Cisco Switching/Routing :: Cannot Ping IP From SWH02

Nov 29, 2011

[code] I can not ping IP from SWH02. I observed there sth wrong when trunking over SDH. Because when I config int vlan 121 on another switch(SWH04) already trunking with SWH01, I can ping IP from SWH04.

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Cisco Switching/Routing :: 3560G Can Ping Devices In Enterprise LAN But Cannot Ping Interface

Mar 31, 2012

I have a new 3560G to set up a small network for a remote site. I configured the vlan and an SVI as the gateway. The switch is also the DHCP server for the LAN. I configured Gi0/2 as L3 port, connecting to the nearest neighbor. My network runs EIGRP so i advertised the routes into the EIGRP process. The switch forms EIGRP neighbors and learns all routes in the enterprise network. The problems I'm having now are: 1. The switch learns all routes in my enterprise LAN and can ping devices in the enterprise LAN, but I can’t ping any interface on the switch from the enterprise LAN. 2.

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Cisco Switching/Routing :: Can Ping From R1 To R3 SVI4 Gateway But Cannot Ping Host

Dec 12, 2011

I set this up and I can ping all the gateways but never the hosts.  I was hoping I could make these links between 6500's a mix of L2 and L3.  Check it out.  They are connected in a linear fashion R1--->R2--->R3.  I can ping from R1 to R3's SVI4 gateway but I can never ping a host on that SVI4.  I was hoping that I could use the port-channels between 6500's as routed links or as trunk links depending on the type of traffic....thought it would ease the migration.  I suppose I could always get rid of the port-channels and just make separate L2 and L3 links between the 6500's.

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Cisco Switching/Routing :: 4.2.2 Unable To Ping 1 Internet Site From Edge Router Able To Ping

Jan 18, 2013

From My Router that connects to Cable modem i am unable to ping website am able to ping all other websites fines.Same website i can ping from my pc and all other switches fine.Router has only 1 ACL thats for NAT.

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Cisco Switching/Routing :: Cannot Ping After Creating VPN

Apr 8, 2013

I could not ping and access internet after creating the VPN. Below is my setup and router configuration: [code] From the router 1941, i could ping up to but not up to Since i cannot ping, i suppose i cannot ping I am sure is there as i use another PC which is connected directed to the office network instead of through the router 1941, it could ping your info, the g0/1/0 is connected to the PC while g0/1 is connected to the office network.

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Cisco Switching/Routing :: 1760 - Cannot Ping Next Hop

Mar 1, 2012

I just got a new 1760 router, I have an issue.
My FastEthernet 0/0 interface uses DHCP and got /16.
My Ethernet 0/0 interface is my internal interface, it has static /24.
On the Ethernet 0/0 interface, I have a PC attached, IP /24.
The router's gateway is set to IP
My PC can ping and can ping (both interfaces of my router).
My router can ping anywhere on the Internet.
But my PC cannot ping Firewall disabled, all security disabled.


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Cisco Switching/Routing :: 3825 / Cannot Ping LAN IP

Jul 17, 2012

I have a cisco 3825 router with two GE interfaces. GE0/0 is connected to a switch through ethernet cable. I have configured the GE0/0 interface with IP address. I have also configured static route for the local network. However, now I can only ping the GE0/0's own IP from the router. Here are the running-config:
hostname Router
!card type command needed for slot 2
enable secret 5 $1$4gxa$sykc0mcaxpCIrGc86i1ZE.

The is the current gateway on the 10.1.52.x LAN.

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Cisco Switching/Routing :: HWIC 4ESW - Cannot Ping It

Dec 28, 2011

I have a 2811 ISR, a lab unit with almost nothing yet configured other than some IP networks on serial and FE interfaces to ping to other lab routers. And I have one HWIC-4ESW installed, and I amrunning IOS 15.2.I want to set the card as a single routable interface and just have the ports act like switch ports, which I imagine is the default design of these cardsI work a lot with Cisco 891 ISRs so figured it's the same here, assign an IP to interface Vlan1 and all is well. That was wrong, obviously more config is required.It seems there are a lot of differing answers out there, so far none what worked for me. The best looking one I could find said to assign an IP to the Vlan 1 interface, then go to each of the four FE interfaces on the switch module.

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Cisco Switching/Routing :: 3750 - Extended Ping With Df Bit Set

Mar 5, 2012

I am trying to test the MTU between two 3750 switches I have in the lab.  I've set the MTU with the command "system mtu 9000" on both switches and rebooted.
The only connections on the switches are the gig ports connecting the two switches.  Each interface is  a member of vlan 1.
I am doing an extended ping.  I set the datagram size to 2000.  When the df bit is set the ping doesn't go through.  If the DF bit is not set the ping goes through.
The debug ip icmp shows, 4d00h: ICMP: dst ( frag. needed and DF set.
Why is fragmentation needed when the MTU is set to 9000?
GigabitEthernet1/0/1 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 0015.2b7d.0d01 (bia 0015.2b7d.0d01)
MTU 9000 bytes, BW 1000000 Kbit, DLY 10 usec,


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Cisco Switching/Routing :: 871 VPN Server Unable To Ping LAN

Nov 12, 2012

I have 2 routers, one is an Apple AirPort Extreme with a static outside IP address, I also have a Cisco 871 with a static outside IP address.  The Airport Extreme connects to a switch on the private network and has an IP address ending in .1.  The Cisco 871 connects to the same Private network and it ends in .2.  The 871 is setup as a VPN Server.  now when clients connect to the VPN they can ping the VLan IP Address on the 871, but they can t ping any other hosts on the smae network.  The hosts on the private network can ping the vlan on the 871.

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Cisco Switching/Routing :: 857w IP Cannot Ping Device

Jun 27, 2012

I have a spare Cisco 857w that I am playing around with to learn.I managed to reset it to default, upgrade the ios to 12.4 However for the llife of me I cannot ping this device.

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Cisco Switching/Routing :: 3550 - Not Getting Internet As Well As Ping

Feb 19, 2012

We had re-arranged and purchased new public ips and changed with new modem. Following is the new network setup diag
I have started the configuration, but stucks at a point. Current configurations setup and ip assigment is as follows
ISP modem/router(>( Router(>( vlan 10 -, interface vlan 192 ->2950

1)Configured 3550 as layer 3 switch and create a default route to

2) Configured 2 static routes(for 2 vlan range traffic) and one default route to

3) ip pass through is not configured yet, still the public ip is configured at the isp router 
1811 static route configs
Ip route
Ip route
Ip route 
3550 static route config
Ip route
Testing results 1)All  lan communications are working fine(inter vlan also), ping to all  servers from router is getting and ping to outside public ips are  getting from router,but not getting ping from switch 3550 to  and any of the public ips(internet).

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Cisco Switching/Routing :: 2600 - Cannot Ping Outside Router

Oct 25, 2012

I am connecting a 2600 router to an ISP. Interface 0/0 is connected to the ISP using DHCP. Interface 0/1 is connected to the inside providing DHCP services to the inside. At least it should only be providing DHCP services to the inside. I also have a public static IP that is NAT to a private static IP. Everything is working except the computer on the static IP. From the router I am able to ping inside and out from each interface. I am able to ping both interfaces of the router from the computer on the static IP but I cannot ping outside the router. If I do a debug all I see a reject for the gateway of the static IP but it has “mobile IP” in the text string. Not sure what mobile IP is relating to. Networks are as follows:

0/0 DHCP 10.X.X.X
0/1 192x.x.x
Static 75.X.X.X  
no ip dhcp use vrf connected
ip dhcp excluded-address 192.X.X.1
ip dhcp excluded-address 192.X.X.2
ip dhcp pool CLIENT


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Cisco Switching/Routing :: Add N2K To Existing N5K - Can't Ping Devices

Mar 5, 2012

I have several cabinets with top-of-rack N2K's attached to N5K's via FEX's.  9 cabinets with 2 switches each. 
Recently I added 3 more cabinets to the mix, for a total of 12 cabinets with 2 switches each.
I can get into the new switches and see the FEX's and configure ports, etc. but no device I attach to the 'new' N2K's is pingable over the network.  I can take the same device, same cable, and attach it to a legacy N2K talking to the same N5K's, and it immediately joins and is pingable over the network

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Cisco Switching/Routing :: 1841 Able To Ping IPs Of Vlan

May 2, 2013

I am trying to config the following setup in the Cisco 1841. Able to ping the IPs of Vlan1(FE0/0/1), Vlan2 (FE0/0/1) and FE0/1 IPs from corresponding networks. But packets are not flowing to other side.

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Cisco Switching/Routing :: Unable To Ping / SSH To Interface On 3925?

Jan 9, 2013

I just barely put in a Cisco 3925 on our network. I've configured gigabitethernet 0/2 to live on our management VLAN with an IP address of I did a "no shut" on the interface. Everything should be ready to allow me to ping and/or SSH to that interface but I can't. It's really weird because I've done this a thousand times (at least on ASAs). I must be missing something. At any rate, the default gateway of the management VLAN is I can ping that from the router. I can also ping that from my laptop (which lives on a completely different VLAN). But I can't ping the router from my laptop or vice versa.
Building configuration...
Current configuration : 1360 bytes
! Last configuration change at 19:05:13 UTC Thu Jan 10 2013


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Cisco Switching/Routing :: 6509 - Unable To Ping IP In FWSM

Nov 17, 2012

I have a vlan defined in FWSM for server farm there is a one server with two IP addresses and teaming has done on it how ever from FWSM i am able to ping both IP addresses but from core 6509 switch i am only able to ping one ip address. from FWSM show ARP command displays the same virtual mac addresses against both IPS of the same server.

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Cisco Switching/Routing :: 3750 - Can't Ping The Default Gateway

May 3, 2012

This would probably sound like a stupid question but it took at least 2 hours of my time so far. I have a 3750 switch where a router and a server is connected. From the switch I can ping the router and server with no issue (directely connected). But from the server I am not able to ping the router. The router and the server are in the same subnet. The router is configured as the default router for the server. I am not able to ping the server from the router either. Here's the output of the ip route from the router. The server IP address is and the router IP address is is variably subnetted, 8 subnets, 3 masks
C is directly connected, FastEthernet0/0.30
C is directly connected, FastEthernet0/0.20


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Cisco Switching/Routing :: I3560 Switch Getting Ping Delay

Jun 21, 2012

I have 2 Servers connected to same cisco switch i3560 n same L2 VLAN, i ping from Server 1  to Server 2 i got delay 800ms?why is that?

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Cisco Switching/Routing :: 3550-24-PWR Can't Ping Aironet 1231

Oct 30, 2012

I have two 1231G Aironet's that work correctly when I connect them to my Catalyst 3548XL and my 3550-48-XL switches.  When I connect them to the 3550-24-PWR switch I do see them when I issue sh cdp nei det.  It shows me the IP of the wireless router.  But when I ping the Aironet, I do not get any replies. If I plug the Aironet into my 3548XL and ping the IP, I get 5 replies.  Here is the port config on both switches:
     switchporrt trunk encapsulation dot1q
     switchport native vlan 100
     switchport allowed vlan 1,69,100,125,200,1002-1005
     switchport mode trunk
     spanning-tree portfast
Here is the sh cdp nei det results:
     Device ID: North_AP.mtd.home
     Entry address(es):
       IP address:
     Platform: cisco AIR-AP1231G-A-K9    ,  Capabilities: Trans-Bridge
     Interface: FastEthernet0/3,  Port ID (outgoing port): FastEthernet0

I have tried two versions of the IOS on the 3550PWR switch.  Right now its: c3550-ipservices-mz.122-44.SE6

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Cisco Switching/Routing :: Can Ping 881 From UC320w But Cannot Vice Versa

Nov 25, 2012

I have a uc320 and router directly connected and I can ping the router from the 320 but cant ping the other way. As a result I only have SIP traffic working outbound but cant get and calls inbound.

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Cisco Switching/Routing :: 3560x / VPC Peer Not Able To Ping Server

May 28, 2013

The setup I currently have is a server attached via an etherchannel to a 3560x switch, which is connected to a pair of 5548UP's that are connected via vpc. The 5548's both have a single connection to 6500 series switch that does the layer 3 routing, the ports that connect the 5548 to the 6504 are trunk ports. The problem that I am having is that one of the 5548's can ping the server that is connected down stream while the other 5548 can't. While the local switch can ping the server, and other servers on the same switch in the same vlan can ping it as well. The vlan interface I am pinging from on each switch is on the same subnet as the server I am trying to ping. One other thing, Nexus #1 which can ping the sever has the mac address in its mac address table, while Nexus #2 doesn't. However I added the static mac entry to Nexus #2 and that did not allow me ping either.

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Cisco Switching/Routing :: C3560 Swap Out Not Ping Across Network

Jun 17, 2012

Had a switch die over the weekend, a c3560, per our normal procedure I pulled the hardware put a very basic config on it(vlans, portchannel, uplink ports, ip of management vlan, con and vty security, snmp, enable secret, and hostname).  Then I use solarwinds orion to upload a copy of the old config to bring the switch back to the same state as the one that failed.  Its a system that has worked for us 3 or 4 times in the past.  But this time when the base config was on the box it couldnt ping across the network.I have tried clearing the arp cache and the dynamic mac tables, i verified the routing tables and even removed the route and re-added it, saw the routing update go across to the other 65k, tried bouncing the edge switch(i cant bounce the 65k's), took down the po between the edge and 65k.

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Cisco Switching/Routing :: 2 Routers 2611XM No Ping Between Hosts In Each

Mar 18, 2013

I've set up a simple lab network of two cisco routers 2611XM and to each router I've attached a computer (host). I have set up a dhcp ip addresses for each host. I've set up a correct routing as well on each router. There are 3 networks: The first network between the first host and first router, second is between two routers and third is between the second router and second host. If I use first host ( I can ping to any ip address ( (router 1), (router 1), (router 2), (router 2)) except the second host ip address which is When I sit on the second host ( i can ping to (router 1), (router 1), (router 2), (router 2) but i can't ping to the first host which is  I've even tried with attaching a switch to a router and assign it an ip address of and the ping was echoing to it.

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Cisco Switching/Routing :: 2960-S - Can't Telnet / Ping Into Switch

Sep 4, 2012

I have a Cisco 2960-S Switch, It is connected to a jack in the building to check the settings, Interface VLAN 1 has an ip, there is a default gateway, Any host connected to switch can access the network resources. But the problem is that I have to use Serial Cable to configure it. I cant ping or telnet into it from any other device. PC's are on different subnets/VLANS.
Basically this switch is connected to a port in a different switch, Do i have to make a trunk?

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Cisco Switching/Routing :: 1921 / HSRP - Cannot Ping Any Of VLANS

Jul 13, 2012

I have configured HSRP with InterVlan routing. All communication is flowing properly between the vlan's on Router A but when I test failover to Router B I cant ping ANYWHERE. I cannot ping any of the VLANS.

Also, From the primary router I cannot ping any of the interfaces on the secondary router.

I have 2 Cisco 1921 Routers configured for HSRP. Both the G0/1 ports plug into a Cisco 2960S 48 port POE switch (STACKED) (port 1 and port 2 which are trunked and allowing all vlans to pass through. And both of the G0/0 ports are plugged into a Cisco ASA5510.

I have attached a diagram of the setup and the interface configs of the routers.

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Cisco Switching/Routing :: WS-C2960G-8TC-L / Can Ping Gateway But Not The Switch In Between

Jul 4, 2011

Default Gateway of ISP----> Switch------->Router
From my router, I can ping Gateway, however I cant  ping the switch (WS-C2960G-8TC-L) in between.

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Cisco Switching/Routing :: 3560 - Cannot Ping With Large Size

May 17, 2012

I have the Cisco 3560 switch. I can ping both from switch to server or from server to switch. However, I cannot ping with large size, for example,
ping size 10000 (failed all).
I can ping size 5000
(the size allow between <36-18024>)
It's normal or a problem with the cable or something else? Because I have the error about working with MSSQL server 2008 R2, the error is:
[DBNETLIB][Connection Write (send()).]General network error. Check your network documentation 
OS: Microsoft Server 2008 R2 Standard

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Cisco Switching/Routing :: 2811 - Unable To Ping SVI VLAN

Feb 4, 2012

i am stuck in a issue! unable to ping the SVI

i am design a small network for a office.

1 router 2811
1 switch 3750-e

Router is connected to the mpls cloud with ospf.

here re the config.

int fa0/0


i connect my laptop and give ip and default gateway can not ping SVI VLAN 201 ( ?

and from the SWITCH i can not ping the

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Cisco Switching/Routing :: 3560 - Cannot Do Simple Ping Anymore

Jul 5, 2012

A few days ago this was working properly, but I must have changed some things that adjusted some settings because I am unable to ping between 2 devices that are on the same switch, in the same network, in the same VLAN. I am able to ping to the VLAN interface on the switch.
This is my configuration (Catalyst 3560 Layer 3 switch):
ALGSWI01#show vlan
VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active    Gi0/3, Gi0/4, Gi0/7, Gi0/9


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Cisco Switching/Routing :: 2911 - Unable To Ping On Other Device

Sep 20, 2012

I cannot ping and end node on my system from my Cisco 2911. I've tried to configure my computer to ping the device and I am able to. It seems the difference between using my computer and the 2911 is that with my computer I am able to set the default gateway as the end node's ip.

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Cisco Switching/Routing :: 881 - IPsec VPN Tunnels / Ping From Workstations

Sep 25, 2012

We have a number of sites running Cisco 881 routers. A few of the sites are connected by IPSec VPN tunnels that have been configured using Cisco CCP without any issues until now.  On one location I can ping from a workstations on  Site1 to Site2, however I cannot ping from the same workstation on Site2 back to Site1.
Here is a strange behavior.  If I have a continuous ping going from Site1 - Site2 and then start a continuous ping from Site2 - Site1 then I get a response  until I stop the ping from Site1 - Site2.  Site 1 has approximately 5 successful tunnels with absolutely no issues. 
Here is some site specific Info:

Cisco 881 running Version 15.0(1)M7
crypto isakmp policy 1encr 3desauthentication pre-sharegroup 2crypto isakmp key ThePreShareKey address XXX.YYY.ZZZ.232 crypto map SDM_CMAP_1 1 ipsec-isakmp description Tunnel toXXX.YYY.ZZZ.232set peer XXX.YYY.ZZZ.232set transform-set [code]......
Site 2
Cisco 881 running Version 15.2(3)T1  
crypto isakmp policy 2encr 3desgroup 2crypto isakmp key ThePreShareKey address TTT.UUU.VVV.224
For additional troubleshooting I established a VPN tunnel from Site2 to our office Site3 with no issues at all. Site3 happens to be one of the VPN tunnels that connects to Site1 with no issues. I have seen a number of articles on this on the net and gone through the troubleshooting steps of an article such as [URL]. The tunnel is confirmed as up when I have done all my troubleshooting.

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Cisco Switching/Routing :: Ping Loss On Nexus 3k But No Error Under Interface?

Mar 4, 2013

I'm facing a problem regarding loss of ping packets when i do ping test from nexus3k to another nexus3k connected directly.however there is no error counters on the interfaces on both of devices.the ping failutre is occurring only whenever i do ping test with a large number of ping packets.I don't see the ping loss symptom with default ping test (default ping test is 5 packets).
H/W : N3K-C3548P-10G
S/W : 5.0(3)A1(1) 
nexus3k# ping
PING ( 56 data bytes
64 bytes from icmp_seq=0 ttl=254 time=2.732 ms
64 bytes from icmp_seq=0 ttl=254 time=2.732 ms


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