Guys, Thanks for all replies, googling it I came across a link at groupstudy from someone experiencing the same problem before when labbing up CCIE topologies.
http://www.groupstudy.com/archives/ccielab/200701/msg01450.html I think it is a dynamips 'bug/weird behavior' , the way of getting rid of this issue is only disabling CDP, if anyone knows another way out, please let me know. rgs, 2010/8/17 Alessandro Braga <[email protected]> > Jeff, > > use the 'show interface FastEthernet0/0' command on this router (R3) > and see a problem: > > 'duplex mismatch discovered on FastEthernet0/0 ''(not full duplex)'' > <- this interface not operate in fullduplex mode.' > > Att, > AB > > 2010/8/17 Alessandro Braga <[email protected]>: > > Verify duplex and speed configurations on interface, the rule is: > > autoXauto, forcedXforced. If problem not solve, disable cdp. > > > > Att, > > AB > > > > > > > > 2010/8/17 Jeferson Guardia <[email protected]>: > >> Guys, > >> > >> Anyone knows how to solve this on dynamips? (router with lan switch > >> connection) - I thought that setting > >> speed auto would solve it. > >> > >> R3# > >> *Mar 1 00:12:08.323: %SYS-5-CONFIG_I: Configured from console by > console > >> *Mar 1 00:12:10.027: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed > >> state t > >> o up > >> *Mar 1 00:12:11.027: %LINEPROTO-5-UPDOWN: Line protocol on Interface > >> FastEthern > >> et0/0, changed state to up > >> *Mar 1 00:12:23.527: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered > on > >> Fast > >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full > duplex). > >> *Mar 1 00:12:24.079: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered > on > >> Fast > >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full > duplex). > >> *Mar 1 00:12:26.295: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered > on > >> Fast > >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full > duplex). > >> *Mar 1 00:13:10.571: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered > on > >> Fast > >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full > duplex). > >> R3# > >> R3# > >> *Mar 1 00:13:59.455: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered > on > >> Fast > >> Ethernet0/0 (not full duplex), with Router FastEthernet1/3 (full > duplex). > >> > >> > >> Rgs, > >> _______________________________________________ > >> cisco-nsp mailing list [email protected] > >> https://puck.nether.net/mailman/listinfo/cisco-nsp > >> archive at http://puck.nether.net/pipermail/cisco-nsp/ > >> > > > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
