NAT sessions

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NAT sessions

L3 Networker

Hello All,

Is anyone know how to see or debug nat translations on PAN device, similar like "sh ip nat translation" on cisco devices?

Txs...

1 ACCEPTED SOLUTION

Accepted Solutions

L5 Sessionator

Hello Tician,

Here are some of the useful commands for NAT troubleshooting ( "nat-inside-2-outside" is the rule used for reference):

> show running nat-policy                    // Show currently deployed NAT policy

> show running nat-rule-cache               // Show all NAT rules of all versions in cache

> show running nat-rule-ippool rule nat-inside-2-outside       // NAT rule ippool usage

> debug dataplane nat sync-ippool rule nat-inside-2-outside          // To kill sessions pertaining to a particular NAT rule and re-sync the ippool

>> For a particular session, the NAT translation can be viewed as:

admin@88-PA-VM-300> show session all filter application ping

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

ID      Application    State   Type Flag  Src[Sport]/Zone/Proto (translated IP[Port])

Vsys                                      Dst[Dport]/Zone (translated IP[Port])

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

172307  ping           ACTIVE  FLOW  NS   192.168.88.206[512]/trust-L3/1  (10.66.24.88[512])

vsys1                                     4.2.2.2[6912]/untrust-L3  (4.2.2.2[6912])

admin@88-PA-VM-300> show session id 172307

Session          172307

        c2s flow:

                source:      192.168.88.206 [trust-L3]

                dst:         4.2.2.2

                proto:       1

                sport:       512             dport:      6912

                state:       INIT            type:       FLOW

                src user:    unknown

                dst user:    unknown

        s2c flow:

                source:      4.2.2.2 [untrust-L3]

                dst:         10.66.24.88

                proto:       1

                sport:       6912            dport:      512

                state:       INIT            type:       FLOW

                src user:    unknown

                dst user:    unknown

        start time                    : Mon Nov 25 08:50:18 2013

        timeout                       : 6 sec

        total byte count(c2s)         : 74

        total byte count(s2c)         : 74

        layer7 packet count(c2s)      : 1

        layer7 packet count(s2c)      : 1

        vsys                          : vsys1

        application                   : ping

        rule                          : trust-2-untrust

        session to be logged at end   : True

        session in session ager       : False

        session synced from HA peer   : False

       address/port translation      : source + destination

        nat-rule                      : nat-inside-2-outside(vsys1)

        layer7 processing             : enabled

        URL filtering enabled         : True

        URL category                  : any

        session via syn-cookies       : False

        session terminated on host    : False

        session traverses tunnel      : False

        captive portal session        : False

        ingress interface             : ethernet1/4

        egress interface              : ethernet1/3

        session QoS rule              : N/A (class 4)

Probably you might have done this, but you can also bookmark this document for future reference:

Understanding PAN-OS NAT

Let me know if that is what you were looking for!

Thanks and regards,

Kunal  Adak

View solution in original post

4 REPLIES 4

L5 Sessionator

Hello Tician,

Here are some of the useful commands for NAT troubleshooting ( "nat-inside-2-outside" is the rule used for reference):

> show running nat-policy                    // Show currently deployed NAT policy

> show running nat-rule-cache               // Show all NAT rules of all versions in cache

> show running nat-rule-ippool rule nat-inside-2-outside       // NAT rule ippool usage

> debug dataplane nat sync-ippool rule nat-inside-2-outside          // To kill sessions pertaining to a particular NAT rule and re-sync the ippool

>> For a particular session, the NAT translation can be viewed as:

admin@88-PA-VM-300> show session all filter application ping

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

ID      Application    State   Type Flag  Src[Sport]/Zone/Proto (translated IP[Port])

Vsys                                      Dst[Dport]/Zone (translated IP[Port])

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

172307  ping           ACTIVE  FLOW  NS   192.168.88.206[512]/trust-L3/1  (10.66.24.88[512])

vsys1                                     4.2.2.2[6912]/untrust-L3  (4.2.2.2[6912])

admin@88-PA-VM-300> show session id 172307

Session          172307

        c2s flow:

                source:      192.168.88.206 [trust-L3]

                dst:         4.2.2.2

                proto:       1

                sport:       512             dport:      6912

                state:       INIT            type:       FLOW

                src user:    unknown

                dst user:    unknown

        s2c flow:

                source:      4.2.2.2 [untrust-L3]

                dst:         10.66.24.88

                proto:       1

                sport:       6912            dport:      512

                state:       INIT            type:       FLOW

                src user:    unknown

                dst user:    unknown

        start time                    : Mon Nov 25 08:50:18 2013

        timeout                       : 6 sec

        total byte count(c2s)         : 74

        total byte count(s2c)         : 74

        layer7 packet count(c2s)      : 1

        layer7 packet count(s2c)      : 1

        vsys                          : vsys1

        application                   : ping

        rule                          : trust-2-untrust

        session to be logged at end   : True

        session in session ager       : False

        session synced from HA peer   : False

       address/port translation      : source + destination

        nat-rule                      : nat-inside-2-outside(vsys1)

        layer7 processing             : enabled

        URL filtering enabled         : True

        URL category                  : any

        session via syn-cookies       : False

        session terminated on host    : False

        session traverses tunnel      : False

        captive portal session        : False

        ingress interface             : ethernet1/4

        egress interface              : ethernet1/3

        session QoS rule              : N/A (class 4)

Probably you might have done this, but you can also bookmark this document for future reference:

Understanding PAN-OS NAT

Let me know if that is what you were looking for!

Thanks and regards,

Kunal  Adak

View solution in original post

L5 Sessionator

Hi,

Agree with Kadak but you can also enable "pre source NAT adress / Post NAT source adress" and "pre destination NAT adress / Post destination NAT adress" colum in monitor traffic page. And in this case, with no CLI, you have all info.

Hoipe help

Vincent

Hello Tician,

As Vince stated earlier this is how it looks in Monitor Logs if we can enable the columns what is needed to be viewed.

logs-.png

We can enable the required columns by moving the cursor to the right most section of any column header where we get a drop down to select columns.

Hope this helps. !

Hello Tician,

As Phonenix said, you can look there. But you also can look in CLI, or Monitor Session...

show session all filter (filters) you can see what policy NAT the session passed.

Best Regards

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