Block on my network) One Devices is connected on FA2/5 (IE 115 Switch ) other d...

mdmaqdoom by • Level 1
  • 1481 Views
  • 4 replies
  • 0 Helpful votes

Higher Availability with "hot standby" / "cold-standby" with Cisco SG250-26 (26 Port gigabit smart switch)

Hello,we have been using cisco sg250-26 for couple of months now. We have just bought another SG250-26 Switch for high-availability. I was told that there are 2 possible ways to achive high-abailability: hot standby and cold-standby..Do you guys have...

Rommon crashed, cannot type anything

Hi, does anyone know how to recover from a crashed rommon?The Sup720 goes directly to rommon on boot up but i'm unable to issue any commands.System Bootstrap, Version 7.7(1)Copyright (c) 1994-2003 by cisco Systems, Inc.Cat6k-Sup720/SP processor with ...

ntidcombe1 by • Level 1
  • 6908 Views
  • 11 replies
  • 0 Helpful votes

Resolved! WS-C3850-48T -40 G on-NM-4-10G

I have 2 WS-C3850-48T on the stack with C3850-NM-4-10G.My goal is to do Channel-Port with 4 Port 10G to have 40G on the Link.can this Work ??? this module support 40G without a license or anything ?? Best Regards.   

youness10 by • Level 1
  • 1113 Views
  • 3 replies
  • 0 Helpful votes

Resolved! SUP720 3B and 3BXL differences

Hi,I was just wondering if anyone new definitively what the difference is between the WS-F6K-PFC3B and WS-F6K-PFC3BXL module on the SUP720?I know there are stated differences in the number of routes and Netflow entries etc that they can handle and th...

Resolved! Stacking Cisco Switches.

Hi All.I Have a question about Cisco Switches Stacking in General. Does Switch Stacking Lead to increase(sum of all stacked switch dram) of total Dram and Processing strenght? I mean, all Switches DRAMs and CPUs will act as a Pool as below example:To...

s.maxina1 by • Level 1
  • 2151 Views
  • 4 replies
  • 0 Helpful votes

Resolved! ES3G-24-P Recovery

Hello, I have a ES3G-24-P that i inadvertently loaded an unsupported switch image on, now when it boots it gets stuck in a loop and keeps trying to reload the failed IOS.  Is there a way to stop the boot process and get the module in rommon mode so i...

Jeff by • Level 1
  • 859 Views
  • 1 replies
  • 0 Helpful votes

Port 5002 is being used by system

Hello,help me pls, There is strange error while configuring nat on cisco 7600 router with asa and ace modules. #ip nat inside source static udp 192.168.1.3 5002 <outside-ip> 5002%Port 5002 is being used by system sh ip sockets  - doesnt display any u...

877 cant ping VRRP master ip

Vrrp show as enabled and I can ping my vrrp ip(192.168.1.50) from the router but not from any other PC on my network!Cant think of anything other than my 877 doesnt have advanced Ip features installed.And this is probably the reason why multiple vlan...

Mrp cisco with Hirschman

Hi Frineds,I am having issue with integration between Cisco and Hirschman switches. there is different pattern of cisco mrp domain-id which is  FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFF and in Hirschman 255.255.255.255.255.255.255.255.255.255.255.255.255.2...

Shani444 by • Level 1
  • 1172 Views
  • 0 replies
  • 0 Helpful votes

Resolved! Packet Drop

I have a question.I have a Switch 3650 with the firmware 16.3.6.its Port 48 is connected to an AP ,after some time[could be months ] start to drop the packet.but this problem is only with this interface. if i connect the AP to another port of switch ...

9200L Day0 setting issue

We just brought four 9200L-48P-4X-E switches with stacking modules. I tried following this instruction to process the Day0 setting but no success.https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9200/hardware/install/b-c9200-hig/b-c9200l-hi...

Controller Port Error Question

Hi there,           I saw a this error message fill up the syslog:  %ILPOWER-3-CONTROLLER_PORT_ERR: Controller port error, Interface Gi1/0/31: Power Controller reports Short detected I found some similar post on cisco community that a user said to do...

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