I have upgraded from the Router to 1721 with ADSL modules from 1710 and the IOS is graded from 12.3(7)T11 to 12.4(1a).
However, once upgraded the IPSec did not work. The tunnel is established and I can ping the destination gateway but I cannnot ping any machine to remote. The configure file is the same and it works before. Any changes in latest IOS 12.4. Please advice. Thanks.
just a thought, but how did you put the old config on the new router ? Keep in mind that cut & paste sometimes can screw up the passwors and encryption keys, you might want to try and reenter them manually...
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...