If you're seeing carrier-sens or alignment errors things like duplex could be the issue. Most common issue is cable crimp or continuity on the line.
These will show up with input errors, etc. On Fri, Oct 30, 2009 at 10:30 AM, Nick Huanca <[email protected]>wrote: > show int gi0/21 cou err > > This could show if there are any errors and what type they are. > > On Fri, Oct 30, 2009 at 10:23 AM, Jason Hensley <[email protected]>wrote: > >> Don't know that there's much more you could get from this other than just >> up/down. Seems like a strong possibility of a bad cable to me, but of >> course, many other possibilities. >> >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of Bob Moldashel >> Sent: Friday, October 30, 2009 9:14 AM >> To: WISPA General List >> Subject: [WISPA] OT Question.... >> >> Sorry guys. I know its a little OT but I am the RF guy, not the network >> guy. But its kind of on topic because its connected to a wireless link. >> :-) >> >> What does this tell everybody??? Its from a Cisco 2960 switch. >> >> Oct 27 08:12:18.407 EST: %LINEPROTO-5-UPDOWN: Line protocol on Interface >> GigabitEthernet0/21, changed state to down >> Oct 27 08:12:19.455 EST: %LINK-3-UPDOWN: Interface GigabitEthernet0/21, >> changed state to down >> Oct 27 13:52:16.606 EST: %LINK-3-UPDOWN: Interface GigabitEthernet0/21, >> changed state to up >> Oct 27 13:52:18.661 EST: %LINEPROTO-5-UPDOWN: Line protocol on Interface >> GigabitEthernet0/21, changed state to up >> Oct 27 14:15:10.273 EST: %LINEPROTO-5-UPDOWN: Line protocol on Interface >> GigabitEthernet0/21, changed state to down >> Oct 27 14:15:11.314 EST: %LINK-3-UPDOWN: Interface GigabitEthernet0/21, >> changed state to down >> Oct 27 16:26:29.667 EST: %LINK-3-UPDOWN: Interface GigabitEthernet0/21, >> changed state to up >> >> >> I know the gig port is going up and down but does it tell you anything >> else? >> >> Tnx. >> >> -B- >> >> -B- >> >> >> >> ---------------------------------------------------------------------------- >> ---- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> >> ---------------------------------------------------------------------------- >> ---- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > > -- > Nick Huanca > Inside Plant Manager > > GAW High-Speed Internet > 1 Pearson Way > Suite 100 > Enfield, CT 06082 > > [office] (877) 5-GET-GAW (877.543.8429) x214 > [direct] (413) 203-4910 > [mobile] (413) 570-0120 > www.gaw.com > --- > PRIVACY AND CONFIDENTIALITY NOTICE: This communication and any files > transmitted with it are for the sole use of the intended recipient(s) and > may contain confidential, proprietary and/or legally privileged or protected > information. If you believe you have received this communication in error, > please immediately reply to the sender and delete this message. Any use, > disclosure, retransmission, distribution, copying, or taking of any action > based on this information by any person or entity other than the intended > recipient is strictly prohibited and may be unlawful. Because e-mail can be > altered electronically, the integrity of this communication cannot be > guaranteed. > -- Nick Huanca Inside Plant Manager GAW High-Speed Internet 1 Pearson Way Suite 100 Enfield, CT 06082 [office] (877) 5-GET-GAW (877.543.8429) x214 [direct] (413) 203-4910 [mobile] (413) 570-0120 www.gaw.com --- PRIVACY AND CONFIDENTIALITY NOTICE: This communication and any files transmitted with it are for the sole use of the intended recipient(s) and may contain confidential, proprietary and/or legally privileged or protected information. If you believe you have received this communication in error, please immediately reply to the sender and delete this message. Any use, disclosure, retransmission, distribution, copying, or taking of any action based on this information by any person or entity other than the intended recipient is strictly prohibited and may be unlawful. Because e-mail can be altered electronically, the integrity of this communication cannot be guaranteed. -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
