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No Route to Core Switch

tamizhselvan
Level 1
Level 1

Dear Friends,

I am Very new to Cisco platform,

From Nexus 3048 switch to Core Switch , No Route Error Showing When i try to ping,

Can anyone Guide me how to add Route to Core Switch?

Thanks,

Tamizh.K                   

21 Replies 21

Dear Sahron,

I changed

ip default-gateway 192.168.50.8

Still Same issue.

please check the logs , change duplex and speed to same as well,

        ur postchannel configuration have some issue please share the

sh portchannel summary. sh ip int bri in bith devices


Nexus :

sh portchannel summary

NAGISNEXUS_2# show port-channel summary

Flags:  D - Down        P - Up in port-channel (members)

        I - Individual  H - Hot-standby (LACP only)

        s - Suspended   r - Module-removed

        S - Switched    R - Routed

        U - Up (port-channel)

        M - Not in use. Min-links not met

--------------------------------------------------------------------------------

Group Port-       Type     Protocol  Member Ports

      Channel

--------------------------------------------------------------------------------

10    Po10(SU)    Eth      LACP      Eth1/25(P)   Eth1/26(P)

11    Po11(SD)    Eth      LACP      Eth1/1(I)    Eth1/3(I)

12    Po12(SD)    Eth      LACP      Eth1/2(s)    Eth1/4(I)

101   Po101(SD)   Eth      LACP      Eth1/49(s)

1010  Po1010(SD)  Eth      NONE      --

sh ip int bri

NAGISNEXUS_2# sh ip int brief

IP Interface Status for VRF "default"(1)

Interface            IP Address      Interface Status

Vlan1                192.168.50.8    protocol-up/link-up/admin-up

loopback1            1.1.1.1         protocol-up/link-up/admin-up

Core :

sh portchannel summary

This command not working for Core Switch (3750)

sh ip int bri

NAGISCORE1#show ip int brief

Interface              IP-Address      OK? Method Status                Protocol

Vlan1                  192.168.50.11   YES NVRAM  up                    up

Vlan2                  unassigned      YES manual up                    up

FastEthernet0          unassigned      YES NVRAM  down                  down

GigabitEthernet1/0/1   unassigned      YES unset  up                    up

GigabitEthernet1/0/2   unassigned      YES unset  up                    up

GigabitEthernet1/0/3   unassigned      YES unset  up                    up

GigabitEthernet1/0/4   unassigned      YES unset  up                    up

GigabitEthernet1/0/5   unassigned      YES unset  down                  down

GigabitEthernet1/0/6   unassigned      YES unset  down                  down

GigabitEthernet1/0/7   unassigned      YES unset  down                  down

GigabitEthernet1/0/8   unassigned      YES unset  up                    up

GigabitEthernet1/0/9   unassigned      YES unset  down                  down

GigabitEthernet1/0/10  unassigned      YES unset  up                    up

GigabitEthernet1/0/11  unassigned      YES unset  up                    up

GigabitEthernet1/0/12  unassigned      YES unset  up                    up

GigabitEthernet1/1/1   unassigned      YES unset  down                  down

GigabitEthernet1/1/2   unassigned      YES unset  down                  down

GigabitEthernet1/1/3   unassigned      YES unset  down                  down

GigabitEthernet1/1/4   unassigned      YES unset  down                  down

Te1/1/1                unassigned      YES unset  down                  down

Te1/1/2                unassigned      YES unset  down                  down

Port-channel11         unassigned      YES unset  down                  down

Loopback1              2.2.2.2         YES manual up                    up

Loopback2              unassigned      YES manual administratively down down

HI:

try to set

sw mo tr,do not set switchport trunk allowed vlan1 ,255

3750 is direct connect 3048.so,the error may be in the vlan .

but i need more info.

what's ip ping?

could you tell me which source?witch destination?

thanks

qing2220871119
Level 1
Level 1

hi Tamizhselvan :

another question.

could you show ethernet-channel summary,give it to me.

Ethernet channel Summary.

NAGISCORE1#show etherchannel summary

Flags:  D - down        P - bundled in port-channel

        I - stand-alone s - suspended

        H - Hot-standby (LACP only)

        R - Layer3      S - Layer2

        U - in use      f - failed to allocate aggregator

        M - not in use, minimum links not met

        u - unsuitable for bundling

        w - waiting to be aggregated

        d - default port

Number of channel-groups in use: 1

Number of aggregators:           1

Group  Port-channel  Protocol    Ports

------+-------------+-----------+-----------------------------------------------

11     Po11(SD)        LACP      Gi1/0/8(I)  Gi1/0/9(D)

hi:

  The problem is etherchannel! it's must be "SU"

  to your 3750. set speed 1000

  you must ensure that both sides speed.

and the nexus switch.

when you use lacp with nexus 3K ,you must be configure

interface e1/48

no lldp transmit

no lldp receive

remenber #enable lacp

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