From: Rodgers Moore (rodgers@xxxxxxxxxxxxxx)
Date: Tue Apr 03 2001 - 01:23:12 GMT-3
Ron,
Type out the commands in notepad, like a script, and then paste them to the
router. The paste buffer won't timeout like us humans. Like Thus:
!start
cisco
!
enable
cisco
config t
line con 0
exec-time 0 0
line vty 0 4
exec-time 0 0
end
wr mem
!end
Rodgers Moore
"Ron Z." wrote:
> Hi, Guys,
>
> This question may be too simple for you, but I don't know. I'm playing with
> troubleshooting. If the "exec-timeout 0 1" is set up on "line 0", "line vty
> 0 4", "line aux 0", it is impossible for me do disable "exec-timeout 0 1"
> within one second. I think about using the same procedures for password
> recovery. But there may be some other short-cut to do it. Is there anybody
> know this trick?
>
> Thanks in advance,
>
> Ron
>
> ----- Original Message -----
> From: Shawn Bowen <shawn@bowen.com>
> To: 'tom cheung' <tkc9789@hotmail.com>; <ccielab@groupstudy.com>
> Sent: Monday, April 02, 2001 10:37 PM
> Subject: RE: Proxy ARP
>
> > According to Cisco IDRP uses Router-Advertisement and Router-Solicitation
> > messages to discover the addresses of routers on directly attached
> subnets.
> > Each router periodically multicasts Router-Advertisement messages from
> each
> > of its interfaces. Hosts then discover addresses of routers on directly
> > attached subnets by listening for these messages. Hosts can use
> > Router-Solicitation messages to request immediate advertisements rather
> than
> > waiting for unsolicited messages.
> > IRDP offers several advantages over other methods of discovering addresses
> > of neighboring routers. Primarily, it does not require hosts to recognize
> > routing protocols, nor does it require manual configuration by an
> > administrator.
> > Router-Advertisement messages enable hosts to discover the existence of
> > neighboring routers, but not which router is best to reach a particular
> > destination. If a host uses a poor first-hop router to reach a particular
> > destination, it receives a Redirect message identifying a better choice.
> > Shawn
> >
> > -----Original Message-----
> > From: tom cheung [mailto:tkc9789@hotmail.com]
> > Sent: Monday, April 02, 2001 7:46 PM
> > To: ccielab@groupstudy.com
> > Subject: RE: Proxy ARP
> >
> > What about IRDP? How would one set up a Windows client without a default
> > gateway and take advantage of IRDP?
> >
> >
> > >From: "Pickell, Aaryn" <Aaryn.Pickell@getronics.com>
> > >Reply-To: "Pickell, Aaryn" <Aaryn.Pickell@getronics.com>
> > >To: "'Bowen, Shawn'" <sbowen@neteffectcorp.com>, Tariq Sharif
> > ><tariq_sharif@btinternet.com>, "Ccielab@Groupstudy. Com"
> > ><ccielab@groupstudy.com>
> > >Subject: RE: Proxy ARP
> > >Date: Mon, 2 Apr 2001 19:23:05 -0400
> > >
> > >Proxy arp is also useful when you have your subnet masks misconfigured.
> > >Say, for example, the router has two /24 segments attached. If there is
> a
> > >host configured with a /23 instead, it will try arping for addresses
> which
> > >are not actually directly connected. The router will respond with its
> own
> > >MAC and then forward the traffic.
> > >
> > >They use this in access servers as well. Assume a large modem bank on an
> > >AS5300, with a bunch of users dialing in. Each of these users is given
> an
> > >address from the segment that's attached to the ethernet segment. When
> > >hosts actually on that ethernet wish to talk to the dial-in users, they
> > >believe them to be directly connected, so they arp. The AS5300 will
> > >respond
> > >with its own MAC and forward the packets correctly.
> > >
> > >Aaryn Pickell - CCNP, CCDP, MCSE
> > >Senior Engineer - Routing Protocols
> > >Getronics Inc.
> > >Direct: 713-394-1609
> > >Email:aaryn.pickell@getronics.com
> > >
> > >
> > > > -----Original Message-----
> > > > From: Bowen, Shawn [mailto:sbowen@neteffectcorp.com]
> > > > Sent: Monday, April 02, 2001 5:50 PM
> > > > To: Tariq Sharif; Ccielab@Groupstudy. Com
> > > > Subject: RE: Proxy ARP
> > > >
> > > >
> > > > With Microsoft clients there is a way to "Set all segments as
> > > > local" so to
> > > > speak, I forget how off the top of my head but this will work
> > > > as well. Now
> > > > as to proxy ARP, the workstation, be it Unix or Microsoft looks at the
> > > > destination IP and compares it's own IP and MASK to see if it
> > > > is local, if
> > > > it is then it will be encapsulated in an Ethernet (or whatever other
> > > > topology you are using) frame and then put on the wire, if
> > > > the destination
> > > > network is on a different segment then your machine will not
> > > > know what to do
> > > > with it unless there is a default gateway setup (or you set
> > > > "all subnets
> > > > local"). This is why you are seeing this; it is perfectly
> > > > normal in the
> > > > Unix, Novell, and Windows world.
> > > >
> > > > As another example. With a Microsoft dial-up
> > > > networking setup you
> > > > set it to obtain it's address automatically, sometime do a
> > > > "winipcfg" on
> > > > 95/98 or an ipconfig /all in NT and check out your IP and
> > > > Default gateway,
> > > > they will normally be the same, this is because the ISP is
> > > > doing proxy arp
> > > > and the machine then knows to send ALL traffic to the
> > > > interface as local
> > > > traffic, the router will deal with the rest.
> > > >
> > > > Shawn
> > > >
> > > > -----Original Message-----
> > > > From: Tariq Sharif [mailto:tariq_sharif@btinternet.com]
> > > > Sent: Monday, April 02, 2001 6:31 PM
> > > > To: Ccielab@Groupstudy. Com
> > > > Subject: Proxy ARP
> > > >
> > > > In Doyle's TCP/IP book (page 69-70) & in other text there is
> > > > about Proxy
> > > > ARP. Says that hosts without any default gateway can be issue
> > > > ARP & LAN
> > > > router (knowing where the destination is) will issue PROXY
> > > > ARP reply. So the
> > > > local host (without default gateway) can reach remote hosts.
> > > > I can't see
> > > > this working with NT 4 or Win 95 unless I assign the PCs own
> > > > address as its
> > > > default gateway. My question is, do Unix clients behave the same as
> > > > Microsoft clients? If so, what am I missing?
> > > >
> > > >
> > > > Many thanks & regards.
> > > >
> > > > Tariq Sharif
> > > >
> > > > [demime 0.98b removed an attachment of type
> > > > application/ms-tnef which had a
> > > > name of winmail.dat]
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