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Cisco 3260 - Ran out of address?

 
 
Sarastra Maya
Guest
Posts: n/a
 
      02-12-2007
Hi,

I have an Internet router (c3260) and for some reason users are not
able to get any ip's off of it anymore. I suspect that I need to
increase the dhcp pool, but thought that I run this by you guys and
see what comes up....

!
version 12.1
no service single-slot-reload-enable
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
!
hostname InternetRouter
!
logging buffered 8192 informational
!
!
!
!
!
clock timezone CST -6
clock summer-time CDT recurring
ip subnet-zero
no ip source-route
ip name-server 204.x.x.10
ip name-server 199.x.x.10
ip name-server 204.x.x.10
ip dhcp excluded-address 192.168.1.1 192.168.1.50
!
ip dhcp pool dhcp-pool
network 192.168.1.0 255.255.255.0
domain-name sprint.net
dns-server 204.x.x.10 199.x.x.10
default-router 192.168.1.1
lease 365
!
ip cef
!
!
!
!
!
interface Null0
no ip unreachables
!
interface Ethernet0/0
ip address 192.168.1.1 255.255.255.0 secondary
ip verify unicast reverse-path
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat inside
ip route-cache flow
no ip mroute-cache
half-duplex
no cdp enable
!
interface Serial0/0
ip address 144.x.x.182 255.255.255.252
ip access-group 101 in
ip verify unicast reverse-path
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat outside
rate-limit output access-group 105 1536000 512000 786000 conform-
action transmit exceed-action drop
no ip route-cache
no ip mroute-cache
no cdp enable
!
ip nat translation port-timeout tcp 500 never
ip nat inside source list 1 interface Serial0/0 overload
ip classless
ip route 0.0.0.0 0.0.0.0 144.x.x.181
ip route 10.0.0.0 255.255.255.252 Null0
no ip http server
!
access-list 1 permit 192.168.1.0 0.0.0.255
access-list 101 deny ip host 0.0.0.0 any log
access-list 101 deny ip 10.0.0.0 0.255.255.255 any log
access-list 101 deny ip 192.168.0.0 0.0.255.255 any log
access-list 101 permit ip any any
access-list 105 permit icmp any any echo-reply log
no cdp run
!
end

 
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Doan
Guest
Posts: n/a
 
      02-12-2007
On 12 Feb 2007, Sarastra Maya wrote:

> Hi,
>
> I have an Internet router (c3260) and for some reason users are not
> able to get any ip's off of it anymore. I suspect that I need to
> increase the dhcp pool, but thought that I run this by you guys and
> see what comes up....
>
> !
> version 12.1
> no service single-slot-reload-enable
> service timestamps debug datetime msec localtime show-timezone
> service timestamps log datetime msec localtime show-timezone
> service password-encryption
> !
> hostname InternetRouter
> !
> logging buffered 8192 informational
> !
> !
> !
> !
> !
> clock timezone CST -6
> clock summer-time CDT recurring
> ip subnet-zero
> no ip source-route
> ip name-server 204.x.x.10
> ip name-server 199.x.x.10
> ip name-server 204.x.x.10
> ip dhcp excluded-address 192.168.1.1 192.168.1.50
> !
> ip dhcp pool dhcp-pool
> network 192.168.1.0 255.255.255.0
> domain-name sprint.net
> dns-server 204.x.x.10 199.x.x.10
> default-router 192.168.1.1
> lease 365
> !
> ip cef
> !
> !
> !
> !
> !
> interface Null0
> no ip unreachables
> !
> interface Ethernet0/0
> ip address 192.168.1.1 255.255.255.0 secondary
> ip verify unicast reverse-path
> no ip redirects
> no ip unreachables
> no ip proxy-arp
> ip nat inside
> ip route-cache flow
> no ip mroute-cache
> half-duplex
> no cdp enable
> !
> interface Serial0/0
> ip address 144.x.x.182 255.255.255.252
> ip access-group 101 in
> ip verify unicast reverse-path
> no ip redirects
> no ip unreachables
> no ip proxy-arp
> ip nat outside
> rate-limit output access-group 105 1536000 512000 786000 conform-
> action transmit exceed-action drop
> no ip route-cache
> no ip mroute-cache
> no cdp enable
> !
> ip nat translation port-timeout tcp 500 never
> ip nat inside source list 1 interface Serial0/0 overload
> ip classless
> ip route 0.0.0.0 0.0.0.0 144.x.x.181
> ip route 10.0.0.0 255.255.255.252 Null0
> no ip http server
> !
> access-list 1 permit 192.168.1.0 0.0.0.255
> access-list 101 deny ip host 0.0.0.0 any log
> access-list 101 deny ip 10.0.0.0 0.255.255.255 any log
> access-list 101 deny ip 192.168.0.0 0.0.255.255 any log
> access-list 101 permit ip any any
> access-list 105 permit icmp any any echo-reply log
> no cdp run
> !
> end
>
>

First thing, why do you want the length of the lease to be 365 days???
Second, you can do a "sh ip dchp bind" to see what ip are being used.

Doan


 
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Sarastra Maya
Guest
Posts: n/a
 
      02-12-2007
On Feb 12, 4:07 pm, Doan <d...@usc.edu> wrote:
> On 12 Feb 2007, Sarastra Maya wrote:
>
>
>
>
>
> > Hi,

>
> > I have an Internet router (c3260) and for some reason users are not
> > able to get any ip's off of it anymore. I suspect that I need to
> > increase the dhcp pool, but thought that I run this by you guys and
> > see what comes up....

>
> > !
> > version 12.1
> > no service single-slot-reload-enable
> > service timestamps debug datetime msec localtime show-timezone
> > service timestamps log datetime msec localtime show-timezone
> > service password-encryption
> > !
> > hostname InternetRouter
> > !
> > logging buffered 8192 informational
> > !
> > !
> > !
> > !
> > !
> > clock timezone CST -6
> > clock summer-time CDT recurring
> > ip subnet-zero
> > no ip source-route
> > ip name-server 204.x.x.10
> > ip name-server 199.x.x.10
> > ip name-server 204.x.x.10
> > ip dhcp excluded-address 192.168.1.1 192.168.1.50
> > !
> > ip dhcp pool dhcp-pool
> > network 192.168.1.0 255.255.255.0
> > domain-name sprint.net
> > dns-server 204.x.x.10 199.x.x.10
> > default-router 192.168.1.1
> > lease 365
> > !
> > ip cef
> > !
> > !
> > !
> > !
> > !
> > interface Null0
> > no ip unreachables
> > !
> > interface Ethernet0/0
> > ip address 192.168.1.1 255.255.255.0 secondary
> > ip verify unicast reverse-path
> > no ip redirects
> > no ip unreachables
> > no ip proxy-arp
> > ip nat inside
> > ip route-cache flow
> > no ip mroute-cache
> > half-duplex
> > no cdp enable
> > !
> > interface Serial0/0
> > ip address 144.x.x.182 255.255.255.252
> > ip access-group 101 in
> > ip verify unicast reverse-path
> > no ip redirects
> > no ip unreachables
> > no ip proxy-arp
> > ip nat outside
> > rate-limit output access-group 105 1536000 512000 786000 conform-
> > action transmit exceed-action drop
> > no ip route-cache
> > no ip mroute-cache
> > no cdp enable
> > !
> > ip nat translation port-timeout tcp 500 never
> > ip nat inside source list 1 interface Serial0/0 overload
> > ip classless
> > ip route 0.0.0.0 0.0.0.0 144.x.x.181
> > ip route 10.0.0.0 255.255.255.252 Null0
> > no ip http server
> > !
> > access-list 1 permit 192.168.1.0 0.0.0.255
> > access-list 101 deny ip host 0.0.0.0 any log
> > access-list 101 deny ip 10.0.0.0 0.255.255.255 any log
> > access-list 101 deny ip 192.168.0.0 0.0.255.255 any log
> > access-list 101 permit ip any any
> > access-list 105 permit icmp any any echo-reply log
> > no cdp run
> > !
> > end

>
> First thing, why do you want the length of the lease to be 365 days???
> Second, you can do a "sh ip dchp bind" to see what ip are being used.
>
> Doan- Hide quoted text -
>
> - Show quoted text -


Why 365? Because this router is strictly for Internet access
(bypassing proxies), for better reasons, some users "work" aren't too
kin on proxies.
show ip dhcp binding - I did see a lot of binding going on there. I
would assume that is the reason why you won't recommend keeping the
lease for that long. So, I cleared the binding on the dhcp: clear ip
dhcp binding *.

And that seems to fix it. Although, I highly doubt that this problem
will go away forever. Thus, back to my initial question..........Does
increasing the pool help in this situation?

 
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Doan
Guest
Posts: n/a
 
      02-13-2007
On 12 Feb 2007, Sarastra Maya wrote:

> On Feb 12, 4:07 pm, Doan <d...@usc.edu> wrote:
> > On 12 Feb 2007, Sarastra Maya wrote:
> >
> >
> >
> >
> >
> > > Hi,

> >
> > > I have an Internet router (c3260) and for some reason users are not
> > > able to get any ip's off of it anymore. I suspect that I need to
> > > increase the dhcp pool, but thought that I run this by you guys and
> > > see what comes up....

> >
> > > !
> > > version 12.1
> > > no service single-slot-reload-enable
> > > service timestamps debug datetime msec localtime show-timezone
> > > service timestamps log datetime msec localtime show-timezone
> > > service password-encryption
> > > !
> > > hostname InternetRouter
> > > !
> > > logging buffered 8192 informational
> > > !
> > > !
> > > !
> > > !
> > > !
> > > clock timezone CST -6
> > > clock summer-time CDT recurring
> > > ip subnet-zero
> > > no ip source-route
> > > ip name-server 204.x.x.10
> > > ip name-server 199.x.x.10
> > > ip name-server 204.x.x.10
> > > ip dhcp excluded-address 192.168.1.1 192.168.1.50
> > > !
> > > ip dhcp pool dhcp-pool
> > > network 192.168.1.0 255.255.255.0
> > > domain-name sprint.net
> > > dns-server 204.x.x.10 199.x.x.10
> > > default-router 192.168.1.1
> > > lease 365
> > > !
> > > ip cef
> > > !
> > > !
> > > !
> > > !
> > > !
> > > interface Null0
> > > no ip unreachables
> > > !
> > > interface Ethernet0/0
> > > ip address 192.168.1.1 255.255.255.0 secondary
> > > ip verify unicast reverse-path
> > > no ip redirects
> > > no ip unreachables
> > > no ip proxy-arp
> > > ip nat inside
> > > ip route-cache flow
> > > no ip mroute-cache
> > > half-duplex
> > > no cdp enable
> > > !
> > > interface Serial0/0
> > > ip address 144.x.x.182 255.255.255.252
> > > ip access-group 101 in
> > > ip verify unicast reverse-path
> > > no ip redirects
> > > no ip unreachables
> > > no ip proxy-arp
> > > ip nat outside
> > > rate-limit output access-group 105 1536000 512000 786000 conform-
> > > action transmit exceed-action drop
> > > no ip route-cache
> > > no ip mroute-cache
> > > no cdp enable
> > > !
> > > ip nat translation port-timeout tcp 500 never
> > > ip nat inside source list 1 interface Serial0/0 overload
> > > ip classless
> > > ip route 0.0.0.0 0.0.0.0 144.x.x.181
> > > ip route 10.0.0.0 255.255.255.252 Null0
> > > no ip http server
> > > !
> > > access-list 1 permit 192.168.1.0 0.0.0.255
> > > access-list 101 deny ip host 0.0.0.0 any log
> > > access-list 101 deny ip 10.0.0.0 0.255.255.255 any log
> > > access-list 101 deny ip 192.168.0.0 0.0.255.255 any log
> > > access-list 101 permit ip any any
> > > access-list 105 permit icmp any any echo-reply log
> > > no cdp run
> > > !
> > > end

> >
> > First thing, why do you want the length of the lease to be 365 days???
> > Second, you can do a "sh ip dchp bind" to see what ip are being used.
> >
> > Doan- Hide quoted text -
> >
> > - Show quoted text -

>
> Why 365? Because this router is strictly for Internet access
> (bypassing proxies), for better reasons, some users "work" aren't too
> kin on proxies.
> show ip dhcp binding - I did see a lot of binding going on there. I
> would assume that is the reason why you won't recommend keeping the
> lease for that long. So, I cleared the binding on the dhcp: clear ip
> dhcp binding *.
>
> And that seems to fix it. Although, I highly doubt that this problem
> will go away forever. Thus, back to my initial question..........Does
> increasing the pool help in this situation?
>

How many users are you supporting?

BTW, instead of leasing for 365 days, why not just assign static ip's?

Doan

 
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Sarastra Maya
Guest
Posts: n/a
 
      02-27-2007
Okay. I did some requirements gathering and it turns out that I DID
NOT need 365 days lease. So, reducing that to about every 30 days work
out just fine.

I guess I was over analyzing/troubleshooting this simple issue.

Thanks guys!

 
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