So I have a weird issue since I reloaded my ASA 5540's (8.4(7)) this morning. They are in an Active/Standby failover pair and my standby ASA is no longer responding on one interface, but it works on the rest. More specifically, when I try to ping it ...
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Forum Posts
I'm using packet tracer to test some scenarios and ran into something that I cant tell if it's a bug or working as designed on some 2960. If it is working as designed I might be misunderstanding why its reacting this way. I even started fresh after I...
We have a stack of four C9200-48P switches. The last two times the stack rebooted, switch one in the stack came up in rommon mode. Consoling to that stack member and issuing the "boot" command caused it to load the IOS and config and it subsequentl...
Resolved! Limiting SSH to Loopback Address Only
I am attempting to stop ssh to any IP on my switches accept the loopback address. I have created a few different access lists and applied them as an access-class on the vty lines, but this just locks me out of the switch all together. Here is the is...
Used with a WS-C3850-24T-L Catalyst Switch, is the L-C3850-24-L-S license (C3850-24 LAN Base to IP Base Electronic RTU License) a one-time purchase or does it require periodic renewals? If renewals are required, what is the frequency?
On a closed network, I can't gain access to a newly added server by way of Vshpere web browser login. I used wire shark to determine that I am sending a hello but not getting a response. When I directly connect I have no problem, but can't connect ac...
Hey everyone! Been beating my head against a wall trying to get this to work with no avail. At this point I'm thinking it may not be possible but I need to make sure before I give up and try something else.Anyways here is the situation:I am hooking u...
I am getting the following error on all my 9300 switches, but none of my other models... %AAA-3-SERVER_INTERNAL_ERROR: Switch 1 R0/0: sessmgrd: Server ';(null)';: No server stats to increment access accept count! I know it has something to do with ra...
Hello.I've got a CISCO IE 4010-16S12P. I need to configure a link with PRP redundancy. (gi25-gi28 interfaceses must be used). I have a wire connection, so GLC-TE 30-1475-01 SFP modules have been bought. Problem is the switch doesn't respond to this m...
Hello I am trying to configure object tracking inside an eem script to track an interface going down. However, for some reason, in 16.9.x, it is not giving me the option "track" under the eem applet. I remember this was available in 3.x.x versions. ...
Please can you tell me when performance monitoring for Jitter/packet loss will be supported on Cat 9300/9400/9500 (and Cat 3850) IOS-XE switches?Performance Monitoring (PerfMon) remains in the unsupported feature list for Cat 9k even in 16.11.x. (See...
Hi, How to use the device tracking database with ARP spoofing detection? Hardware C3850 and IOS 16.9.4.
Hi all, When trying to find out the reason of a crash on a router or due to another reason on an IOS-XE device, I was able to view the tracelog files of the different processess of the router (fman, hman, and so on) using the more command: more boo...
Hi all, Since yesterday, we're having this weird issues that switch ports are going to err-disable due to exceed arp packets:We're seeing these logs:2:10:42 PM 33821 Mar 3 14:10:41.456: %PM-4-ERR_RECOVER: Attempting to recover from arp-inspection er...
Hi All, I have been reading up on UDLD and one of the primary use cases of using this protocol is to prevent L2 loops if a link becomes unidirectional. Does UDLD have any advantages on a routed ports or should this used on L2 ports only? Thanks
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