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Cisco 2960L-24TS-LL switches issue

kummithibharath
Level 1
Level 1

Hi Team,

We are getting 169 series ip from last few months, we a have tried all ways to clear authentication cache etc. how ever issue still not resolved, please suggest.

 

 

Bharath

18 Replies 18

sorry I could not get what you want?

kummithibharath
Level 1
Level 1

we are having cisco 2960 L series switches few switches are working normal and with out no issue.

Few switches are distributing 169***** series ips instead of 172 series.

balaji.bandi
Hall of Fame
Hall of Fame

169.254.X.X LINKLOCAL network addresses 

can you post show IP arp - also give us what version IOS code running.

BB

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kummithibharath
Level 1
Level 1

172.21.42.30 1c69.7a98.1d6e 1 GigabitEthernet0/20 30 ACTIVE ARP
172.21.61.10 94c6.913b.4431 1 GigabitEthernet0/23 30 ACTIVE ARP
172.21.42.28 1c69.7a98.1a83 1 GigabitEthernet0/18 30 ACTIVE ARP
172.21.61.21 0068.ebc4.ceb6 1 GigabitEthernet0/13 30 ACTIVE ARP
172.21.42.11 0068.ebc5.d987 1 GigabitEthernet0/9 30 ACTIVE ARP
172.21.42.10 f44d.30bf.bb44 1 GigabitEthernet0/11 30 ACTIVE ARP
172.21.61.30 1c69.7a94.b5bb 1 GigabitEthernet0/23 30 ACTIVE ARP
172.21.42.8 b00c.d1bf.c632 1 GigabitEthernet0/24 30 ACTIVE ARP
172.21.61.24 2880.2311.66b8 1 GigabitEthernet0/14 30 ACTIVE ARP
172.21.42.15 0068.ebc4.cf19 1 GigabitEthernet0/19 30 ACTIVE ARP
172.21.61.25 f44d.30bf.b658 1 GigabitEthernet0/5 30 ACTIVE ARP
172.21.42.49 f44d.30bf.c720 1 GigabitEthernet0/22 30 ACTIVE ARP
172.21.42.54 f44d.30bf.b8ab 1 GigabitEthernet0/13 30 ACTIVE ARP
172.21.42.39 0068.ebc4.ce79 1 GigabitEthernet0/23 30 ACTIVE ARP
172.21.42.37 1c69.7a98.1c9b 1 GigabitEthernet0/13 30 ACTIVE ARP
172.21.42.43 f44d.30bf.bee7 1 GigabitEthernet0/15 30 ACTIVE ARP
172.21.42.41 1c69.7a93.0d53 1 GigabitEthernet0/10 30 ACTIVE ARP
172.21.42.40 1c69.7a94.b15e 1 GigabitEthernet0/22 30 ACTIVE ARP
172.21.42.46 0068.ebc5.dd3a 1 GigabitEthernet0/24 30 ACTIVE ARP
169.254.33.162 0068.ebc4.ce89 1 GigabitEthernet0/5 30 ACTIVE ARP

 

 

 

Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 28 WS-C2960L-24TS-LL 15.2(7)E6 C2960L-UNIVERSALK9-M

 

 

if this is only then i would go physically check what device is connected to this port - and fix the IP information (this may cause malfunction of Interface cards sometimes I have observed)

169.254.33.162 0068.ebc4.ce89 1 GigabitEthernet0/5 30 ACTIVE ARP

0068.ebc4.ce89  - Look for me HP device as per first 0068:EB

BB

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firest this 169.x.x.x IP is assign to PC that can not get it IP from DHCP. 
there is issue in your DHCP server or DHCP local pool

We have reconfigured the DHCP configuration of the branch post DHCP configuration also not taking DHCP ip while we are assigning static ip pc is running smoothly.

Yes, workaround is manually config the IP
what is issue with DHCP ?

there is no issue with DHCP but i cant understand why it is taking 169 series IP

friend, 
issue with DHCP but I couldnot help you if you not provide me more detail 

Maybe we need to see more configurations here to suggest best.

We have reconfigured the DHCP configuration of the branch post DHCP configuration   - show us the configuration.

 

BB

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HITACHI-ARODARTR01#
ip dhcp pool ARODA
network 172.21.58.96 255.255.255.224
default-router 172.21.58.97
option 150 ip 172.16.17.38 172.17.17.38
dns-server 172.16.4.162 172.16.4.161 172.17.4.162
lease infinite

ip dhcp excluded-address 172.21.58.97 172.21.58.102
ip dhcp excluded-address 172.21.58.124 172.21.58.126

lease infinite <<- 
this can be issue 
can I see 

show ip dhcp server

kummithibharath
Level 1
Level 1

HITACHI-ARODARTR01#sh ip dhcp server ?
odap-statistics DHCP ODAP statistics
statistics DHCP server statistics

 

Which one required ?

 

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