SRX

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  • 1.  SRX210 problem with connect ADSL modem via Cisco2950

    Posted 09-06-2011 01:25

     

    Hi all.

     

    I have a problem with my SRX210.  SRX fe-0/0/6 connect with trunk interface of cisco 2950. Cisco 2950 connect with ISP ADSL modem where interface ip add 62.118.2.193 (gateway). And I don't have connection with global network. If i connect notebook to ADSL modem connection up. I have same config (but with other subnet) on other interface and he work.  My English is bad, sorry:smileyhappy: 

     


    root@srx210> show configuration interfaces fe-0/0/6          

    on interfaces fe-0/0/vlan-tagging;unit 3

    {    vlan-id 3;    family inet{     

      address 62.118.2.230/26;    }

     

     

    }

    root@srx210> show configuration routing-options static

    {   

    route 0.0.0.0/0 next-hop 62.118.2.193;

     

     

    root@srx210> show interfaces fe-0/0/6.3    

      Logical interface fe-0/0/6.3 (Index 72) (SNMP ifIndex 122)     Flags: SNMP-Traps 0x0 VLAN-Tag [ 0x8100.3 ]  Encapsulation: ENET2    Input packets : 0     Output packets: 51    Security: Zone: Null    Protocol inet, MTU: 1500      Flags: None      Addresses, Flags: Is-Preferred Is-Primary        Destination: 62.118.2.192/26, Local: 62.118.2.230,        Broadcast: 62.118.2.255

     

    root@srx210> ping 62.118.2.193 source 62.118.2.230 PING 62.118.2.193 (62.118.2.193): 56 data bytes^C--- 62.118.2.193 ping statistics ---8 packets transmitted, 0 packets received, 100% packet loss

     

    root@srx210> show version 

    Hostname: srx210Model: srx210-hm

    JUNOS Software Release [10.0R3.10]



  • 2.  RE: SRX210 problem with connect ADSL modem via Cisco2950
    Best Answer

    Posted 09-06-2011 14:03
    1. check 2950, properly configured i.e. vlan-3 with tagged port connected to srx and access port connected to adsl modem ...

    2. check zone and policy configuration

    if problem remains, post configs of 2950 and srx

    regards


  • 3.  RE: SRX210 problem with connect ADSL modem via Cisco2950

    Posted 09-06-2011 23:32

    Problem will be in security zones. 



  • 4.  RE: SRX210 problem with connect ADSL modem via Cisco2950

    Posted 09-06-2011 16:51

    Hi,

     

    If you're Cisco is configured as a trunk port, you may need to configure your side as trunk, permit the appropriate vlan, and built-out the L3 interface.  Here is an example that should work.  This assumes you're running 802.1q.

     

    Trunk:
    srx1# show interfaces fe-0/0/6 
    unit 0 {
        family ethernet-switching {
            port-mode trunk;
            vlan {
                members v3;
            }
        }
    }
    
    VLAN:
    srx1# show vlans                                                        
    v3 {
        vlan-id 3;
        l3-interface vlan.3;
    }
    
    L3 Interface:
    srx1# show interfaces vlan 
    unit 3 {
        family inet {
            address 62.118.2.230/26;
        }
    }