Core switch directly connected to firewall ping fails

BTF SOLAR delivers premium solar mounting systems – trackers, fixed ground mounts, rooftop structures, and carport solutions for Africa and Europe.

Industry
Aug 16, 2025

Ping Issues on Client and Access Switch

Ping from our access stack to the server - no replies Ping from the core switch to the server - there are replies We have etherchannel configured between the access stack (2960) and

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Industry
Jun 07, 2026

Core to access switch ping working and access to core is not pinging

you are not able to ping CORE to Access switch - may be using default ip to ping try using source vlan 103 ? how is your routing configured on Core and Access switch ? Look for me

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Industry
Jul 27, 2025

Able to ping core but not seen at firewall. New vlans

Sounds like either your default route to the firewall is not correct or being overridden by a more specific route. I would mirror a port on the core grab some packet captures.

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Industry
Dec 12, 2025

Troubleshoot Network Connectivity

Network connectivity issues can be caused by a damaged or disconnected cable, or a failure of a network interface on the computer, Firebox, or any connected switch or router.

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Industry
Apr 10, 2026

Can ping from firewall to hosts, but not hosts to firewall : r

I can ping from the firewall to any of the hosts inside my LAN, but the hosts in the LAN cannot ping the firewall. I have a cisco switch doing inter-vlan routing, and it worked fine with my previous firewall.

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Industry
Apr 22, 2026

ISP Hooked Up to Core Switch First... Instead of Straight

Connecting an ISP directly to switches is highly debated but has become common and can be done safely. Although my article on this subject references Palo Alto

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Industry
Aug 05, 2025

Routing issues, can ping core switch but not firewall

I would actually have a routed link between the firewall and the layer-3 switch, rather than a VLAN, and run a routing protocol between all the layer-3 devices.

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Industry
Oct 05, 2025

I''m having an issue with a VLAN not seeing my firewall

The response traffic will not go via the firewall and will go directly via the switch. This leads to an asymetric routing issue and the firewall will likely drop traffic as it does not see the TCP responses.

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Industry
Mar 14, 2026

Unable to get internet to core switch from firewall

We are in the process of replacing a switch and I am configuring/testing it. For some reason I am unable to get internet to the switch or ping the firewall from the switch. We are using a

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Industry
Nov 05, 2025

I''m having an issue with a VLAN not seeing my firewall

I have an SVI configured with the IP address 192.168.3.1 on VLAN 30 on my Core switch. I have a computer plugged directly into port 4 on the Core switch, but I cannot ping firewall. I have been

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Industry
Feb 16, 2026

Ping Fail from Core Switch

Hey, We just installed some new switches at a remote site. A 3750X as the core switch and around 12 access layer switches distributed around different closets at the site. On the core

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Industry
Jan 04, 2026

Huawei Technical Support

This guide provides troubleshooting steps for resolving ping failures in Huawei devices, ensuring effective network connectivity and performance.

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Industry
Nov 27, 2025

A device can be pinged from core switch ( router) but not the switch it

In a nut shell, why can I ping a device at a school on the core switch but not on the switch the device is plugged into or anywhere else in our school district?

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Industry
Mar 06, 2026

Cannot ping an IP from Core Switch, but can do it from my PC

172.16.32.1 is the gateway for your subnet but probably isn''t the ip address your core is attempting to ping from. I''m guessing your core switch is attempting to ping from a subnet not allowed across the

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Industry
Aug 02, 2025

cant ping VPCS to a directly connected switch, except native vlan1

I cannot ping any of the other vlans except native vlan i will paste show run at end here is topology and output I cannot ping any other vlan ~ I''ve made g0/0 into a trunk, as I''m trying to

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Industry
Mar 08, 2026

I can''t ping to the switch before I ping the core!

I have an issue in another city watch is I can''t ping to the switch it said “time out” BUT I can ping the core and after I ping the core I can ping the switch!!

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Industry
Nov 11, 2025

Cannot Reach Switch that is Directly Connected

From the 9500 CLI, if I attempt to ping the 9200 and source that Vlan address, the pings failed. So I added a route on the 9200 pointing back to the 9500 address.After that, the ping started

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Industry
Sep 02, 2025

not able to ping firewall IP

ICMP is allowed on firewall for testing this. show ip route on core switch shows newly created VLAN gateway as connected, SVI is up and firewall ip as default gateway.

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Industry
Jul 09, 2025

Switch unable to ping its local SVI

These switches are stacked. Everything is working fine. However, a strange issue is being faced i.e. switch is unable to ping its local SVI. The protocol and line protocol of SVI is UP. and

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Industry
Nov 16, 2025

A device can be pinged from core switch ( router) but not the switch it

If I ping from the core switch, which is the router for the school and is also where the interface irp is defined, it does respond. If I clear the ARP table on the core switch and ping from

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Industry
Nov 23, 2025

Ping Issues on Client and Access Switch

The only difference I see on the core switch is that there is an ACL that permits access from the VLAN we''re trying to ping from, but it''s set to ''ip access-group OUT'' and not ''IN'' as with

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Industry
Nov 18, 2025

Switch unable to ping its local SVI

But it is just not possible to ping the UP/UP SVI on the switches (using these SVI''s as in-band management), not from directly connected device, or trying to ping the interface from the

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Industry
Apr 17, 2026

Case Study: A Device Is Directly Connected to a PC, but the Ping

Suggestion and Summary When the directly connected PC cannot be pinged, perform the following operations: Check whether the hardware port of the device is damaged. You can replace the device

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Industry
Aug 07, 2025

Windows Defender Firewall Blocking Ping

My workstations use Windows Defender Firewall managed by local group policy. Every time I try to ping from this one workstation I receive "General Failure". When I turn the

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Industry
Mar 01, 2026

Edge Switch Unable to Ping Internet

I am able to ping between VLANs and my Cisco phones get the IP they''re supposed to get and the pass-through is also working properly and receiving the correct IP. The core switch goes

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Industry
Aug 15, 2025

Unable to ping PC directly connected to ASA

Hi all, i have PC connected to inside interface of ASA. it is direct connection to ASA. From ASA i can not ping PC is this default behaviour? Is there something i can do to make this ping work?

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Industry
Jun 26, 2026

Cannot ping core switch from another switch

I have set up a core stack of 3750 switches (3750e, 3750g, and 3750v1 w/PoE) that seems to be running solid. I connected 2 gigabit trunks from the core to a Front of House switch

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