Cisco Catalyst Center
This community is for technical, feature, configuration and deployment questions. For production dep...
2883 PostsActivity in Networking
asa 5525 & VPN issues
4 Aug 08 2025 15:25:10 TunnelGroup <DEOffice> GroupPolicy <GroupPolicy_downetc> User <pesta> IP <72.159.157.23> No IPv6 address available for SVC connection5 Aug 08 2025 15:25:10 IPAA: Session=0x01047000, IPv6 address: callback failed during IPv6 req...
DMVPN - Spoke to Spoke when hub is down
Hi AllI have a lab setup using DMVPN phase 3 with eigrp, a hub and 2 spokes.If I shut down the hub external IP, the spoke to spoke traffic fails within a few seconds.Is this normal? I know for redundancy you can have 2 hubs but would it still affect ...
SDWAN API for Device to Template Assoication
Team I am working on a python script to pull down all of the devices that are control by vManage then tell me the device template and feature templates attached to the device. Cisco made it so easy to figure this out in the GUI, and I really need to ...
How to setup a thee-tier network?
Hello,I'm still a bit of a noob when it comes to Cisco, so please excuse any seemingly trivial questions.I am asking this question since I was unable to find an complete und detailed guide how to build a three-tier network online.That's why I have so...
Policy based routing with reflective ACL not working as expected
Hi everyone. I have a 2960x acting as a "core" switch doing inter-vlan routing. Vlan 400 is for IoT. Other vlan hosts need to be able to access hosts in the iot vlan, no hosts in the iot vlan can access anything but internet. All hosts in the Iot vla...
Why do PCs need a default gateway to be configured on them?
So I have a network where I need to do inter-Vlan routing. I wanted to ping a PC from a switch and I understand why you would need to configure a default gateway on the switch so that the ping can be sent correctly but what I have trouble understandi...
copy nxos bin file from switch to tftp server
Hi all,got a Nexus 31108TCV and i want to copy the nxos image file ie bin file to my tftp serveri tried but didnt workcopy bootflash:///nxos.9.3.13.bin tftpit said copying and returned back a new lineany helpthanks,rob
X2-10GB-SR cannot establish link with Mellanox ConnectX-3
I have X2-10GB-SR 10Gb modules plug into Cisco WS-C3750-E layer 3 switch and Mellanox ConnectX-3 10 GbE adapter installed in ESXi 6.7 server (Dell PE R710). Both ends connected with LC-SC fiber optic cable. ESXi server can detect Mellanox ConnectX-3 ...
Resolved! C3850-NM-BLANK GUI Default Username and Password
Hello Team,Does anyone know what is the Cisco Catalyst C3850-NM-BLANK GUI Default Username and Password? I have tried a few including the one listed on the Cisco website (Username: admin Password:cisco )... Nothing seems to be working. Also the devic...
Cisco 9200L 48PXG-4X-E stack switch in roman and keep restarting
Out Stack switch goes to rommon mode, and keep restarting , can't even flash from the USB it runs some ### and reload automatic and shows the messages in below, hope anyone can reply
VLAN SPAN on Catalyst VSS?
Hello I can't find any clear documentation on how SPAN works in a VSS environment. I see in the documentation that you cannot configure SPAN on a VSL, but my question is regarding SPAN with a VLAN source.I assume both chassis will capture traffic fro...
ISR1100 router receiving PUNT_INJECT-5-DROP_PUNT_CAUSE every 30 secs
Good day all. My ISR1100 (C1111-8P) router has started receiving the below log approximately every 30 seconds: *Aug 8 19:17:49.568: %PUNT_INJECT-5-DROP_PUNT_CAUSE: F0: cpp_cp_svr: punt policer drops packets, cause: arp (0x7) from GigabitEthernet0/0/0...
Resolved! C3650, does this switch appear to be reset?
Greetings,I have aquired a second hand WS-C3650-8X24UQ-S. Appears to be working as is (connected to router and one pc), and no password. When looking up reset instructions, I see typically you flash_init, then delete config.text and vlan.dat (after h...
Resolved! BGP not showing metric im sending to Neighbour
Hi AllOn my router, I have set the metric to some routes to 200 and applied the route-map outbound to the bgp neighbour.When I type show ip bgp neighbour x.x.x.x advertised routes, I cannot see the metric being applied to the routes, I only see it on...
Resolved! Using variables in EEM
Hi, How can I use variables in EEM aplets ? I tried this method: action 1.0 cli "copy bootflash:/$(SWITCHNAME)_$(TIMESTAMP).cfg" but it actually takes the values from variables before putting int config mode. So when I enter this command I have...
| User | Helpful Count |
|---|---|
| 66 | |
| 44 | |
| 44 | |
| 33 | |
| 31 |
| User | Count |
|---|---|
| 23 | |
| 15 | |
| 12 | |
| 11 | |
| 9 |
