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Switching Issue

Posted on 2014-01-14
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Last Modified: 2014-01-14
How can a vlan be in a down down state?



also, the vlan subnet is not showing up in the show ip route command.  Any ideals?


Switch config

interface Vlan2
 description users
 ip address 10.107.203.129 255.255.255.128
 ip helper-address 10.106.173.10
!
!
router eigrp 1
 network 10.106.158.112 0.0.0.3
 network 10.107.203.128 0.0.0.127
 redistribute connected
 eigrp stub connected summary



sho ip route output

Codes: L - local, C - connected, S - static, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2
       i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
       ia - IS-IS inter area, * - candidate default, U - per-user static route
       o - ODR, P - periodic downloaded static route, H - NHRP, l - LISP
       + - replicated route, % - next hop override

Gateway of last resort is 10.106.158.114 to network 0.0.0.0

S*    0.0.0.0/0 [1/0] via 10.106.158.114
      10.0.0.0/8 is variably subnetted, 373 subnets, 10 masks
D EX     10.16.8.0/22
           [170/284160] via 10.106.158.114, 04:54:25, GigabitEthernet1/0/1
D EX     10.16.11.0/24
           [170/284160] via 10.106.158.114, 04:54:25, GigabitEthernet1/0/1
D EX     10.104.128.0/24
           [170/284160] via 10.106.158.114, 04:54:25, GigabitEthernet1/0/1
D EX     10.104.130.0/24
           [170/284160] via 10.106.158.114, 04:54:25, GigabitEthernet1/0/1
D EX     10.104.132.0/24
           [170/284160] via 10.106.158.114, 04:54:26, GigabitEthernet1/0/1
D EX     10.104.134.0/24

Show ip int brief output

sh ip int brie
Interface              IP-Address      OK? Method Status                Protocol

Vlan1                  unassigned      YES NVRAM  administratively down down

Vlan2                  10.107.203.129  YES manual down                  down

GigabitEthernet0/0     unassigned      YES unset  down                  down

GigabitEthernet1/0/1   10.106.158.113  YES NVRAM  up                    up
0
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Question by:Evolutionzz
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4 Comments
 
LVL 9

Expert Comment

by:gt2847c
ID: 39781122
Did you create the vlan on the switch, or just create the interface?

do:
show vlan brief

Open in new window

and see if Vlan2 shows up.

If not, you need to create (name) the vlan:

#config t
(config)#vlan 2
(config-vlan)#name myvlan
(config-vlan)#end
#

Open in new window


That will create the vlan and should allow the interface to up/up.
0
 

Author Comment

by:Evolutionzz
ID: 39781139
I got the int partially up.  Why is the method TFTP?  Shouldn't it be NVRAM?  And the subnet is still not showing up in the routing table.

Show ip int brief output

sho ip int brief
Interface              IP-Address      OK? Method Status                Protocol

Vlan1                  unassigned      YES TFTP   administratively down down

Vlan2                  10.107.203.129  YES TFTP   up                    down

GigabitEthernet0/0     unassigned      YES unset  down                  down

GigabitEthernet1/0/1   10.106.158.113  YES NVRAM  up                    up





sho vlan

VLAN Name                             Status    Ports
---- -------------------------------- --------- -------------------------------
1    default                          active
2    users                            active    Gi1/0/2, Gi1/0/3, Gi1/0/4
                                                Gi1/0/5, Gi1/0/6, Gi1/0/7
                                                Gi1/0/8, Gi1/0/9, Gi1/0/10
                                                Gi1/0/11, Gi1/0/12, Gi1/0/13
                                                Gi1/0/14, Gi1/0/15, Gi1/0/16
                                                Gi1/0/17, Gi1/0/18, Gi1/0/19
                                                Gi1/0/20, Gi1/0/21, Gi1/0/22
                                                Gi1/0/23, Gi1/0/24, Gi1/0/25
                                                Gi1/0/26, Gi1/0/27, Gi1/0/28
                                                Gi1/0/29, Gi1/0/30, Gi1/0/31
                                                Gi1/0/32, Gi1/0/33, Gi1/0/34
                                                Gi1/0/35, Gi1/0/36, Gi1/0/37
                                                Gi1/0/38, Gi1/0/39, Gi1/0/40
                                                Gi1/0/41, Gi1/0/42, Gi1/0/43
                                                Gi1/0/44, Gi1/0/45, Gi1/0/46
                                                Gi1/0/47, Gi1/0/48
0
 
LVL 9

Accepted Solution

by:
gt2847c earned 500 total points
ID: 39781160
Method TFTP means that the interface was configured from TFTP
Method NVRAM means that the interface was configured from a saved config loaded on boot
Method manual means that you manually configured the interface.

I would assume that your switch attempted autoconfiguration on boot via TFTP.

On the up/down status, try this:
#config t
(config)#int vlan 2
(config-if)#no shut
(config-if)#end
#sh ip int brief

Open in new window


See if it comes up/up.
0
 

Author Comment

by:Evolutionzz
ID: 39781284
Did that already.
0

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