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Cisco Router Cannot Ping Its Own Up Interface


Management VLAN is 32. Why is looping over find's output bad practice? more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science Check the firewall for ICMP restrictions. navigate here

Exciting Jobs Using Cisco Technology Cisco TAC Job Openings Create Your IT Career Create Your IT Career Create Your Career Toolkit & Webinars Internet of Things Webinar Series Women in Networking Vlan2 was somehow removed in a previous lab setup, leaving vlan1 with fa0/1-0/30 - 0/41-48 with ports 31-40 missing in vlan1. If it is administratively down, type 'config t' [configure terminal], then 'int vlan 50' [interface vlan 50], and finally type 'no shutdown'. When I change the host ip to I can then ping the .76 switch but not the .77.I've set icmp and everything to allow full passage.Can anyone offer suggestions? More Bonuses

Cisco Router Cannot Ping Its Own Up Interface

The switch has no VLAN's on it except the default VLAN1. I added the ports back into vlan1 and all is well. Thank you for the responses. If it is a trunk, make sure the encapsulation is the same on both ends (dynamic desireable should work on the 3550 if the 2900 is similarly configured).Darrell See More 1

Did you rebooted the swith? share|improve this answer answered Aug 28 '15 at 1:49 Ron Maupin♦ 25.8k41947 Thanks Ron. The time now is 03:51 PM. - CSS version TechExams.Net is not sponsored by, endorsed by or affiliated with Cisco Systems, Inc. Michele Bergonzoni - Laboratori Guglielmo Marconi S.p.a.

much appreciated. Cisco Router Can't Ping Own Interface See More 1 2 3 4 5 Overall Rating: 5 (1 ratings) Log in or register to post comments ankurbhasin Fri, 05/19/2006 - 06:44 Hi Friend,As Atif updated your layer 3 Please try this.Your PC Switch 1int vlan1ip address shutYour switch 2int vlan1ip address shutConnect PC into any VLAN 1 portRegards Conwyn Like Show 0 Likes https://community.spiceworks.com/topic/778814-cisco-3750-can-t-ping-itself How much time would it take for a planet scale Miller-Urey experiment to generate intelligent life How to make my logo color look the same in Web & Print?

Sending 5, 100-byte ICMP Echos to, timeout is 2 seconds: .... We can reach and login to the 3550 from the 6509. ! maybe when the power failed it got messed up when it was loading. As you finish projects in Quip, the work remains, easily accessible to all team members, new and old. - Increase transparency - Onboard new hires faster - Access from mobile/offline Try

Cisco Router Can't Ping Own Interface

Re: Host can't ping own switch or trunked switch 2900xl Conwyn May 21, 2009 6:57 AM (in response to Chris Myers) Hi ChrisThe 2900 are switches so can not route between Use PRTG Network Monitor as one of the building blocks, to detect unusual… Security Vulnerabilities Paessler Networking Internet of Things What is an Application Delivery Controller (ADC)? Cisco Router Cannot Ping Its Own Up Interface but ICAN'T ping from the switch to the loopback of either router, or from either router to the loopback of the other router.MY CONCLUSION, something (aside from opening up complete TRUST Vlan Line Protocol Is Down I did clikc on STAR.Why no button for accept solution?

Last edited by Forsaken_GA; 05-20-2012 at 05:01 PM. http://homeshareware.com/cannot-ping/cannot-ping-gateway.html With this setup, the switch can successfully ping PC1. Those same VLANs are trunked from the 2950 to the 3550. ! <-------3550-------> All devices including the 3550 itself are reachable. ! You can't get from one layer-2 domain to another without a layer-3 device (router) connecting them.

Either should get the vlan to come to an "Up" status.  Yes, thanks I'm proud of my Alma Mater.That worked!  I don't understand why though.  Can you break it down for Join the community Back I agree Powerful tools you need, all for free. Try this:Switch# config tSwitch(config)# int vlan 1Switch(config-if)# no shutSwitch(config-if)#exitTry pinging now, it should work. http://homeshareware.com/cannot-ping/cannot-ping-cisco-switch-from-pc.html Since the devices can't even ping each other when they're supposedly in the same vlan, that tells me that you don't have layer 2 adjacency, because routing isn't involved yet.

For devices in different subnets to speak to each other there has to be a layer 3 device between them, i.e. Suggested Solutions Title # Comments Views Activity DHCP snooping on Cisco switch dropping all DHCP traffic 5 32 33d Internet bottleneck? 11 56 33d Link Aggregation 2 20 18d Route Summarization Or is this just a first step setting?I have heard that some routers start with everything protected and blocked, such as the SRX, and some start wide open, like maybe an

From a host (IP, SubMas, no gateway) either in default VLAN or VLAN2 I can't ping either switch.

Tips on how to secure IoT devices, even the dumbest ones, so they can't be used as part of a DDoS botnet. Options Mark as New Bookmark Subscribe Subscribe to RSS Feed Highlight Print Email to a Friend Report Inappropriate Content ‎05-24-2015 09:29 AM Set security policy default-policy permit allCommit Thanks,SurajPlease Mark My I am stumped. Processor board ID FHK0636W1CR Last reset from system-reset Running Standard Image 24 FastEthernet/IEEE 802.3 interface(s) 32K bytes of flash-simulated non-volatile configuration memory.

I would understand if another PC on a different VLAN couldn't ping PC1, but I would think that the switch could ping either. Nothing. 0 LVL 1 Overall: Level 1 Message Expert Comment by:DColclazier2011-03-09 Comment Utility Permalink(# a35084727) Any chance you're having an IP conflict? Isn't the switch itself essentially a 'trunk'? weblink We have a Cisco WS-C2950T-24 that was working fine until we changed the device it is directly connected to for its uplink.

I reset the time on 5-2-2015, 7:10pm */system { host-name JunipEX22cSW1; domain-name rhcrco.int; time-zone America/Los_Angeles; root-authentication { encrypted-password "$1$.Kwy3nB8$IHVTgcWgqqjRo97tjOorj1"; ## SECRET-DATA } name-server {;;;; } login { Join the community of 500,000 technology professionals and ask your questions.

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